- Yes
- No
- Tech Tree
- Event/Reward Ship
- Squadron Ship
- Premium Ship
- I said No in the first question
- 3.7
- 4.0
- 4.3
- 4.7+
- I said no in the first question
This is a suggestion for an Imperial German Navy light cruiser SMS Karlsruhe (1914) of the Karlsruhe class of two such warships. The design of the class is not exactly a clean sheet one, instead, it was an incremental improvement of the previous Magdeburg class, being faster and having an increased displacement, albeit having the same armament and armor protection.
Gameplay wise, it would be quite similar to SMS Elbing, although with some differences. It would be slightly faster, and would have a different weapons layout: more guns than SMS Elbing, faster rate of fire, but the guns would be a bit weaker. It would also have a slightly different armor layout. On one hand, having previously stated characteristics in mind, it can be said that the larger number of guns and the quicker firing rate would give it an edge over SMS Elbing when it comes to fighting lighter vessels like destroyers, frigates, and especially gunboats, patrol boats and torpedo boats. On the other hand however, the smaller caliber of the said guns and the lower number of crew members would make it less survivable against more capable destroyers and other cruisers.
History
As tensions rose in Europe, a war seemed eminent, therefore more or less all powerful countries started ambitious naval armament programs, Germany taking theirs especially seriously. With this enlarged fleet came a need for higher numbers of advanced light cruisers which would not only to serve as screens for capital ships, but also would raid commerce and participate in overseas deployments as they were relatively inexpensive to operate, and didn’t require as much infrastructure as larger vessels.
As part of this modernization, SMS Karlsruhe was ordered under the contract name “Ersatz Seeadler”, and was laid down in 1911. entering service in January of 1914, just months before the outset of World War 1. At the time of wars start, SMS Karlsruhe was on an overseas deployment in the Caribbean during this time of high tensions and as such had standing orderes to conduct commerce raiding should a war begin.
It was still in the region when the war began and in early August met up with ocean liner Kronprinz Wilhelm with the intention of converting it to an auxiliary cruiser. Only two 8.8cm guns, a handful of machine guns and a few sailors were transferred before being interrupted by the British fleet. It managed to escape due to its superior speed, albeit not unscathed.
Low on coal, she sailed to Puerto Rico to resupply before heading to Brazil, as there was less Royal Navy activity there. After a few coaling stops (including Curaçao), she began commerce raiding in mid August and sank or captured 16 ships in total before her captain decided to move the operations to the Caribbean so as to avoid getting detected.
On November 4 1914, a catastrophic explosion occurred and split the ship in two, taking most of the crew, including the captain, down with her. The survivors, 146 of them in total, returned to Germany, however the sinking was kept secret which meant that the British spent several months looking for the vessel.
Design
The light cruiser SMS Karlsruhe was the lead ship of Karlsruhe class light cruisers, an evolution of the earlier Magdeburg class, and just like the preceding classes, it too was intended for speed, scouting, and independent operations. Her relatively light structure and streamlined hull allowed her to reach high speeds, making her well suited for outrunning stronger ships and pursuing weaker targets. Powered by 2 steam turbines and coal and 14 fuel oil and coal mix fired water tube boilers, she achieved speeds of around 28 knots, this however came at the cost of heavy fuel consumption and frequent reliance on supply ships. Protection was modest, with armor concentrated around vital areas such as the deck and conning tower rather than the entire hull, reflecting her intended role as a fast, mobile cruiser rather than a heavily armored combatant.
Her armament was also typical for German light cruisers of the period, consisting primarily of twelve 10.5 cm SK L/45 guns arranged to provide broad coverage. The main battery was supported by 2 torpedo tubes, with it also possessing the capability to lay mines. This setup allowed her to effectively engage merchant ships and defend herself against similarly sized opponents, though she was not designed to face larger warships directly. Overall, the design of Karlsruhe balanced speed, firepower, and operational flexibility, making her an effective commerce raider early in the war, albeit one that depended heavily on careful planning and logistical support.
Specifications
Technical Data
Displacement: 4900t (normal) 6190t (full load)
Length: 142.2m (overall) 139 (waterline)
Draught: 6.2m (full load)
No of shafts (propellers): 2
Machinery: 2 Steam turbines 14 Water tube boilers
Power: 26000hp (19000kW)
Speed: 27.8kn (51.4 km/h; 31.9 mph)
Fuel: Coal 1300t + Oil 200t
Endurance: 5000nm (at 12kts)
Armour (mm): Belt: 60 - 18, Deck: 40 - 20, Slopes: 60 - 40, Glacises: 100, Coning Tower: 100, Gun Shields: 50
Weaponry
12 x 1 - 10.5 cm (4.1 in) SK L/45 guns
Projectile types and weight:
- SAP L/3,8: 35.3 lbs. (16.0 kg)
- HE L/3,4 nose fuze: 38.55 lbs. (17.5 kg)
Bursting Charge:
- SAP L/3,8: 2.57 lbs. (1.17 kg) TNT
- HE L/3,4 nose fuze: 1.7 lbs. (0.774 kg) TNT
2 × 50 cm (19.7 in) Torpedo Tubes
120 Mines
Images
Sources
Germany 10.5 cm/45 (4.1") SK C/06, Flak L/45, Tbts L/45 and Ubts L/45 - NavWeaps
https://navypedia.org/ships/germany/ger_cr_karlsruhe.htm
KarlsruheClass Cruiser - SMS Karlsruhe, Rostock
SMS Karlsruhe - Wikipedia (photos)
https://www.the-blueprints.com/blueprints-depot/ships/cruisers-germany/sms-karlsruhe-1916-light-cruiser.png (photos)
https://www.wrecksite.eu/img/wrecks/karlsruhe_sunk_1914.jpg?520b66d4-a4bc-4506-9672-73c9f708be4b (photos)