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Swiss prototype FFA P-16

One of the first Swiss prototype jet fighters to fly in April 1955, the P-16 completed the first test flight  

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                 Switzerland

FFA P-16

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Switzerland is a small country in the heart of Europe, which managed to maintain neutrality during two world wars. For many this country is associated with the famous swiss banks, the spectacular mountain scenery, dairy products and total tranquility. However, throughout the history of armed forces of switzerland was developed enough. Had the country's aviation industry, which in the mid-twentieth century allowed them to create jet military planes, bringing them from design stage to flying specimens.

The swiss air force was established on 31 july 1914, however, up until 1996 they were part of the army. During its existence, the military aircraft of this European country never participated in the armed conflict, though during the second world war the swiss pilots shot down several aircraft of Germany and the allies that invaded into the airspace of switzerland. Ended the second world war, in fact, opened the way for jet aircraft. In switzerland at this point was launched an ambitious and quite complex program on creation of a jet combat aircraft for local production.

If the leadership of the swiss were spending huge sums on the development of aviation weapons (mainly missiles), turboprop engines, as well as ground anti-aircraft weapons (missiles). Ultimately, the development of its own advanced jet combat aircraft created taking into account specifics of application in switzerland was not successful, the air force never received the serial jet aircraft in switzerland. However, local designers managed to create a few prototypes of jet airplanes, which took part in the full flight tests. One of these planes and was multi-role fighter, the FFA P-16.

In 1948 the headquarters of the swiss air force has prepared a specification for the design of multipurpose jet fighter, which would perform the functions of a fighter-interceptor, and functions of a fighter-bomber. Contracts for the supply of prototypes of new combat aircraft was signed with two companies-developers: FFA and efw. The last presented draft of the fighter EFW N-20 wing with a small sweep (original), and the company FFA project single jet with straight wings — the first prototype was designated the FFA P-16-01. Path model of P-16 took several years.

 

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April 25th, 1955 Swiss test pilot Hans Häfliger prepared for the first flight of the prototype FFA P-16 ground attack fighter

 

His first flight of this aircraft was made on april 25, 1955. This model was powered by a british turbojet engine of armstrong siddeley sapphire thrust of 35.58kn. Development of the aircraft EFW N-20 was discontinued in 1953, after which the model FFA P-16 was the only participant, the requirements of which by that time become quite tough: high speed flight, short take-off and landing to ensure efficient use of aircraft in the airfields located in mountainous terrain and unpaved runways. In addition, the aircraft had to possess a high initial rate of climb and good maneuverability.

In reality run P-16 was 488 meters, and the path with a brake parachute — less than 305 meters, which was quite a good performance. Largely good flight characteristics multifunctional fighter, the ffa P-16 was due to the presence of highly durable thin wing of small aspect ratio, which was fitted with flaps and slats. A distinctive feature of the fighter was fixed fuel tanks, which the designers placed on the wing tips. In order for the plane to be easy to use and unpaved lanes on all landing gear were installed, twin wheels.

 

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Prototype falls on Lake Constance

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In April 1955, the P-16 completed the first test flight. Only four months later, this machine fell. Because of a broken weld. Prototype falls on Lake Constance.
But the Confederation continued to believe in its own jet. In 1958, the National Council of States came to approve a loan of 407 million francs for the purchase of one hundred P-16. But three weeks later, the drama happened. "The steering wheel of the plane was broken, I could not do anything else," recalled test driver Jean Brunner († 79). The J3003 prototype crashed in front of Rorschach SG on Lake Constance.
Jean Brunner was on the flight home from a performance test: "When I wanted to extend the landing gear, the aircraft suddenly plunged in. It was so extreme that I hung on the lugs."
Pilot survives thanks to ejection seat
The test pilot was able to exit at the last moment with the ejection seat. And he was lucky again: boys who were traveling with a pedal boat discovered him on the lake. Brunner, who died of cancer last year, survived with severe back injuries.
The accident of the P-16 was due to the fatigue of the material in a hydraulic pump. He started the end of the first Swiss jet. After a long fight, the federal government canceled the order for Flug- und Fahrzeugwerke Altenrhein. (Uhg)

 

In the period from february 28 to march 12, 1956, a new multi-role fighter has passed evaluation test in the swiss air force, but their results were not very encouraging for the developer. Despite this work, the programme was continued. At the same time during the execution of the 22nd test flight of a prototype fighter crashed. The reason for the disaster was engine failure, which was caused by malfunctions in the fuel system of the car.

 

Test pilot managed to successfully eject for a few seconds before the plane crashed into the waters of lake constance. After losing the first prototype of the company's specialists ffa began work on a second prototype, P-16-02, which took to the skies on 16 june 1956. On 15 august of the same year, during the commission of the 18th test flight, the aircraft exceeded the speed of sound in a dive. Also on this model were carried out testing different weapons.

 

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The third plane created in the framework of this program, received the designation P-16-03. He got a better and powerful engine sapphire sa. 7 48,92 kn thrust, first flight the aircraft has completed 4 april 1957. The flight characteristics of the aircraft improved, with the result that in march 1958 the government of switzerland has issued an order to build 100 of these aircraft, which were to receive the designation of P-16 mk III. However has not passed also weeks as the prototype P-16-03 crashed by going after his predecessor in the waters of lake constance.

 

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This time the pilot also managed to eject from the unmanaged machine. This time the reason for the loss of the aircraft, according to a group of swiss experts, was the failure of the hydraulic control system during the commission of a landing approach at low altitude. After the crash the serial order for the construction of one hundred fighters were immediately stopped, and two months later he did, and was canceled. Representatives of the swiss government believed that the hydraulic system is flawed fighter and need to do a full processing of a combat vehicle that would require additional investment of funds, and also broke the terms are fulfilled the whole program.

 

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In turn, the representatives of the company FFA in cooperation with experts from the royal aeronautical nits the UK, located in farnborough, in the course of its investigation found out that the hydraulic system of the aircraft to satisfy the design requirements of great Britain and denied thereby the official opinion of the swiss expert group and their version of the causes of the disaster. After investigation and consultation with UK experts, engineers, ffa introduced the hydraulic system of multifunctional fighter being developed only minor changes. On its own initiative, the firm had built two prototypes under the designation P-16-04 and P-16-05. The first of them took to the skies july 8, 1959 and the second in march 1960.

 

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However, the order for building data combat aircraft and was not renewed. It is worth noting that the swiss experienced fighter p-16 was the first aircraft in the world, which was used krueger slats, designed to increase lift. Doctor of technical sciences hans l. Studer planned to use the cooling system of the flaps, however, aerodynamic testing has demonstrated that at the maximum curvature of the average line profile can achieve such a lift coefficient, which is the system blowing only slightly increased (and such increase would not justify the complication and weight of the aircraft structure).

 

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Another design change wing fighter, which was introduced by hans studer, was the removal of aerodynamic braking, as carrier-based fighter North american FJ-1 fury american made asymmetrical deviation provoked an emergency in the air. Instead of wing-mounted air brakes to model P-16-04 at the sides of the fuselage were located perforated metal plates with hydraulic drive. In addition to the wing on the model P-16-04 changes and air intakes. The designers moved them closer to the nose of the aircraft. They were provided with means of isolation of the boundary layer using the installation plates and the subsequent removal of "Slow" air through a large number of slits on the top and bottom.

The intakes of aircraft P-16 were partly inscribed in the contour of the fuselage, and the leading edge smoothly into the side of a fighter. To improve the movement of a multifunctional fighter on unprepared surfaces was changed chassis: reducing the specific load on the soil was achieved by installation on the nose and main landing gear of the aircraft of the pair of wheels. Additional fuel tanks located on the wingtips of fighter P-16-04 be considered by designers as an integral part of the structure of a combat vehicle and its fuel injection, so they were designed non-resettable. The basis for the design of a fighter jet made of light dural alloy and only the most loaded nodes are made from high strength steel.

 

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The airframe P-16-04 was very durable. According to the terms of reference he had to withstand in flight, large load, and provide high structural strength while servicing the aircraft semi-skilled ground personnel. Maximum permissible overload of the airframe experienced multifunctional fighter, the FFA P-16 was 13g. Swiss arms multi-functional fighter was supposed to be quite impressive. In the nose of the aircraft was planned to place integrated into the design of the installation of four 30mm automatic guns swiss hispano-suiza hs. 825 ammunition, 125 rounds per gun.

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Just behind the cannon armament in the fuselage was planned to install the sliding block matra 1000, equipped with 44 unguided rockets caliber 68mm. These missiles would be used to attack ground targets and not manoeuvring air targets. The first prototype of the prototype P-16-04 under the wing had no weapons, however each console was reinforced space in the planned attachment points of the three pylons. Total weight varied.

 

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Specifications FFA P-16 Mark III

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Crew: 1
    Length: 14.33m
    Wingspan: 11.15m
    Height: 4.27m
    Wing area: 30.0m²
    Empty weight: 7,037kg
    Max. takeoff weight: 11,713kg
    Powerplant: 1 × Armstrong Siddeley ASSa.7 Sapphire turbojet, 49.1 kN (11,000 lbf)

Performance

    Maximum speed: 1,118km/h (604 knots, 694 mph) at sea level, clean
    Stall speed: 179 km/h (97 knots, 111 mph)
    Range: 1,447 km (781 nmi, 899 mi) at 9,150 m (30,000 ft)
    Service ceiling: 14,000 m (46,000 ft)
    Rate of climb: 65.0 m/s (12,795 ft/min)

Armament

    Guns: 2×30mm Hispano-Suiza HS.825 cannon in nose with 120 rounds per gun
    Hardpoints: 4 with a capacity of up to 2,590 kg (5,700 lb) of external stores
    Rockets: 44 × 68 mm SNEB rocket in retractable Matra launcher under fuselage

 

 

 

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Edited by pieve
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Im modelling one at the moment:

ywy6dIV.png

KaEE4c5.png

 

But I'm new to 3D modeling, so I'm trying my best to make it work even in Warthunder, but I can't guarantee for nothing!

 

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29 minutes ago, nightfury34 said:

Im modelling one at the moment:

ywy6dIV.png

KaEE4c5.png

 

But I'm new to 3D modeling, so I'm trying my best to make it work even in Warthunder, but I can't guarantee for nothing! 

 

my congratulations, my friend, I hope the gaijin helps you there.  You already have my support for your first 3D model.

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Here is a small update!
I reworked the fuselage and built the air intakes.
I also built a temporary landing gear, which I want to rebuild later.
I also started to model the engine, but I'm not sure yet how I'll do it in the end.

If you have any suggestions for improvement, let me know! 7.P-16.png.665dbe26dcfde240ec6788bda63b38.P-16.png.e8b642f443f0c2882b32ae2522740

6.P-16.png.6b22c5d534ba0dcdb94baaaef7eab

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Well! After a longer break, I started to finish the model again. I was also in "Dübendorf" to take pictures of the last P-16.
I have been working on the fuselage now. This one is now closer to the real plane. I also have a bit more curves on the model to make it look smoother.
Now all I have to do is finish the air intakes and get to the wings. As soon as I'm finished with it, I go to the cockpit, which will probably be the most difficult part, because there are hardly any photos of it and in "Dübendorf" you didn't get a glimpse of it.

 

Hope you enjoy!

1rend_p16.png.9bd2d758f914a95a729aa087cf

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On 27/10/2018 at 13:20, nightfury34 said:

Well! After a longer break, I started to finish the model again. I was also in "Dübendorf" to take pictures of the last P-16.
I have been working on the fuselage now. This one is now closer to the real plane. I also have a bit more curves on the model to make it look smoother.
Now all I have to do is finish the air intakes and get to the wings. As soon as I'm finished with it, I go to the cockpit, which will probably be the most difficult part, because there are hardly any photos of it and in "Dübendorf" you didn't get a glimpse of it.

 

Hope you enjoy!

1rend_p16.png.9bd2d758f914a95a729aa087cf

I hope you still work on it my friend, you give me hope to see this plane one day in war thunder 

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