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Found 47 results

  1. I would like to suggest a nice and forgotten SPAA of 1945, the Flakpanzer IV Ostwind II Introduction the Ostwind II was a late SPAA designed in January 1945 and was mounting the Flakzwilling 44 37mm gun (actually a twin flak 43 side by side on a mount similar to the M42) the desing was simply a upgraded Ostwind with twin cannon. the Ostwind II was mounted on the PanzerKampwagen IV chassis with a Flakpanzer III turret (same as ostwind and Windelwind) in Junuary 1945 a single prototype was built at Teplitz or Duisburg (depending to the source) by Ostbau and soon after, 100 Ostwind II was ordered. 90 Flakpanzer III turret was ordered related to the production of the Ostwind II. the Russian took the Ostbau faculties soon after the order and before any other Ostwind II could be built and the prototype was lost with it (most likely destroy). The Ostwind II was considered as obsolete as soon it was designed. the Flakpaner was all to be replaced by the Flakpanzer IV Kugelblitz in early 1945. the Ostwind II was simply ordered out of urgent need to have the SPAA against the Allied air superiority. the design of the Ostwind II was simple and fast and could easily be used to upgrade the Ostwind into Ostwind II. the production of the OstWind had been carried on in Selicia's Ostbau faculty and was interrupted to be moved to Teplitz and Duisburg and was about to start again when the order of the Ostwind II took place (Probably to replace the Ostwind) twin flak 43 as used on ship Specifications Weight 26 tonnes Length 5.92 m (19 ft 5 in) Width 2.95 m (9 ft 8 in) Height 3 m (9 ft 10 in) Crew 5 (Commander, Gunner, Loader, Driver, Radio Operator) Armor 10–80 mm Main armament 2x 3.7 cm FlaK 44 L/89 1,000 rounds Secondary armament 1× 7.92 mm Maschinengewehr 34 1,350 rounds Engine 12-cylinder Maybach HL 120 TRM 300 PS (296 hp, 221 kW gasoline) Power/weight 12 PS/tonne Suspension leaf spring Operational range 200 km (120 mi) Speed 36 km/h (23 mph) Source
  2. Summary: This vehicle is basically a Chieftain Mk3 with a 1200HP engine. It has other modifications that will no affect the gameplay only the graphic model. It doesn't have composite armor, since this armor was fitted as an overhaul in the late 80s in Chieftains. History of the vehicle: The FV4030 started as an export version of the Chieftain Mk5 for Iran. It started with the FV4030/1 called "Shir 1" that have some modifications to improve mobility. But they were not pleased with the performance of the vehicle and they order a modification, the FV4030/2 called "Shir 2". They required to fit a V12 engine, designed for the Challenger 1, delivering 1200 HP. Development started in 1974 and by 1979 some vehicles (Shir 1) were delivered to Iran. After the Islamic Revolution of 1979 all the defence contracts in Iran were cancelled including this vehicle. At last minute the Jordanian goverment appeard in scene and sign a contract for the FV4030/2. This tank was called "Khalid" and with minor modifications, to fit the Jordanian Army needs, deliveries started in 1981. Further development of this vehicle (called FV4030/3) led to the creation of the Challenger 1 MBT. (from reference 1, page 18) (from reference 1, page 44) (from reference 2, page 70) (from reference 2, page 155) Implementation in the game: The vehicle was operated by Jordan, but the prototypes were built and tested by Britain. So this vehicle will appear at the end of the British medium tank branch at 8.3 BR (for Realistic Battles) as "FV4030/2". Since the game has already several prototypes implemented in each country I don't see anything wrong with adding it. Also this vehicle is the father of the Challenger 1, since further development of this tank ended in the creation of it. I'm not an active Arcade Battles player, so I let the discussion on the BR for Arcade Battles to the players who frequent that mode. If you never played the Chieftain in RB, play a couple of matches and you will understand the reason of this post. Ingame performance: This vehicle will perform equally to the current Chieftain Mk3, but it will be faster, much faster. Actually with around 22HP/ton it will be the Mk3's rallycar cousin, for that reason the 8.3 BR (for Realistic Battles). This tank will fire APDS rounds, the same rounds that the Mk3 has. Technical data: Engine: Perkins Condor CV12 TCA 26l diesel: 1200 HP (895 kW) @ 2300 rpm (reference 3) 420 kgf m (4126 Nm) @ 1700 rpm (still no reliable reference for this) (From reference 3 page 66) Transmission: TN 37 fully automatic transmission (is the transmission of the Challenger 1 MBT) 4 speeds forward (56 km/h max speed) 3 speeds backwards Gun and armor: Same as Chieftain Mk3. APFSDS were introduced in mid-1980s. (from reference 4) Pictures for graphic model: (from reference 1 page 44) (from reference 2 page 155) (from reference 5) (from reference 8) Since Russia and Japan have now 8.3 BR at rank 5, this looks like a great addition to complete the Brithish tech tree along with the Chieftain Mk5 at 8.0 RB suggested by "Vitasalato" in: Many thanks to "Vitasalato" and "Ghost_Rider12" for correcting my mistake in his post, otherwise I would not have checked the info and found this tank Also many tanks to "Vitasalato" for providing the pictures and text from the Rob Griffin's book References: (1) Chieftain Main Battle Tank 1965–2003 - Simon Dunstan (2) Chieftain - Rob Griffin (3) RESEARCH NEEDED FOR MORE COMPACT INTERMITTENT COMBUSTION PROPULSION SYSTEMS FOR ARMY COMBAT VEHICLES; INTERIM REPORT TFLRF No. 296; TARDEC No. TR13669; Approved for public release distribution unlimited November 1995. (reference only for the engine) (4) Tanks: 100 years of evolution - Richard Ogorkiewicz (5) (6) (reference only for the transmission) (7) (manual for the engine if necesary) (8) Edited 15/12/2016. Added reference (number 3) for the engine power value. Added torque value, but not reliable reference found yet. From the feedback recieved in the comments, made a clarification on the BR that is for Realistic Battles. Added the spoilers feature to collapse the pictures and make the post cleaner. Edited 17/12/2016. Added new references (Simon Dunstan's book and a link to a description of the transmission). Removed unnecessary references from the web. Added new picture and text from the book. The new reference report that 3 prototypes were finished in 1977, so the year was added to the title. Edited 22/12/2016. Added pictures and text from reference 2. Edited 24/01/2017. Added new reference (Tanks: 100 years of evolution - Richard Ogorkiewicz) which states that APFSDS were introduced in mid-1980s. Also added new pictures from another website (reference 8).
  3. Greetings everyone ! At the moment the Germans are in need of some post-war vehicles in their line up to compete with other nations in the game. Today I would like to suggest some of the early variants of the Leopard tank series. Info: Early development of the Leopard series dates back in the mid-1950s when West Germany was allowed itself to rebuild (with NATO’s approval) its military defensive force in case of a Soviet threat. The main battle tank was part of this plan, and at the time Franco-German relationships were at the highest. So a project of common MBT was envisioned since both countries had similar specifications of what tank they wanted. The project was known later as the “Europanzer” and would have equipped the Germans to replace supplied US-supplied tanks like the M47 and M48. The MBT project, also known as the Standard-Panzer project in Germany, started in November 1956, The specifications require a 30 metric tons weight, a P/W ratio of 30 hp/ton, armor capable of resisting rapid-fire 20 mm (0.79 in) hits, and to be equipped with either a 90mm Rheinmetall or the new British L7 105 mm (4.13 in) rifled gun. Later in the production of the Leopard series, it was decided to use the L7 105mm gun as the tank primary weapon. Three groups worked on the project: Team A (Porsche) Team B (Rheinstahl-Henschel) Team C (Borgward). By 1960, Six of the series I prototypes were tested and the German military command ordered the production of the prototype II series of the tanks. Two groups: team A (Porsche) and team B(Rheinstahl-Henschel) completed a total of 32 prototype II series of the Leopard tanks by 1961. The Porsche Prototype II was eventually selected as the winner of the contest in 1963 and soon later production of the modern Leopard 1 went into military service into the German armed forces. Now that you have the history of the production of these tanks, here are the vehicles that I suggest would be useful on the German tank tree. 1. Leopard Prototype I A (Porsche) The prototype I A was armed with the 90mm Rheinmetall BK90 gun. 2. Leopard Prototype I B (Rheinstahl-Henschel) The prototype I B was armed with the 90mm Rheinmetall BK90 gun. 3. Leopard Prototype II A (Porsche) Prototype II A had a slight modification to its hull and armor upgrades. It maintains its L7 105mm gun. 4. Leopard Prototype II B (Henschel / Rheinmetall) Prototype II B has an upgraded suspension and hull design. The vehicle also upgraded from the Rheinmetall 90mm gun to the L7 105mm gun. -Overall, the suggested vehicles I have chosen total up to four tanks. -Two Prototype A series and Two Prototype B series. -BR for these tanks would be at around 7.0-7.3 (Note: BR for vehicles are decided by the developers themselves). Here is a data chart of the engine, suspension, main gun, and statistics of the Leopard Prototype series: Sources: [1] [2] [3]ür_militärische_Rad-_und_Kettenfahrzeuge_der_MTU_Friedrichshafen [4] KPz Leopard 1: 1956-2003 (Rolf Holmes) [5] [6] Leopard 1 MBT in German Army Service - Early Years [7] Leopard 1 Main Battle Tank 1965–95 Here is a graph with a timeline of the Leopard prototype versions: More Photos of the Leopard prototype series: Leopard Prototype I A: Leopard Prototype I B: Leopard Prototype II A Leopard Prototype II B: So why have these tanks in-game ? By adding these post-war vehicles I think It would put Germany on par with the other nations in the game and would balance out the gameplay of the Matchmaking. Sidenote: Some of the information are from various books and online sites. If there is any misinformation I posted here, please fell free to put them in the comments below. Thank you ! Main Sources: Leopard 1 MBT in German Army Service - Early Years Frank Lobitz (Book) kampfpanzer Leopard 1 mit neuen dimensionen im panzerbau (translation: Battle tank Leopard 1 with new dimensions in panzerbau) Von Michael Scheibert (Book) Tank Encyclopedia: (Web) Other Sources:
  4. M8 AGS "Buford"

     Today I will talk about the last Light tank to be built by the United States the M8 AGS also called the M8 Buford. M8 uses the XM-35 which is a variant of the L7 105mm made to reduce recoil. It fires every 5 seconds with a clip for its Auto loader that is 21 shell and 9 shell in the compartment of the tank and it has 3 levels of armor. Level 1 protects against shrapnel Level 2 protects against Small armors fire and Small auto cannons Level 3 Protects against up to 30mm auto cannons. Not to mention it is a pure aluminum tank just like the M551 and has similar mobility to it with the Level 1 armor package. The level 3 Armor Package weighs it down significantly but it still maintains more than 20 hp/t it would fit the top tier meta quite nicely given its mobility and ability to fire on the move thanks to its stabilization system and also is quite easy to kill given its aluminum construction and 3 crew. M8 has the ability to use all NATO 105mm L7/M68 ammo and would likely get the same rounds as the M60A1 Rise (Passive) if implemented. The Stingray Light Tank is very similar to the M8 AGS (Buford) but built by a different company. It was also the M8 Buford's competitor. It is 23mm of aluminum frontally for the Armor Package 1. Appliqué Armor adds an additional 23mm of aluminum armor to the tank for the Level 2 Armor Package. And the Level 3 Package has ERA plate that are similar to M60A1 Rise(Passive) and also has the Appliqué Armor from the Level 2 Armor Package. "The addition of advanced ceramics, as well as composite-based lightweight armor, that already provides effective protection against small arms up to 14.5mm, is expected to defeat medium caliber guns ammunition (such as 35mm HE/AP (High Explosive / Anti-Tank) cannon projectiles) by 2006". The ERA Package of this tank for the Level 3 Armor Package is the same from the M60A1 RISE (PASSIVE) Primary Source
  5. A late production M6A2(90) alongside a Tiger H1 during 5th War Loan Drive Parade in New York, 9 June 1944 M6A2 was a heavy tank developed in 1940. The 2nd iteration of the M6 Heavy Tank series, it was formerly designated as experimental T1E1 heavy tank, a sub project of the T1 heavy tank alongside the M6 (T1E2) and M6A1 (T1E3) to find a suitable transmission for the high powered Wright G-200 engine by utilizing gas-electric drive train produced by General Electric. The initial specification of pilot T1E1 was 3" front armor and 3" M7 L/52 gun. It used the same cast hull of the M6, with apparent difference compared to M6A1 by its curved side armor instead of flat. All M6, including the M6A2, used Wright G-200 V9 radial engine developing 960 HP at 2300 RPM. Having a recorded top speed of 43 km/h, with the M6A2, using electric transmission, capable of achieving full reverse speed at -43 km/h. Initial specification for the T1 was made from May to October 1940, with following detail: Development continued until the T1s (T1E1, T1E2, T1E3) were standardized as M6s (M6A2, M6, M6A1), and the M6A2 was classified as a limited procurement type to permit the manufacture of 115 tanks for extended service tests. To evaluate the tank for possible future service as heavy tank, modernization was issued to the M6s which had outdated armor specification. The first upgrade was in February 1942: Since the Services of Supply had directed in June that the procurement of heavy tanks be increased from 115 to 230 with the additional tanks allocated to International Aid, the end result was that all of the T1E1 would be in use by US Army, while the M6 and M6A1 would be for Lend-Lease program. Confirmed in September report that the heavy tank production would consist of 50 M6s and 65 M6A1s for Britain, while 115 M6A2s for America. Shortly beforehand, Royal Armored Corps had sent a specification to meet their export requirement around the summer: In November 1942, an M6 production tank was tested at Milford Proving Ground with the following measurements: US reviewed all previous armor specifications, and finalized a new armor setup for the late production M6s in very late 1942 following the measurement at Milford: (The armor upgrade weighed 9,500 lbs (4.3 tons)) Unfortunately, the schedule was not met and the opinion was shifting against the use of heavy tank. Recommending the cancellation of the heavy tank program, General Devers reflected the opinion of the Armored Force that it was preferable to use the available shipping for two 30-ton medium tanks rather than one 60-ton heavy tank. The Services of Supply approved the termination of heavy tank production, and capped the total vehicles at 40 units, with the latest production starting in December 1942 using the final armor installation weighing up to 4.3 tons. The 3" M7 gun was considered inadequate for a heavy tank by the Armored Force, deemed inferior to the German Tiger I in term of firepower (its 8.8 cm KwK 36). This criticism had been anticipated by Ordnance Department and a test was conducted to install a 90 mm T7 in the pilot T1E1 at Aberdeen Proving Ground in early 1943. The firing tests were satisfactory with the tank providing a stable gun platform. Although the report on the 90 mm gun installation was issued, the heavy tank had been rejected for use by the Armored Force and further work on the project was cancelled... Except it was not. After the T1E1(90) was cancelled, it resurfaced again in 1944 where a late production M6A2 was spotted carrying 90 mm gun in a fully active tank. The M6A2(90) was demonstrated during 5th War Loan Drive Parade, 9 June 1944. It was probably rearmed during the maintenance period by a heavy tank company stationed at Fort Knox in late 1943 - early 1944. Reports from the crew said the M6A2s were the easiest tank to maintenance and gave the least problems compared to M6 and M6A1. 3" sponson ammo rack was not enough to contain 90 mm shells, so a new arrangement for 90 mm armed M6 was required by storing the rack on the floor hull in similar arrangement like the M26 Pershing. Up to 48x 90 mm ammunition can be stored, + 2x in the turret as a ready rack. This new arrangement was also accomplished on the M6E1 heavy tank, as it was to have the requirement to mount T26 turret and 90 mm gun. Some advantages over M6A1: 90 mm gun Easier mobility control Full speed reverse at 43 km/h I won't use Hunnicutt tank datasheet, as it unexpectedly has a lot of mistakes, while also being a secondary source. There are enough primary sources to cover all the mistakes done in the datasheet. Specification: Manufacturer: Baldwin Locomotive Co. Combat Weight: 61.82 tons 57.37 tons (126,500 lbs) + armor upgrade weighing 4.3 tons (9,500 lbs) = 61.67 tons (61.67 tons) + weight of 3" M7 (0.903 tons) conversion to 90 mm M3 (1.03 tons) adds 127 kg increased weight = 61.79 tons (61.79 tons) + weight of 75x 3" shells (75x 7 kg = 525 kg) conversion to 50x 90 mm shells (50x 11 kg = 550 kg) adds 25 kg increased weight = 61.82 tons Crew: 6 men (commander, driver, assistant driver, gunner, loader, loader) Engine: Wright G-200 Model 795C9GC1, V9 radial engine Engine power (net): 700 hp at 1950 rpm Engine power (gross): 960 hp at 2300 rpm Power-to-weight: 15.52 hp/ton Transmission: General Electric transmission, 2 speed forward, 1 reverse Steering: Controlled differential Suspension: HVSS Turning diameter: Pivot Top speed: 43 km/h Reverse speed: -43 km/h Turret traverse: 20°/s Vertical guidance: +30 / -10° Hull armor: Front Upper: 101.6 mm (30°) Middle: 127 mm (60°) Lower: 127 mm (0-45°) Sides Upper: 76.2 mm (0°) Lower: 76.2 mm (0°) Skirt: 25.4 mm (0°) Rear Upper: 50.8 mm (25°) Lower: 50.8 mm (0-45°) Top Front: 44.45 mm Hatch: 38.1 mm All: 25.4 mm Floor Front: 25.4 mm Rear: 12.7 mm Turret armor: Mantlet 50.8 mm (integrated mantlet of 3" M7) Front 101.6 mm (external mantlet of M6 turret) - 250 mm Sides 101.6 mm Rear 101.6 mm Top 34.925 - 41.275 mm Main gun 90 mm M3 L/53 Stowage: Approx. 50 rounds (6x8 main rack in floor + 2 ready rounds) Muzzle velocity: 808 m/s Sustained rate of fire: 8 RPM (7.5 seconds) Ammunition: M77 AP M82 APCBC M304 APCR M71 HE Secondary gun 37 mm M6 L/53 Stowage: 202 rounds Muzzle velocity: 884 m/s Sustained rate of fire: 30 RPM (2 seconds) Ammunition: M51B1 APC M74B1 AP M63 HE US Ground Forces tech tree doesn't have many true heavy tanks in the game at mid tier, with some like M4A3E2(76) Sherman Jumbo being more like a heavy medium than a true heavy tank packed with firepower. Having a late production series M6A2 with reinforced armor thickness would be a better fire support to the US heavy tank unit to a significant degree of firepower and protection. Another M6A2 in different event. Later production models had minor additions such as lifting rings for the machine gun mounts Primary Source: Royal Army Corps - Technical Situation Report No. 2, 1942 TM 9-721 - Heavy Tanks M6 and M6A1, 1943 Record of Army Ordnance Research and Development - Heavy Tanks and Assault Tanks, 1945 U.S. Army Ordnance School - Tank Data, 1958 Secondary Sources: Hunnicutt: Firepower - A History of the American Heavy Tank Fifth War Loan Drive Parade Video Record
  6. Type 87 ARV

    Type-87 ARV Testing for Type-87 started in 1985 and Type-87 would eventually be developed by Komatsu based on the previous Type-82. The Type 87 features a new redesigned hull of all-welded steel construction, but utilises the same automotive components of the Type 82 6x6 command and communications vehicle. The rectangular shaped body of the Type 87 is sloped in the front. The vehicle accommodates five crew members including the driver, assistant driver / radio operator, commander, gunner and observer. The two-man turret is located in the centre of the hull, slightly forward of the second axle. A stowage box is mounted on the rear of the turret. The entry door is located in the centre of the second and third axles on the left side of the hull. It is provided with a single observation block. The right side of the body has a similar door that also opens forwards. The vehicle is also fitted with power steering and passive night vision device as the standard equipment. Armament The main turret houses the swiss-origin Oerlikon Contraves 25mm KBA cannon produced under licence by Japan Steel Works. It can fire a wide range of NATO rounds like the HEI-T, SAPHEI-T, TP-T, APDS-T, TPDS-T, APFSDS-T and FADPS. As a close-range multipurpose weapon, this gun is rated at 600 rpm, and the fire could be also guided by tracers fired by the 7.62mm machine gun mounted coaxially to the right. Supplies includes 140 rounds of 25mm and 400 rounds of 7.62mm. APFSDS-T: Armour Piercing, Fin Stabilized, Discarding Sabot, Tracer (APFSDS-T) C137 The 25 x 137 mm Armour Piercing, Fin-Stabilized, Discarding Sabot, Tracer (APFSDS-T) C137 cartridge is designed for use in the M242 Bushmaster I chain gun and Oerlikon-Contraves KBA machinegun. Using components supplied by Rheinemetall (formally: Oerlikon-Contraves Pyrotec AG), the C137 cartridge is assembled under licence by GD-OTS Canada in accordance with Canadian requirements. The projectile includes a tungsten-alloy long-rod penetrator which is carried in a plastic sabot. It is stabilized with aluminum fins and the rear of the fin unit contains a tracer unit. Maximum Effective Range: 2,000 m. Penetration: 31 mm of armour plate at 60° obliquity at 2,000 m. Trace Visibility: 2,000 m. HEI-T: High Explosive, Incendiary, Tracer (HEI-T) C142 The 25 mm x 137 mm High Explosive, Incendiary, Tracer (HEI-T) C142 cartridge is designed for use in the M242 Bushmaster I chain gun and Oerlikon-Contraves KBA machinegun. Using components supplied by a US partner, the C142 cartridge is assembled under licence by GD-OTS Canada in accordance with Canadian requirements. Its steel thin-walled projectile is loaded with 30 g of HE and incendiary composition with red tracer composition at the rear. The C142 cartridge has a PDM 758 fuze with a self-destruct mechanism that activates between 6 and 19 s after firing should there be no target impact. Muzzle Velocity: 1,100 m/s Maximum Effective Range: 2,000 m Trace Visibility: Out to 2,000 m FAPDS-T: Armour Piercing, Frangible, Tracer, Discarding Sabot (FAPDS-T) C138 The 25 x 137 mm Frangible, Fin-Stabilized, Discarding Sabot, Tracer (FAPDS-T) C138 cartridge is designed for use in the M242 Bushmaster I chain gun and Oerlikon-Contraves KBA machinegun. Using components supplied by Rheinemetall (formally: Oerlikon-Contraves Pyrotec AG), the C138 cartridge is assembled under licence by GD-OTS Canada in accordance with Canadian requirements. The projectile is made up of a penetrator of frangible metal carried in a plastic sabot. After penetrating the target, the projectile disintegrates into a cloud of fragments to cause widespread damage. Muzzle Velocity: 1,310 m/s Penetration: 25mm of armour plate at 60° obliquity at 2,000 m Trace Visibility: Out to 2,000 m TP-T: Target Practice, Tracer (TP-T) C152 The 25 x 137 mm Target Practice, Tracer (TP-T) cartridge is designed for use in the M242 Bushmaster I chain gun and Oerlikon-Contraves KBA machinegun. It matches ballistically the HEI-T C142 cartridge. Using components supplied by a US partner, the TP-T cartridge is assembled under licence by GD-OTS Canada in accordance with Canadian requirements. Its inert projectile is made of a hollow steel shell with alloy nose cap and tracer composition. Muzzle Velocity: 1,100 m/s. Maximum Effective Range: 2,000 m. Trace Visibility: Out to 2,000 m. Mobility The Komatsu Type 87 is given a Isuzu 10PBI 10-cylinder, water-cooled diesel, coupled to manual transmission with six forward and one reverse speed. It is rated for 305hp at 2,700rpm and its compartment is located at the rear-right of the hull (the observer being seated on the left). For 10 tonnes, it allows a top speed on flat of 100 kph. Ground clearance is about 45cm, but the vehicle is not amphibious and can only ford about 1 meter of water without preparation. However there is a central tyre inflation system to cross the most sloppy grounds. The Type 87 has a range of 500 km and can climb a 60% gradient, 30% side slope, 60 cm vertical step and 1.50 m trench. Ammunition performance 25 mm armour steel, 60° (NATO) angle of impact, 1000m range, corresponding to the armour of a well armoured infantry fighting vehicle. Dimensions (l-w-h): 5.99 x 2.48 x 2.80 m (19’6” x 8’13” x 9’2”) Total weight, battle ready: 10-15 Tonnes Crew:5 (driver, radio operator, gunner, observer and commander) Propulsion: Isuzu 10PBI 10-cyl wc diesel 305 hp Suspensions: Coil springs Top Speed: 100 km/h (65 mph) Operational range: 500 km (310 miles) Armament: 25 mm Oerlikon Contraves Secondary armament: 7.92 mm Armour: 8mm Rolled homogeneous armour source:
  7. Currently in game the Chieftain has the mount on it's hatch for an mg but it doesn't have the mg, I'm suggesting that it be added, if you read this there is a chapter on the commanders 7.62 mg, currently the Chieftain has only co axial machine guns and they haven't got a very high arc of fire but I think the commanders roof mg would be a much needed addition as it's higher arc would allow the Chieftain to engage aircraft sooner, given the Chieftains slower speed it currently is a prime target for aircraft, by the time aircraft get low enough for the Chieftains co axial machine gun to be able to hit them they are all ready dropping their bombs or are within rocket firing distance, with the 7.62mm mg added on the roof it would have the ability to defend itself with the much higher arc being able to hit aircraft earlier in their attack run, the mg that was mounted was an L37 7.62 x 51mm general purpose machine gun a version of the FN MAG used by the British for mounting on armoured fighting vehicles roofs, their is information here than can be ordered and the first link I provided goes into detail on the commanders mounting of this mg, I can't find any pictures of the L37 up close but I have added a picture of the base weapon itself
  8. Sd.Kfz 234/1

    Introduction: Armoured wheeled vehicles were developed early in Germany, since they were not subject to the restrictions of the Treaty of Versailles. The Sd.Kfz 234 belonged to the ARK series (type designation of the chassis) and was the successor to the earlier Sd.Kfz. 231/232/233 (8-Rad), which belonged to the GS series. The Sd.Kfz 234/1 served as a support vehicle for the reconnaissance vehicles. It had an open-topped turret, in which a 2 cm KwK 38 L/55 gun was installed. The 20 mm autocannon on the turret was based off the 20 mm FlaK 30 then in use with a firing rate of 600 rpm from a 10-round magazine. This gun was intended for use against "soft" targets. Around 200 Sd.Kfz 234/1 were built. Development: Like the other vehicles in the 8-Rad series, the Sd.Kfz 234/1 was equipped with a bidirectional conduction, and with a more powerful engine than the previous version. The address at 8 wheels and low pressure exerted by the vehicle on the ground made it very popular with their crews. As mentioned in the subject of Sd.Kfz 250, the need for a heavy reconnaissance vehicle for the Eastern Front led to this series of vehicles (Schwerer Panzerspähwagen). After the French campaign the SdKfz 232 began to show signs of having been beaten in their duties so it was necessary to the creation of a heavy vehicle for reconnaissance and, also, with more firepower. The company responsible for this development, Bussing-NAG, was soon put to work. In terms of its basic features we can highlight the Sd.Kfz 234 top speed of 85 Km/h with a fuel capacity of 360 liters of diesel. It had a range of 900 km road and 600 km cross country. It had crew of 4: Commander, Gunner, Loader and Driver. Details: Type Armoured car Place of origin Nazi Germany Production history Produced 1943–1945 No. built 478 (all types) Specifications Weight 10,500 kg (23,148 lb) Length 6.02 m (19 ft 9 in) Width 2.36 m (7 ft 9 in) Height 2.10 m (6 ft 10 in) Crew 4 Armor 9-30 mm (.35-1.18 in) Main armament •(234/1) 1x20 mm (0.79 in) autocannon Secondary armament 1x7.92 mm (0.312 in) machinegun Engine 14,825 cc (905 in3) Tatra 103[2] V12diesel 157 kW (210 hp) Suspension wheeled Operational range 1,000 km (625 mi) Speed 90 km/h (55 mph) Armament: The 2 cm KwK 38 L/55 (2 cm Kampfwagenkanone 38 L/55) was a German 2 cm cannon used primarily as the main armament of the German SdKfz.121 Panzerkampfwagen II Light Tank. It was a series of anti-aircraft auto cannons developed by Nazi Germany and used as their primary light anti-aircraft gun in the course of World War II. It fired a 20x138 mmB round and was considered one of the more powerful 20 mm ammunition at the time. The auto cannon underwent developmental improvement from the initial Flak 30, to the Flak 38, then the Flakvierling 38. Ammunition: 1 x 2 cm KwK 38 (300 rounds) 1 x 7.92 mm MG 42 machine gun (1,800 rounds) Main armament 1 x 20 mm KwK38 Ammunition Capacity: 300 Shells (10 round magazines) Gun Depression: -4° Gun Elevation: 70° Rate of Fire: 450 Shots per Minute Turret Rotation Speed: 8.9°/s (Stock), _._°/s (Upgraded) The gun is generally accurate and can be fired continuously per magazine. Over long distance, the gun is ineffective due to loss of velocity. The HVAP-T at 10m has a penetration value of 55 mm, at longer ranges such as 500 m the value drops to 22 mm of penetration which is only effective against open vehicles. The Aufklärungspanzer 38 t also has a coaxial 7.62 MG 42 (ranging) machine gun. Ammunition Penetration in mm @ 90° Type of warhead Velocity in m/s Projectile Mass in kg Fuse delay in m: Fuse sensitivity in mm: Normalization At 30° from horizontal: Ricochet: 10m 100m 500m 1000m 1500m 2000m 0% 50% 100% PzGr 46 45 33 23 15 11 API-T 780 0.15 0.8 5 -1° 43° 30° 15° PzGr 40 64 63 26 8 3 1 HVAP-T 1050 0.1 N/A N/A +1.5° 24° 22° 18° Sprgr. 4 4 4 4 4 4 HEFI-T 900 0.12 0.3 0.1 +0° 28° 21° 17° Belts: Belts Shell composition Combat usage Default API-T, HEFI-T (Armor Piercing Incendiary tracer – High Explosive Fragmentation Incendiary tracer) shell 50% of this belt are useless against tanks or planes. However against other SPAA this belt can reliably take out crew, armament, ammo and engine. Having one belt in reserve does not hurt. Sprgr. HEFI-T (High Explosive Fragmentation Incendiary tracer) shell Versus planes and open combat compartment vehicles. Aircraft will usually take three to six hits. Heavy armoured attackers and bombers may require more though. PzGr API-T (Armor Piercing Incendiary tracer) shell Intermediate usage until the better PzGr 40 can be used. Decent enough versus light tanks and other vehicles from the rear. Due the lack of HE filler underwhelming damage, yet still better than the PzGr 40. PzGr HVAP-T (High Velocity Armor Piercing tracer) shell Best penetrating shell of this vehicle. However, the damage effects are very poor. In close combat snipe for modules and crewmember for increased survival rate. Nothing is more annoying than emptying a clip and then to get killed in the reload because the enemy gunner survived. Against angled armoured it is not very effective like any other ACPR shell, this is offset by the very high base penetration though.ärungspanzer_38(t) Vehicles that also carry this gun: Panzer II Ausf. C Panzer II Ausf. F Panzer II DAK Aufklärungspanzer 38(t) Flakpanzer I Ausf. A Flakpanzer 38(t) "Gepard" Conclusion: In my opinion, this vehicle could be a nice addition to this game, it will be a Low-Tier (Maybe even Reserve) Light Tank, which will work similarly to the already in-game Panzer II's, Aufklärungspanzer 38(t) and early German SPAA's. Balancing this vehicle won't be a problem because it combines aspects of vehicles already on the game, making it perfect for ambushes and flanking the enemy as well as completing the Sd.Kfz 234 Series in War Thunder! Gallery: Blueprints: Extra: I couldn't find as much information as the Sd.Kfz 234/3 for this vehicle,so if it has some inconsistencies or some data is wrong, please tell me in the comments so i can fix it as soon as possible! Also, i wrote this suggestion based on my Sd.Kfz 234/3 Thread, that's why this post looks similar and has the same structure, don't blame me please Sources:ärungspanzer_38(t)
  9. Leopard 2 Prototype Leopard 2 Prototype PT-16 chassis with PT-14 tower with automatic charger On 1 August 1963, two years before the launch of the Leopard 1, the US and the Federal Republic of Germany concluded a government agreement to co-operate on the development of a new tank, which was to replace the combat armor M48 from 1970 onwards. The project was named "MBT / KPz 70". After six years of development, however, it was clear that the project would not have a successful conclusion for several reasons. This realization led to the termination of the development work. In Germany, the beginning of the national program began in the course of the study "Keiler" with the conceptual considerations for its own tank concept. In 1971, the first two test organizers were available. Experiences gained with the Kampfpanzer 70 were integrated into the project, so that a first prototype left the production halls under the name Leopard 2 K in 1972 In the following three years, Krauss-Maffei built further prototypes: with 105 mm and 120 mm smoothbore guns, with a total of 16 different chassis and no fewer than 17 different towers. The other developments were among others. under the influence of the experiences of the Yom Kippur War, the NATO Agreement on Standardization of Combatants, and the comparative testing with the American prototype XM-1. In October 1977, the public finally received a series-ready result and Krauss-Maffei was commissioned as a general contractor to build the new combat armor. In October 1979, the first series models of the KPz Leopard 2 were handed over to the German Panzer Group (PzLehrBrig). The prototype Leopard 2 tower (module T-14) was built at the same time as the Leopard 2-AV PT 19 / T-19-AV Prototype. while the PT 19 / T-19-AV was used in the USA for comparative testing of leopard 2 AV and XM-1, Leopard 2 with T-14 Mod was available for testing only in Germany for testing purposes. Equipped with the 120mm direct channel cannon, stabilized primary target devices and an existing AEG fire control system, important technical data have been developed. The main component of the fire control system, however, was a completely new passive remote control (principle of correlation removal). the two fliders show the T-14 Mod. with the tub PT 09 in the technician for the Schilben in June of 1976. Notable features of tower 14 mod. are: the protection of the missing armor to the left and to the right of the blind. The view head of the correlation removal device with the three windows in the left view around the tower. The two external views form a small base for the correlation section. The average view was for the night. There is no more jogging system on either side of the tour. the front of the crosswindmebrad in the tower. Test field. Here you can see Leopard 2 in germany Here you can see Leopard 2 automatic loader system, very reminiscent of AMX Leclerc charging system Photos of the prototype of leopard 2 at the museum WehrTechnische StudienSammlung source:
  10.         Ammunition: 22 rounds. Crew: 4 men.  268 units was produced. I think it would be perfect tank destroyer with BR 2.3
  11. 2k22 Tunguska ; the official successor to the ZSU23-4 Shilka 2k22 Tunguska: General Specifications Weight about 35,000 kg (77,000 lb) Length about 7.90 m (25 ft 11 in) Width about 3.25 m (10 ft 8 in) Height about 4 m (13 ft 1 in) or about 3.35 m (10 ft) (radar stowed) Crew 4 (vehicle commander, driver, gunner, radar operator) Armour : protects the vehicle from 7.62 mm small arms fire and shell splinters Main armament: 8 × 9M311 Missiles Secondary armament: 2 × 30 mm 2А38M , (1,904 rounds carried) Gun elevation/ Depression : + 80 degrees / - 6 degrees Engine : V-46-6-MS, V-12 with 780 HP Transmission: Hydromechanical Suspension: Hydropneumatics Ground clearance: 7–57 cm Operational range: 500 km (310 mi) Speed: 65 km/h maximum (on roads) Early warning radar : Detection range 20 Km, Tracking range 11 KM. 3m911 Missile Specifications Weight 57 kg Length: 2560 mm Warhead: Continuous-rod and steel cubes Warhead weight: 9 kg Detonation Mechanism: Laser fuse Propellant: Solid-fuel rocket Operational range: 8 KM Flight ceiling: 3,500 metres (11,500 ft) Boost time: stages: boost to 900 m/s, then sustained 600 m/s stage to range Speed 900 m/s maximum Guidance system: Radio Command guidance , SACLOS based Steering system: rocket motor with four steerable control surfaces History: The Missile system: So to Sum up In essense this IS a valid additon for a Tier 6 ground forces to suceed the ZSU23-4 Shilka, especially if Tier 6 Air forces come around. The ZSU's missile system would not break gameplay because Radar is used as for detecting targets as well as provding ranging for the Gunner Soultion ( tracking and a Lead INdicator) whilst the Missiles are SACLOS guided requiring operator targeting until impact. IN essense they will work just like AGTM's for ground forces except being used for aircraft. if implemented it would be mouse guided by a player maintaining cross hairs on a aircraft so the missile will travel to that location. However if you overshoot or miss a target the missile will not be able to tun around. It Motor burns out quick , detaches and then stage 2 it relies on Kintetic enegry. IT looses energy fast. and By the time it reach 8KM distance its Kinetic energy has ran out and the begins to fall towards the ground, and Explodes, and another shot is needed. IT has a maxlimum of 8 93M11 Missiles. At closer distances it will be more practical to use a its 30 mm guns as as there is a minum distance and the inital rocket motor makes it difficult to maintai visual contant with a Air target. The easiest way to counterwill be not caresely and constnatly fly at low altitudes. Even if flying at low altitudes & it launches missiles , evasive manuvers should make a player Controlling a missile towards a Aircraft difificult to hit. It is not ideally suited to Fast flying aircraft and last but not least. IF Tier 6 aircraft include aircraft with Radar Warning Recieivers , Player will know One is active due to radar soruce, and they will get a Unique Tone and symobology chhange that they specfically are being targeted by that spefic Tunguska ( when locks them) , However again the Missile itslef is not reliant on radar lock. Radar lock is just for providing a lead indicator for gunnnery. It is a SACLOS missile guided up to 5 meters before detonation from a given target. Ethier way such a feature would further negate the SACLOS missile because no one would be caught by surprise. Virtual Example Some Videos below of how Implenation in Game could work , certainly simple enough , and easy enough for a player to operate for a game environment like War thunder, that is a MMO and not a Study SIM. Also too note these tests are done against predictable flying aircraft not attempting to engage me , And as you will see even then not a impressive hit rate at altitudes above 1000m (absolute max the 3m911 can effectively reach is 3,500 meters altitude) 2K22 Vs Slow mover ( A10) 2k22 VS Fast mover ( F5 tiger) Sources
  12. Suggestion: The addition of the very first Leopard 2 MBT to the German tech tree as their final tier 6 (or at a later date tier 7) vehicle to War Thunder Ground Forces. [Spoiler Alert !!! - Image Intensive!!!] Background: On 24. and 25. October 1979, the fourth Leopard 2 MBT ever produced was handed over to the Bundeswehr in a ceremony. The vehicle was the first series production vehicle as the first three had been pre-production vehicles. The ceremony marked the beginning of series production, and its delivery to the Bundeswehr signified the beginning of operational service for the Leopard 2. (Source: Frank Lobitz - Leopard 2 - Entwicklung und Einsatz in der Bundeswehr) General Specifications: Leopard 2A4 specifications - Note: The actual weight of a Leopard 2A4 is 56.5 metric tons, not 55.15 as in the case of the Leopard 2A0. Mobility - The acceleration behavior of the Leopard 2A0 on a street (Krapke) The wall climbing, trench bridging, gradiant climbing and tilting characteristics of the Leopard 2A0 (Krapke) Firepower - The Leopard 2A0s main armament consist of the Rheinmetall 120 mm L44 (44 calibre) smoothbore gun. The Leopard 2A0 would be equipped with the DM13 APFSDS-T round and the DM12 HEAT-T round. Starting in 1983 , the DM23 APFSDS-T round would become available as well. Accuracy of the 120mm Rheinmetall gun at various distances without the help of the ballistic computer or a misfiring. Protection - The Leopard 2 protection has been optimized to offer the best protection inside the frontal 60 degree arch particularly for the turret. Approximate frontal "weak zones": Armor Distribution: Official requirements: This document fragment suggests that the Leopard 2 should be able to resist 105 mm APDS rounds (most likely the DM13 APDS penetration: 322 mm RHAe) as well MILAN ATGMs. (Penetration 650 mm RHAe) This diagram suggests that the Leopard 2 (A0-A3) equipped with 1st generation protection is meant to be able resist the 125 mm armaments of the T72 and T64B tanks. This diagram illustrates the ranges at which the toughest part of the Leopard 2 (A0) turret gets perforated. Source: Paul W. Krapke - Leopard 2 - sein Werden und seine Leistung Note: One could reasonably assume that the toughest part of the turret of a Leopard 2(A0-A3) would most likely be the left turret cheek with a line-of-sight thickness of up to 840 mm. According to the table above, the most sophisticated KE round available to a T-72 during the the early years of the Leopard 2 was the 125 mm BM-22 round with a penetration performance of 450 mm RHAe. During the same time frame, the top-of-the-line APFSDS-T rounds of the T-62 suggests a perfomance of between 430 - 460 mm RHAe for the BM-21 and BM-28 rounds respectively. Source: Steel Beasts Wiki 2016 Source: War Thunder Wiki 2017 Estimates: Protection: 450 mm RHAe - Rolf Hilmes 2017 (I would think that this would refer to the KE resistance of the toughest part of the turret of a Leopard 2A0-2A3) This publication suggests that the Leopard 2 offers a KE resistance of about 400 mm and a CE resistance of about 700 mm. Source: Armed Forces Journal International - February 1989 This is an estimate by Militarysta of - His estimate gives the Leopard 2A0-2A3 turret cheek(s) a resistance of about 470 mm RHAe for KE rounds and about 650 mm RHAe against CE rounds. Given the information above, the Leopard 2(A0) left turret cheek seems to have a KE resistance of about 330 mm RHAe at the very least and about 470 mm RHAe against sub-calibre KE rounds at the very most. Given a line of sight thickness of up to 840-860 mm this would give the left turret cheek a respective armor thickness (co) efficiency (TE) of between 0.388 and 0.553. In both cases. For CE resistance the estimates seem to hover around 650-850 mm RHAe. This would make the left turret cheek of the Leopard 2A0 resistant to the MILAN 1 ATGM as originally outlined in the official document. The side hull in detail: This image shows the approximate thicknesses of the side hull of a Leopard 2A6. The side hull of a Leopard 2A0 will most likely not be much different. A closer look at the hull cross-section of a Leopard 2 Location of the main gun ammunition-bunkers on a Leopard 2(A0-A4) - 42 main gun rounds can be carried (15 turret / 27 hull). Sources: End
  13. Willys MB .50 ( Browning M2HB ) _______________________________________ The Willys MB was the mass-production version, modified according to army field operation reports and simplifications in design. The most obvious change was the front radiator grille. It was, for the 25,000 initial deliveries, a welded flat iron “slat”, later replaced by the familiar and simpler stamped, slotted steel grille, originally a Ford design. According to factory designation, this model was renamed “B” (MB). Eventually, Willys will produce 361,339 Jeeps until the end of the war, including 25,808 of the slat radiator grille model, and 335,531 with the stamped steel grille. It will be like the DShK GAZ AAA. DShK GAZ AAA Willys MB .50 ( weapon in anti-air position ) _______________________________________ Curb weight, battle ready : 1040 kg (2293 lbs) Crew : 3 (driver +2 passengers) Propulsion : Go Devil I4, 134 cu in (2.2 l), 60 hp Transmission : 3-speed manual 2 reverse, 2-speed Dana-18 transfer case Top speed : -110 km/h (65 mph) road -50 km/h (29 mph) off-road Maximum range : 458 km (285 mi) Armament : 12.7mm Browning M2HB Maximum armor : 6 mm (0.2 in) Willys MB with a cal.50 (12.7 mm) machine-gun, the heaviest weapon fitted regularly on the Jeep. _______________________________________ TM 9-2320-208-20P jeep maintenance manual&f=false _______________________________________
  14. Hi members! I have an idea to a new German tank, what would be Premium maybe: Panzer IV ausf G modified with hydrostatic transmission This was an experimental in 1944, but wasn't put into production, because "the unreliability of the transmission and the lack of spare parts". "The "Thoma" drive allowed the primary Machbach HL 120 TRM engine to power two high-performace oil pumps which in turn powered two oil engines." This specialty would be good on the German tech tree. I hope this is a good idea! Regard, Thiky
  15. Sd.Kfz 234/3 "Stummel"

    Introduction: Armoured wheeled vehicles were developed early in Germany, since they were not subject to the restrictions of the Treaty of Versailles The Sd.Kfz. 234 belonged to the ARK series (type designation of the chassis) and was the successor to the earlier Sd.Kfz. 231/232/233 (8-Rad), which belonged to the GS series. The SdKfz 234/3, was produced simultaneously with the 234/1, it served as a support vehicle for the reconnaissance vehicles. It had an open-topped superstructure, in which a short-barreled 7.5 cm K51 L/24 gun was installed. This gun was intended for use against "soft" targets; however, when using a hollow charge shell, the penetration power exceeded to that of the 5 cm L/60 gun. This variant was produced from mid 1944 to the end of 1944, before switching production to the 234/4. 88 Sd.Kfz 234/3 were built between June and December 1944. Development: Like the other vehicles in the 8-Rad series, the Sd.Kfz 234/3 was equipped with a bidirectional conduction, and with a more powerful engine than the previous version. The address at 8 wheels and low pressure exerted by the vehicle on the ground made it very popular with their crews. As mentioned in the subject of Sd.Kfz 250, the need for a heavy reconnaissance vehicle for the Eastern Front led to this series of vehicles (Schwerer Panzerspähwagen). After the French campaign the SdKfz 232 began to show signs of having been beaten in their duties so it was necessary to the creation of a heavy vehicle for reconnaissance and, also, with more firepower. The company responsible for this development, Bussing-NAG, was soon put to work. In terms of its basic features we can highlight the Sd.Kfz 234 top speed of 85 Km/h with a fuel capacity of 360 liters of diesel. It had a range of 900 km road and 600 km cross country. It had crew of 4: Commander, Gunner, Loader and Driver.The shield of the vehicle is reinforced as specified in the beginning, increasing its front armor up to 30 mm, with many areas arranged at an angle which increased its ballistic protection. Another point of interest was the arming of the vehicle, increasing to meet new opponents. Some of the models such as the SdKfz 234/3 and SdKfz 234/4 had an open-topped turret armament installed simply because it was too big for a closed turret. Details: Type Armoured car Place of origin Nazi Germany Production history Produced 1943–1945 No. built 478 (all types) Specifications Weight 10,500 kg (23,148 lb) Length 6.02 m (19 ft 9 in) Width 2.36 m (7 ft 9 in) Height 2.10 m (6 ft 10 in) Crew 4 Armor 9-30 mm (.35-1.18 in) Main armament •(234/3) 1x 75mm K 51 Secondary armament 1x7.92 mm (0.312 in) machinegun Engine 14,825 cc (905 in3) Tatra 103[2] V12diesel 157 kW (210 hp) Suspension wheeled Operational range 1,000 km (625 mi) Speed 90 km/h (55 mph) Armament: The 7.5 cm KwK 37 L/24 (7.5 cm Kampfwagenkanone 37 L/24) was a short-barreled, howitzer-like German 75 mm tank gun used primarily as the main armaments of the early Panzer IV tanks and slightly modified as StuK 37 in early StuG III assault guns. After being removed from these vehicles it was the Sd.Kfz 234/3 which received them as main armament. It had a capacity of 50 rounds It was designed as a close-infantry support artillery gun firing a high-explosive shell (hence the relatively short barrel), but was also effective against the early war tanks it faced during the period. Starting from March 1942,new variants of the Panzer IV and StuG III had their main armament upgraded, as a derivation of the 7.5 cm PaK 40 anti-tank gun for a self-moving turreted platform, to the new longer-barreled 7.5 cm KwK 40. When older Panzer IVs were upgunned, their former KwK 37 guns were reused to arm later Panzer III tanks and other infantry support vehicles. In 1943 depleted stocks and continued demand from producing Panzer III Ausf. N required restarting production of a slightly revised version under the designation 7.5 cm K 51 L/24 (7.5 cm Kanone 51 L/24). Ammunition: KwK 37 used shell 75×243 mm. R K.Gr.rot.Pz. - Armour Piercing Capped Kt. Kw. K. - Canister Nbgr. Kw. K. - Smoke Gr.38 Hl - High Explosive Anti-Tank Gr.38 Hl/A - High Explosive Anti-Tank Gr.38 Hl/B - High Explosive Anti-Tank Gr.38 Hl/C - High Explosive Anti-Tank 7.5 cm Sprgr.34 - High Explosive Projectile weight: 4.422 kg (9.75 lb) Explosive weight: 0.454 kg (1.00 lb) PzGr. 39/43 Armour-piercing Projectile weight: 6.80 kg (15.0 lb) Muzzle velocity: 385 m/s (1,260 ft/s) Penetration figures given for an armoured plate 30 degrees from vertical: Range Penetration Hit probability (%) 100 41 100 500 39 100 1000 35 97 1500 33 82 2000 30 n/a Penetration Comparison: Penetration figures (90 degrees) uses American and British 50% success criteria, and allowing direct comparison to foreign gun performance. Ammunition type Muzzle velocity (m/s) Penetration (mm) 100 m 250 m 500 m 750 m 1000 m 1250 m 1500 m 2000 m 2500 m 3000 m Pzgr. 39/1 (APCBC) 385 m/s (1,260 ft/s) 54 53 50 48 46 44 42 38 35 32 Pzgr. 39/2 (APCBC) 385 m/s (1,260 ft/s) 60 58 55 52 50 47 44 38 33 27 Gr.38 Hl (HEAT) 450 m/s (1,500 ft/s) 52 52 52 52 52 52 52 52 52 52 Gr.38 Hl/A (HEAT) 450 m/s (1,500 ft/s) 81 81 81 81 81 81 81 81 81 81 Gr.38 Hl/B (HEAT) 450 m/s (1,500 ft/s) 87 87 87 87 87 87 87 87 87 87 Gr.38 Hl/C (HEAT) 450 m/s (1,500 ft/s) 115 115 115 115 115 115 115 115 115 115 Vehicles that also carry this gun: Neubaufahrzeug Panzer III Ausf. N Panzer IV Ausf. A, C, D, E, and F1 StuG III Ausf. A, B, C, D, and E Sd.Kfz.233 Schwerer Panzerspähwagen Sd.Kfz.234/3 Schwerer Panzerspähwagen "Stummel" Sd.Kfz.250/8 Schützenpanzerwagen (7.5 cm KwK37) Sd.Kfz.251/9 Schützenpanzerwagen (7.5 cm KwK37) Conclusion: For me, this vehicle could be a nice addition to this game, it will be a Low-Tier Light Tank, which will work similarly to the already in-game Sd.Kfz 234/2 "Puma" but equipped with the low velocity 75 mm gun that is also used on the early Pz.IV's. Balancing this vehicle won't be a problem because it combines aspects of vehicles already on the game, but with a "speedy" and "flanky" touch! Gallery: Blueprints: Sources:
  16.   7.5 CM PAK 97/38   PaK 97/38 (7.5 cm Panzerabwehrkanone 97/38) was a German anti-tank gun used by Wehrmacht in World War II. The gun was a combination of a barrel from the French Canon de 75 modèle 1897 and a carriage of the German PaK 38. Development history During the invasions of Poland and France Wehrmacht captured thousands of 75 mm guns model 1897, built by the French arms manufacturer Schneider. These guns were adopted by Germans as 7.5 cm F.K.97(p) and 7.5 cm F.K.231(f) and used in their original field artillery role. Soon after the German invasion of the USSR in 1941, Wehrmacht units encountered new Soviet tanks, the medium T-34 and the heavy KV. Thick sloped armor of these vehicles gave them good degree of protection against German anti-tank weapons. The situation led to requests for more powerful guns that would be able to destroy them from long range. Since Germany already had a suitable design, the 7.5 cm PaK 40, it entered production and in November 1941 first pieces were delivered. Until enough of those will be manufactured, some expedient solution was required. It was tempting to adopt the easily available French gun to the anti-tank role. In the original configuration those guns were ill suited for fighting tanks because of their relatively low muzzle velocity, limited traverse (only 6°), and lack of suspension (which resulted in transport speed of 10-12 km/h). It was decided to solve the traverse and mobility problems by mounting the 75 mm barrel on the modern split trail carriage of PaK 38. To soften a recoil, the barrel was fitted with large muzzle brake. The gun was to fire primarily HEAT shells as anti-armour performance of this type of ammunition doesn’t depend on velocity. Interestingly, another major user of the French gun, the US Army, created and briefly adopted a similar expedient design, known as 75mm Anti-tank gun on Carriage M2A3.[1]. Type anti-tank gun Place of origin Germany   Wars World War II   Number built 3,712 Specifications Weight combat: 1,190 kg (2,623 lbs) travel: 1,270 kg (2,800 lbs) Length 4.65 m (15.25 ft) Barrel length 2,587 mm / 34.5 calibers 2,722 mm / 36.3 calibers (without muzzle brake) Width 1.85 m (6 ft) Height 1.05 m (3.45 ft)   Caliber 75 mm (2.95 in) Breech interrupted screw Carriage split trail Elevation -6° to 18° (25°?) Traverse 60° Rate of fire 10-14 rounds per minute Production   In 1942, 2,854 pieces were delivered; 858 more followed in 1943. In addition, 160 guns on 7.5 cm PaK 40 carriage (PaK 97/40) were built in 1943. The manufacturing cost of one piece was 9,000 reichsmarks, compared to 12,000 for PaK 40. Production was stopped because of sufficient supply of more powerful anti-tank guns.     Production of ammunition for Pak 97/38, thousands Type           1942    1943   1944    Total   HEAT 929,4 1,388.0   264,5  2,581.9     Employment PaK 97/38 reached the battlefield in summer 1942. Despite moderate effectiveness and a violent recoil, it remained in service until the end of the war. The scale of use can be illustrated by the ammunition used: 37,800 HEAT shells in 1942 and 371,600 in 1943. There is photo evidence of this gun being used in 1944. On 1 March 1945 Wehrmacht possessed 145 Pak 97/38 and F.K.231(f) guns though only 14 were employed by frontline units. Ten barrels with shields were experimentally mounted on the Soviet T-26 light tank chassis, resulting in vehicles designated 7.5 сm Pak 97/38(f) auf Pz.740(r). These self-propelled guns served with 3rd company of the 563rd anti-tank battalion before being replaced by Marder III on 1 March 1944. The gun was also employed by the Finnish Army in Continuation War. Finns purchased the 75 mm field guns from France in 1940, became disappointed with their performance and in 1943 reached an agreement with Germany about upgrading to PaK 97/38. 46 pieces were converted in March-June 1943. Seven of the guns were lost in combat, the rest remained in service after the war and only in 1986 were retired. A number of pieces were supplied to Romania and saw combat with the Romanian Army on the Eastern Front.   Summary PaK 97/38 could be produced using captured barrels and could fire captured French and Polish ammunition. Together with light weight, good mobility and sufficient anti-armor performance with HEAT shell (enough to penetrate T-34 in most situations; side armor of KV could also be pierced), it made the gun decent anti-tank weapon. It had shortcomings, particularly low muzzle velocity. Although it didn’t affect armor piercing characteristics of HEAT ammunition, it meant insufficient performance when firing regular AP shells and – because of difficulties in hitting small mobile targets – low effective range of about 500 m even with HEAT. The gun also had quite violent recoil, especially with AP shells. It must be also noted that in the World War II the technology of manufacture of HEAT shells was crude, so many shells had armor penetration characteristics significantly below the supposed ones. Ammunition   It is not clear if German AP shells for PaK 97/38 were produced. Polish AP shells were used in limited numbers. The Finnish Army used locally produced ones designated 75 psa – Vj4 and possibly old French ones designated 75 pspkrv 59/66-ps. The 75 psa – Vj4 penetrated 92 mm at 300 m, meet angle 90°.[2] The HEAT projectiles penetrated about 90 mm at meet angle 90° or about 75 mm at meet angle 60°.     Available ammunition Type Model Weight, kg HE weight, g Muzzle velocity, m/s Range, m Armor-piercing shells AP, Polish 7.5 cm K.Gr. Pz.(p) 6.8   570 1,500 HEAT shells HEAT 7.5 cm Gr.38/97Hl/A(f) 4.4       HEAT 7.5 cm Gr.38/97Hl/B(f) 4.57   450 1,500 HEAT 7.5 cm Gr.15/38Hl/B(f) 4.4       High explosive and fragmentation shells HE-Frag, French 7.5 cm Sprgr.233/1(f) 6.19   577 10,000 HE-Frag, French 7.5 cm Sprgr.230/1(f) 5.44   545 7,600 HE-Frag, French 7.5 cm Sprgr.231/1(f) 5.44   557 7,600 HE-Frag, French 7.5 cm Sprgr.236/1(f) 6.6     10,000
  17. Most if not all aircrafts in War Thunder have their national airforce decal and some skins even have their Squadron and Plane number.   I think that all tanks, (I'm not sure about some premium ones) don't have any country ID at all. Not a roundel, symbol or anything to identify the nation of the tank.   Not to mention that there are A LOT of varied decals in game for each tank.       Judging by WWII Photos and drawings Tanks used between 3 to 5 decals like the White Star or Circled white star in different sides of the tank to identify it.  1 on the front hull, 1 on each side, maybe even 1 more on each side of the turret, and 1 or 2 in the top of the tank for air friendly fighters.   Then they used 1 (on two sides mostly) or 2 (1 on each side, 1 on the front), decals for that division/squadron and name of the tank.   And you can even count the Serial number of the tank, or squadron/batallion, unit number, that war thunder counts as 1 decal, only leaving you the option of Germany's Red 13 (Die Schwarze 13) or USSR's 14,27 or 100.   Here you have a clear example:     3 x France Flag (1 front, 1 on each side) 3 x "C" French Armored Corps Insignia,  2x 55's decal, indicating the Unit's number (each side of the turret), and 2x Free French Forces Insignia + 2x "Champagne" Name of the tank on each side. I'm not counting the serial number or license plate on the front and back.   That gives us a total of 3+3+2+2+2 = 12 Decals   I'm counting 12 decals because on a lot of tanks the "Two sided" option for a decal doesn't works well or doesn't works at all. But I'm going to report that in the bug report section, later.     --------------------------------------------------------------------------------------------------------------   So, I see 3 solutions:     You give us tank's skins with Roundels/Insignia/Crosses printed on them You define zones on each tank were Country insignias are going to be printed, and/or flags too, and we can choose those insignias while we unlock them for better ones or alternative ones You give us 4 or 8 More decal slots. I SEE THIS AS THE BETTER OPTION, Since you only have to code those slots, and you don't need to do new skins, or modify the existants, nor configure areas of the tank where country decals are going to be placed.       -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------       And, I've noticed and decided to post this because of this image:           This M41 Walker bulldog has 6 decals or a skin with them -- You can count 2 decals for the White star, 1 decal for the USA-Serial number and one for each number of 532 number.   So, please, let us make our tanks look like this:!%202015%20NEWS/April/Sherman/m4%20sherman.jpg   Without needing to download a skin wich is only client-side.....
  18. DEVELOPEMENT The High Survivability Test Vehicle – Lightweight (HSTV-L) was developed under the direction of the TACOM project manager for Armored Combat Vehicle Technology at the US Army Tank-Automotive Command, Warren, Michigan. The work began in late 1970s. Following the field testing, the HSTV(L) is being used for experiments in fire-control and stabilisation. Stabilisation processing has been converted from analogue to digital. Various stabilization control algorithms are being tried along with different combinations of transducers to determine effects on gun pointing performance and the possibility of eliminating some of the expensive sensors such as gyros. The TACOM Motion Base Simulator, a huge shaker table, is being used to provide terrain input. These tests began in September 1982 and are to continue for a year or more. DESCRIPTION The high survivability of this vehicle is derived from the low silhouette, high horsepower per ton, duplication of sights, improved night vision capabilities, and the lack of specific driver and gunner controls. Any crewman can shoot and both hull crewmen can drive. Although a test vehicle, the HSTV(L) is not a variable parameter test bed but an exercise in system realism for the three-man crew, hunter/killer fire control concept and low silhouette. Armament for the HSTV(L) consists of a 7.62 mm M240 machine gun for both commander and coaxial position and a 75 mm smooth bore cannon. The cannon employs a revolving breech and telescoping ammunition which enables the automatic loader to load one round per 11/2 seconds. The in battery-firing recoil mechanism has a fixed piston that allows the greater mass of recoil cylinder and breech mechanism parts to recoil during firing. The 75 mm gun and automatic ammunition feeder are designed and made by ARES Inc, Port Clinton, Ohio. Texas Instruments supplies the fire-control system which uses the hunter/killer concept. The commander uses a stabilised hunter sight that revolves independently of the turret. Once a target is selected on this sight, the turret and killer sight can be aligned with it. The gunner can then destroy the selected target while the commander returns to search with his hunter sight. Both direct vision and FLIR (Forward Looking Infra-red) optics are available for either sight. The commander can use either a binocular direct view optic eyepiece for improved clarity and reduced power drain, or a video screen. In the hull, a video screen visible to both gunner and driver receives transmissions from hunter and killer sights. The electronic fire control processor uses inputs from the sights, crosswind sensor, muzzle reference, vertical reference system, and an eye-safe CO2 laser rangefinder to compute proper gun pointing. The laser rangefinder is supplied by Raytheon. Automatic tracking and rate aid tracking can also be accomplished by the fire control processor. Both elevation and azimuth stabilisation is provided for the 75 mm gun with a slaved killer sight and an indepen¬dently stabilised hunter sight. Fire-on-the-move capabilities are improved by decoupling the yaw motion of the hull from the turret. Cadillac Gage supplies the gun control and stabilisation system for HSTV(L). Propulsion for the HSTV(L) comes from a gas turbine engine mounted beside the transmission with a cross-drive gearbox connecting the two. Avco Lycoming supplies the nonregenerative 650 horsepower modified helicopter gas turbine. The transmission is an X-300 Detroit Diesel Allison automatic four-speed with lock-up torque converter. Auxili¬ary power is provided by two 250 amp generators and a 60 gpm hydraulic pump. The hydraulic pump supplies power for the engine compartment mounted oil cooler fan and through a hydraulic slip ring; it also supplies power to the gun control system and automatic ammunition loader in the turret. Teledyne supply the fixed height hydro-pneumatic sus¬pension system. A 355.6 mm jounce and 127 mm rebound travel is possible due to the small 558.8 mm diameter road wheels. The track is an improved version of the type found on the M551 Sheridan. The man-machine interface for the HSTV(L) is of prime importance. The use of the hunter/killer concept allows both the gunner and the commander to contribute as much information as possible towards the neutralisation of the enemy. The use of pressure sensitive isometric rate controller thumb switches allows for more precise gun control while firing on the move. The driver and gunner seating positions are semi-reclined for maximum comfort in a minimum space. The tv screens considerably improve fire-on-the-move sighting clarity. SPECIFICATIONS CREW: 3 TEST VEHICLE WEIGHT (with instrumentation and partial applique armour): 20 450 kg POWER-TO-WEIGHT RATIO: 31.78 hp/tonne GROUND PRESSURE: 0.7 kg/cm2 LENGTH GUN FORWARDS: 8.528 m LENGTH HULL: 5 918 m WIDTH: 2.794 m HEIGHT: (overall) 2.414 m (to turret top) 1.994 m (to hull top) 1.422 m GROUND CLEARANCE: 0.508 m TRACK: 2.349 m TRACK WIDTH: 445 mm MAX SPEED (road): 83.68 km/h ACCELERATION (0 to 48 km/h): 11.8 sec FUEL CAPACITY: 409 litres MAX CRUISING RANGE: 160 km FORDING: 1.0 m GRADIENT: 60% SIDE SLOPE: 30% TURNING RADIUS: pivot to infinity ENGINE: Avco-Lycoming 650 turboshaft developing 650hp TRANSMISSION: GMC Detroit Diesel Allison Division cross drive model X-300-4A with 4 forward and 1 reverse gears, single-stage, multiple-phase torque converter with automatic lock up STEERING: hydrostatically controlled differential, pivot steer in neutral BRAKES: multiple wet plate, service and parking, hydrostatically applied with mechanical backup SUSPENSION: hydro-pneumatic ELECTRICAL SYSTEM: 24 V BATTERIES: 6 × 12 V, 300 Ah ARMAMENT: (main) 1 × 75 mm ARES XM274 heavy autocannon (coaxial) 1 × 7.62 mm MG (anti-aircraft) 1 × 7.62 mm MG AMMUNITION: (main) 26 (MG) 3200 FIRE-CONTROL SYSTEM: powered/manual By commander: yes By gunner: yes Gun elevation/ depression: +45°/-17° front, +45°/-6° rear, +45°/-30° side Max rate (power): elevation/depression 1.0 rad/sec Max rate (manual): elevation/depression 10 mils/crank Min rate (power): elevation/depression 0.2 mils/sec Max traverse rate (power): 1.0 rad/sec Max traverse rate (manual): 10 mils/crank Min traverse rate (power): 0.2 mils/sec Periscopes: driver 3 (×1), gunner 3 (×1), commander 8 (×1) Primary engagement sight (turret): stabilised head, FLIR CO2 laser rangefinder, tv, 2 FOV linked to all three crew members Hunter sight (turret): stabilised head, rotates independently of turret; FLIR; direct view optics, tv, 2 FOV linked to all three crew members Gunner’s sight (hull): slaved to weapon, direct view optics, 2 FOV gunner’s use only Status: Undergoing stabilisation/fire control testing on the Motion Base Simulator, Tank Automotive Command, Warren, Michigan. Cancelled. Manufacturer: AAI Corporation, Box 6767, Baltimore. Maryland 21204, USA. GUN 75mm ARES : (APDSFS and HE) Cartridge size : 5.2-inch x 19.0-inch (Diameter x Length) Cartridge volume : 403.5 cubic inch Cartridge mass : 12,655 grams Propellant mass : 3,488 grams Projectile launch mass : 3,052 grams (penetrator + sabot) Muzzle velocity : 4,800 fps Information from Source: "Modern TANKS" by George Forty Jane’s Light Tanks and Armoured Cars 1984 by Christopher F. Foss The TARDEC Story: Sixty-five Years of Innovation 1946-2010 by Jean M. Dasch (Ph.D.),David J. Gorish (Ph.D.) Gun and ammo information: Moved RDF Blocks to RDF/LT suggestion here:
  19. RDF/LT 75mm ARES smoothbore gun 76mm M32 gun To avoid confusion there is 2 version of RDF/LT in which one armed with 75mm smoothbore gun look like HSVT but lighter/less armored and difference engine and electronics AAI RDF Block 1, 75mm ARES gun in a manned, autoloading turret. Capable of 5-round "Burst Fire" supposedly able to overcome Soviet armor by placing 5 shots in the same area in rapid succession. Also designed for use in the AA role. AAI RDF Block 2, AKA the "Elke", testing the extreme versatility of it's new oscillating gun on an M551 Sheridan hull. Crew was reduced to two with the totally unmanned turret. AAI RDF Block 3, forgoing an oscillating turret and regaining it's earlier AA role with an 8-pack of Stinger SAMs. 76mm M32 gun version Source: Hunnicutt's 'Sheriden', pp. 145-165 Jane’s Light Tanks and Armoured Cars 1984 by Christopher F. Foss Popular Mechanics page 70-71 by Hearst Magazines (ISSN 0032-4558)
  20. A pilot model of a 6 pdr self propelled vehicle was built using the body of a Canadian Fox armoured car. Could make an interesting addition to the lower tiers SP category. QF 6 pdr Mk III 60 deg gun traverse, so 30 side to side 15 deg elevation -5 deg depression 30-40 rounds stowed (30 standard can be expanded to 40) satisfactory stability on firing Armour values would be the same as for the Fox(which was a Humbler) Standard 6 pdr gun shield + extra 8mm placed on sides and front except area in front of gun sight Gun mount is set high to clear drivers compartment Upper hull frontal 8 mm + 6 pdr AT gun shield Lower hull Frontal 14-12-10-8 (many spec sheets for the fox/humbler never seem to agree quite on this) Sides 12-10-8 (again don't agree much) Rear 12 Floor 4 Automotive performance wise it's going to perform pretty much like the Fox/Humbler did. Estimated gross weight loaded 15,750 lbs almost evenly distributed Lower center of gravity then Fox Better cross country performance then Fox More data and some sway performance on the hull from the gun The upper portions had a 8mm front and sides placed to cover the gunnery crew, otherwise you have the standard 6 pdr AT mounted in there with it's shield. Minus the carriage and all that. Killing it with the power of my ms-paint skills to give a rough idea what I mean. Sources Canadian Department of Defense microfilms Secret weapons of the Canadian army, Roger Lucy
  21. In 1943 Canada drew up plans for an Airborne self propelled vehicle. While never built in general the plans were finished. Armament QF 75mm or 6 pdr Some form of mounted MG 15 deg right and left traverse for main gun +20 elevation -7 depress Armour Frontal 20.63 mm Sides 20.63 mm Rear 11.11 mm Automotive performance 60 hp jeep engine 40 mph top speed Designed to lower itself to the ground for a more stable firing platform, the crew seats could be lowered as well to provide more armour coverage for the crew. While no AA machine gun is listed in the general specs, the drawings do seem to indicate one could be mounted and used. Think of it as sort of an earlier western version of what the soviet ASU-57 was. Mounting either the 75mm or 6 pdr gives it a bit of wiggle room depending where they could place it on the tech trees. More detailed specs, such as weight, parts used etc. Sources Canadian Department of Defense microfilms Secret weapons of the Canadian Army by Roger Lucy
  22. Schützenpanzer Lang LGS M40A1

    Since we are getting tier 6 i wonder there is any possibility to add this vehicle. History The Schützenpanzer Lang HS.30 (also Schützenpanzer 12-3) was a West Germaninfantry fighting vehicle developed from 1956 to 1958.[1] It was a Swiss Hispano-Suizadesign, with a Rolls-Royce engine. After some early mechanical problems only 2,176 were built of the 10,680 planned. It was armed with a 20 mm cannon which was an unusually powerful weapon for an armoured personnel carrier of the period. Its design proved to have many flaws and drawbacks and the construction was followed by a great political scandal in West Germany in the 1960s. 2,176 SPz 12-3 and variants were built until 1962, for which the German government paid 517 million DM, or about 238,000 DM per vehicle. The SPz 12-3 first entered service with the Panzergrenadier battalions in 1960[2] and was replaced by the Marder infantry fighting vehicle from 1971. But there is an anti-tank variant that can be added to the game, LGS M40A1.Equiped with a 106mm M40A1 recoiless rifle. Specifications -Weight :14.6 tonnes -Length:5.56 m -Width :2.54 m -Height :1.85 m -Crew :3 -Passengers :5 -Armor :30 mm at 45° -Main armament: 20 mm L/86 HS 820 autocannon 106mm M40A1 recoiless rifle -Secondary armament 7.62 mm MG3 machine gun -Engine :Rolls-Royce B81 Mk 80F 8-cylinder petrol 220 hp (164 kW) -Power/weight :15.3 hp/tonne -Suspension :Torsion Bar. Three Bogie, Five road wheels -Operational range 270 km -Speed :58 km/h Main armament ammunition: *20mm L/86 HS 820: -UIA (HEI): Projectile weight 120 g, explosive filler 10 g -RIA (APHEI): Projectile weight 120 g, explosive filler 4.5 g -RINT (AP): Projectile weight 111 g, core weight 70 g *106mm M40A1 recoiless rifle -M344A1 : HEAT shell -M361A1 : HESH shell -M346A1 : HEP-T shell Here some images: Sources -Hammerich, H.R. (2006). Das Heer 1950 bis 1970: Konzeption, Organisation und Aufstellung. De Gruyter Oldenbourg. ISBN 978-3-486-57974-1. -Haworth, W. Blair. The Bradley and How It Got That Way, Greenwood Publishing Group, 1999. ISBN 0-313-30974-4. -Foss, Christopher (ed.) Jane's Armour and Artillery 1981-82, Jane's Publishing Company Limited, 1981. ISBN 0-7106-0727-X. - - What are your opinions and tougths about this vehicle? Edited 2 hours ago by *MightyTonySpark
  23. Personally, I'd love to see the other variations of the A13 series to be added into the game, whilst not drastically different to the current iterations they would add some filler into the lower parts of the tree, or could even be used as additional low tier premiums or gift tanks. Cruiser III* (A13 Mk. I*): Battle tier: 1.3 Where the Cruiser IV had the additional 14mm of applique directly applied to the front of the turret face. The Cruiser III*, which was designed to bring the Cruiser III to Cruiser IV standards, was truly spaced. The diagram above shows the difference between the turret front plates of a re-worked Cruiser III to that of a mid-production Cruiser IV (with the mantlet applique). The easiest way to tell that the Bovington exhibit is a Cruiser III* turret is 1) you can see the applique armour cutout for the old Cruiser III style optics, 2) it has the chamfered corners, 3) if you can get a top down view you can see the gap between the old Cruiser III turret and the add-on armour. In-game its playstyle would mirror the A13 Mk. II, perhaps offering a very negligible increase in protection against low tier HE and HEAT thanks to the actual spacing of the applique armour. Perfect for either a gift or premium tank. Cruiser IVA (A13 Mk. IIA): Battle tier: 1.7 The Cruiser IVA featured a newly designed mantlet, up-armoured to 30mm and mounting the new 7.92mm Besa MG. This increase of armour meant that the amount of applique pieces dropped from 4 to 3, as the additional mantlet cover was no longer required. With this change however the vehicles mass grew to 15 tonnes. In-game the Cruiser IVA would be perfect for filling the battle tier 1.7 tank gap the British have, only being taken up by the T17E2 and premium A13 Mk. II 1939. Cruiser IVA 1940 (A13 Mk. IIA 1940): Battle tier: 1.7 The Cruiser IVA mantlet changed once again, this time to cast design, which was much simpler to produce. Thickness again remained at 30mm, the new design wasn't without drawbacks however as the mantlet was known to "catch" shells or bullets which tended to jam the housing. This flaw was also repeated on several other British tank designs. I would make this an alternate tank to the Cruiser IVA, much like how the Pz IIIF & Pz IIIJ are split, letting a player fill up their lower tier lineup further. A13 Mk III "Covenanter": Battle tier: 2.0 Already suggested over here, so I won't repeat it. Sources: - - English translation: - - Tank, Cruiser, Mark III, IV & IVA, Instruction Book, 1941 - The Great Tank Scandal: British Armour In WWII D.Fletcher, HMSO, 1989 - A Yankee Inventor and the Military Establishment: The Christie Tank Controversy, George F. Hofmann, Military Affairs, Vol. 39, No. February 1, 1975 - T.3 Christie: Armour in Profile # 4, Peter Chamberlain, Profile Publications, 1967 - English translation: - -
  24. 75 mm GMC M3 in War Thunder is currently the most underperforming against the other tank destroyers in term of reload time: SU-76 (2.3): 76.2 mm, shorter reload time at 9.0 s (Basic Crew) StuG III Ausf. A (2.3): 75 mm, insane reload time at 4.3 s (Basic Crew) 75 mm M3 GMC (2.0): 75 mm, staggering reload time at 10.8 s (Expert Crew + Complete Reload Time skill up to 5 bars) The gun mounted on top of M3 Half Track in game. Its field gun variant, which is the same. Both guns are 75 mm M1897 L/36, derived from French Matériel de 75mm Mle 1897. Since these are basically the same gun, both should have the same rate of fire around 15 RPM / 4 seconds. Video footage of the 75 mm M1897 rapidly firing the shells. From the video, we can see that the field gun was only manned with 3 crews, which were gun commander, gunner, & loader. In fact, 75 mm GMC M3 has only 4 crews instead of 5 in game (although this is incorrect), it should have at least the same reload time as the field gun itself, just like how StuG III Ausf. A has the same rate of fire at 15 RPM as its own field gun variant, with 4 crews. Currently in game, the vehicle lose 1 loader crew. Possible fix: Assign 1 more loader for the vehicle & increase its RoF from 5.5 RPM to 15 RPM Source (secondary references): Half-Track: A History of American Semi-Tracked Vehicles Jane's World War II Tanks and Fighting Vehicles
  25. The A30 Challenger Stage I was an uparmored variant with 1" thick appliqué armour plates welded onto the turret front side plates, driver's visor plate, hull nose plate, and turret box front plate. The thickness of the original plates was therefore increased to approximately 89mm, except in the case of the nose plate, which was increased to approximately 82.5mm, although this was angled at 30° from the vertical. An additional 10mm of applique armor was welded to the turret box bottom plates, which were the 8mm thick undersides of the turret box overhangs that abutted the sides plates on both side of the tank. It should also be noted that a revised turret nose casting, with an increased thickness of 102mm (in comparison to the original 63mm), had already been introduced from the 41st production Challenger. When weighted to represent a full crew and stowage, T271926 weighed in at just under 34 tons, which was approximately 1 1/2 tons above the standard A30. Added part of "Field Trial Report 1399, Challenger - Appliqué Armour. Acceptance Trials." During trials, it was noted that "It is therefore considered that the Performance and Reliability of the Challenger machine built to the current specification is not impaired by the addition of appliqué armour" even achieving higher average speed on cross country running against the Pilot machine. A total of 200 Challenger were produced : 63mm cast turret nose (T271901-T271940) March-June 1944 102mm cast turret nose (T271941-T272000) July-October 1944 Appliqué armour + 102mm cast turret nose (T272001-T272100) November 1944-1945 (aka Challenger Stage I) Thus we have 40 "basic" Challenger, then from the 41st production variant the uparmoured turret cast nose was introduced, and finally from the 101st Challenger, uparmoured cast nose and appliqué armour till the 200th making it half of the produced Challengers. Compared to the Comet it even gains a few mm on the front hull, tought too small of an improvement to change anything gameplay wise. Ingame, we have the first production variant, (with an incorrect 3D model representing a 102mm cast turret nose, but that's another matter, I'm on the bug report) This could be a nice addition to rework the British tree as some players think that the actual Challenger is slightly overtiered, we could for example replace the actual Challenger with the Stage I, lower the br of the original variant with or without removing its apds... Just food for toughts Some good pictures showing the welded applique armour on the turret box, driver's visor plate and turret front side plate. En résumé: 1" appliqué armour added on : Hull nose plate 57mm --> 82.5mm Driver's visor plate 63mm --> 89mm Turret box front plate 63mm --> 89mm Turret front side plates 63mm --> 89mm + 10mm appliqué armour on : Turret box bottom plates 8mm --> 18mm and finally revised turret nose casting 63mm --> 102mm So, what's your toughts on this ?