Großes Torpedoboot 1913-class torpedo boat
German torpedo boats in US after World War I. First ship on left is V43 of the Großes Torpedoboot 1913 class
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| Class overview | |
|---|---|
| Operators: |
 Kaiserliche Marine
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| Planned: | 71 |
| Completed: | 71 |
| Lost: | 62 |
| Scrapped: | 6 |
| General characteristics | |
| Type: | Torpedo boat |
| Displacement: | 975 tonnes (960 long tons) |
| Length: | 84.65 m (277 ft 9 in) |
| Beam: | 8.33 m (27 ft 4 in) |
| Draught: | 3.40 m (11 ft 2 in) |
| Complement: | 87 |
| Armament: |
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| Aircraft carried: | 1 × floatplane (on V25 briefly) |
The V25 class (also known as the Type 1913) was a class of torpedo boat built for the Imperial German Navy (Kaiserliche Marine). It was numerically the largest class ever built for the High Seas Fleet, consisting of 71 ships. Of the class, 32 were sunk during World War I, several to mines in the North Sea and Baltic Sea. Of those that survived the war 29 were scuttled with the German fleet at Scapa Flow, one was destroyed by a mine on the way there, four were given to Britain and were not scuttled while one was given to Italy and France.
The boats of the V25 class varied in dimensions, and they gradually increased in size as more vessels were built. The boats were 77.8 to 82.5 meters (255 to 271 ft) long at the waterline and 78.5 to 83.1 m (258 to 273 ft) long overall. They had beam of 8.32 to 8.36 m (27.3 to 27.4 ft) and a draft of 2.8 to 3.9 m (9 ft 2 in to 12 ft 10 in). Displacement ranged from 812 to 960 metric tons (799 to 945 long tons; 895 to 1,058 short tons) as designed and from 971 to 1,188 t (956 to 1,169 long tons; 1,070 to 1,310 short tons) at full load. They had a crew of three officers and eighty enlisted, though some of the boats had an additional two to four sailors. When serving as half-flotilla flagships, the boats would have a flotilla leader's staff of three officers and thirteen to fifteen enlisted men in addition to the standard crew.
The V25-class boats were propelled by a pair of steam turbines manufactured by the shipyard that built each boat. Steam was provided by three oil-fired water-tube boilers. The boats' engines were rated at 33.5 to 34.5 knots (62.0 to 63.9 km/h; 38.6 to 39.7 mph) from 24,000 shaft horsepower (18,000 kW), though most of the ships significantly exceeded these figures, in some cases by almost three knots. The boats had storage capacity for 220 to 338 t (217 to 333 long tons; 243 to 373 short tons) of fuel oil. As a result, cruising radius varied significantly, from 1,080 to 1,810 nautical miles (2,000 to 3,350 km; 1,240 to 2,080 mi) at 20 knots (37 km/h; 23 mph), with the first dozen boats having the least endurance. Each vessel was equipped with a pair of 28 kilowatts (38 hp) 110-Volt turbo-generators for electrical power. Steering was controlled with a pair of rudders; the primary at the stern, and a secondary, retractable rudder located in the bow.
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