S138-class torpedo boat Contents Design Ships Service history Footnotes References Navigation menuee

Torpedo boats of the Imperial German NavyWorld War I torpedo boats of Germany


torpedo boatsOttoman Navylong at the waterlinelong overallbeam (nautical)drafthullwatertight compartmentsV150flagshipsyawldinghyS138V160triple expansion steam enginesscrew propellerswater-tube boilerssteam turbinesAEGSchichau-WerkeZoellyGermaniawerftParsonsG169G172Scotch marine boilersV161oilknotsindicated horsepowerPSshaft horsepowerVoltruddersS1498.8 cm (3.5 in) SK L/35 gun5.2 cm (2 in) SK L/55 gunsV1558.8 cm SK L/30 gunsmuzzle velocityS142S144S146S153S155S165S168G170G175S178S179V180V186V189V190G192G1978.8 cm SK L/45 gunsWorld War I10.5 cm (4.1 in) SK L/45 gunstorpedo tubestorpedoesG174World War INorthBaltic SeasV187Battle of Heligoland BightV150sister shipV157Jade BightV188submarineE16V191light cruiserBremenWindauS176G194CleopatraV162G172war prizesAllied powersTreaty of VersaillesdestroyersT159T160T161T163T164T165T166T169T173T174T176T178T179T182T183T184T186T189T192T193T195T197T180T181T142T147T167T168T170T139T141T144T146T148T149T151T152T153T154T155T156T157T158T168T175T185T196tugboatflagshipWorld War IINeufahrwasserSkagerrakList of ships of the Imperial German Navy





































SMS V150 NH 45405.jpg

SMS V150 underway c. 1908

Class overview
Builders:
Schichau (S), AG Vulcan (V), Germaniawerft (G)
Operators:

  •  Imperial German Navy


  •  Ottoman Navy

Preceded by:
S90 class
Built:
1906–1911

In commission:

1907–1945
Completed:
65
General characteristics
Type:
Torpedo boat
Displacement:
  • 533 to 700 tonnes (525 to 689 long tons) designed

  • 684 to 824 tonnes (673 to 811 long tons) full load

Length:
70.7 to 74.2 m (231 ft 11 in to 243 ft 5 in) o/a
Beam:
7.8 to 7.9 m (26 to 26 ft)
Draft:
2.75 to 3.06 m (9 ft 0 in to 10 ft 0 in) (forward)
Installed power:
  • S138–V160:

  • 4 × coal-fired Scotch marine boilers

  • 10,500 to 10,800 indicated horsepower (10,600 to 11,000 PS)[a]

  • V162–G197:

  • 3 × coal-fired Scotch marine boilers

  • 1 × oil-fired Scotch marine boilers

  • 14,800 to 17,400 shaft horsepower (15,000 to 17,600 PS)

Propulsion:
  • S138–V160:

  • 2-shaft VTE

  • V161–S168, G173–197:

  • 2-shaft steam turbines

  • G169–172:

  • 3-shaft steam turbines

Speed:
30 to 32 kn (56 to 59 km/h; 35 to 37 mph)
Complement:
  • 3 officers

  • 77–81 enlisted

Armament:
  • S138–149:

  • 1 × 8.8 cm (3.46 in) SK L/35 gun

  • 3 × 5 cm (2.0 in) SK L/40 guns

  • 3 × 45 cm (17.7 in) torpedo tubes

  • V150–155:

  • 2 × 8.8 cm SK L/35 guns

  • 3 × 45 cm torpedo tubes

  • V156–G197:

  • 1 × 8.8 cm (3.46 in) SK L/35 gun

  • 2 × 5.2 cm (2 in) SK L/55 guns

  • 3 × 46 cm torpedo tubes[b]

The S138 class was a group of sixty-five torpedo boats built for the German Kaiserliche Marine (Imperial Navy) and the Ottoman Navy in the early 1900s. Almost all of the boats served with the German fleet, with only four being sold to the Ottoman Empire in 1910.




Contents





  • 1 Design

    • 1.1 General characteristics and machinery


    • 1.2 Armament



  • 2 Ships


  • 3 Service history


  • 4 Footnotes

    • 4.1 Notes


    • 4.2 Citations



  • 5 References




Design



General characteristics and machinery


The boats of the S138 class varied in dimensions, and they gradually increased in size as more vessels were built. The boats were 70.2 to 74 meters (230 ft 4 in to 242 ft 9 in) long at the waterline and 70.7 to 74.2 m (231 ft 11 in to 243 ft 5 in) long overall. They had beam (nautical) of 7.8 to 7.9 m (25 ft 7 in to 25 ft 11 in) and a draft of 2.75 to 3.06 m (9 ft 0 in to 10 ft 0 in) forward.[1] The hull for each boat was divided into thirteen watertight compartments, though after V150, they were reduced to twelve compartments. They had a crew of three officers and seventy-seven enlisted men, though from V150 onward, they had larger crews, with eighty-one enlisted men aboard. When serving as half-flotilla flagships, the boats would have a flotilla leader's staff of four officers and nine enlisted men in addition to the standard crew. The vessels carried a yawl and a dinghy apiece, though later in their careers they carried up to three yawls and the dinghy.[2]




Sailors loading bags of coal aboard one of the S138-class boats


The S138-class boats had a variety of different propulsion systems. The first group of boats, from S138 to V160, were propelled by a pair of vertical, 3-cylinder triple expansion steam engines that drove a pair of three-bladed screw propellers. Steam was provided by three coal-fired water-tube boilers. The rest of the members of the class received direct steam turbines of various manufacturers, including AEG, Schichau-Werke, Zoelly, Germaniawerft, and Parsons. All of the boats used the same two-shaft arrangement as the other members of the class, with the exception of the boats G169 through G172, which were equipped with six Parsons turbines driving three shafts. Steam for both the reciprocating and turbine engines was provided by four Scotch marine boilers; the boats from S138 through V161 had four coal-fired models, while the remainder of the class had three such boilers and one oil-fired version.[2]


The reciprocating engine-powered boats were rated at 30 knots (56 km/h; 35 mph) from 10,800 to 10,800 indicated horsepower (10,900 to 11,000 PS). The two-shaft turbine boats were rated at 14,600 to 17,300 shaft horsepower (14,800 to 17,500 PS) and 32 knots (59 km/h; 37 mph), while the three-shaft vessels were designed to reach 15,000 shp (15,000 PS) and 32 knots, respectively. The boats had storage capacity for 116 to 194 t (114 to 191 long tons; 128 to 214 short tons) of coal and, for those boats with oil-fired boilers, 60 to 181 t (59 to 178 long tons; 66 to 200 short tons) of fuel oil. As a result, cruising radius varied significantly, from 920 to 3,500 nautical miles (1,700 to 6,480 km; 1,060 to 4,030 mi) at 17 knots (31 km/h; 20 mph). Each vessel was equipped with two 17 kilowatts (23 hp) 110-Volt generators for electrical power. Steering was controlled with a pair of rudders, one at the stern and the other in the bow, the latter being retractable.[3]



Armament




Crew operating a deck-mounted torpedo tube aboard a German torpedo boat


The armament for the members of the S138 class changed as more vessels were built. The first eleven vessels, from S138 to S149 were equipped with one 8.8 cm (3.5 in) SK L/35 gun and three 5.2 cm (2 in) SK L/55 guns in single gun mounts. They carried one hundred 8.8 cm shells and four hundred and fifty 5.2 cm rounds. The boats from V150 to V155 only carried two 8.8 cm SK L/35 guns with two hundred rounds. The remainder of the class carried two 8.8 cm SK L/30 guns, also with two hundred shells. Both versions of the 8.8 cm gun fired a shell weighing 7 kg (15.4 lb); the shorter-barreled L/30 gun had a muzzle velocity of 670 meters per second (2,198 ft/s), while the L/35 version had a velocity of 770 m/s (2,526 ft/s). The L/30 gun could be elevated to 20 degrees, for a maximum range of 7,300 m (8,000 yd), while the L/35 gun could be elevated to 25 degrees, for a maximum range of 9,090 m (9,940 yd). The 5.2 cm guns fired a 2 kg (3.86 lb) shell at a muzzle velocity of 850 m/s (2,789 ft/s). The guns could elevate up to 20 degrees, at a maximum range of 7,100 m (7,770 yd).[2][4]


Throughout their careers, the boats had their armament modified. All of the first eleven vessels had their two of their 5.2 cm guns replaced with a second 8.8 cm SK L/35 gun, with the exception of S142 and S144 had all three of their 5.2 cm guns removed. S146, S153, S155, S165, S168, G170, G172 through G175, S178, S179, V180 through V186, V189, V190, and G192 through G197 had their 8.8 cm guns replaced with newer 8.8 cm SK L/45 guns; these guns fired a 10.0 kg (22 lb) shells at a muzzle velocity of 650 m/s (2,133 ft/s). At an elevation of 25 degrees, they could engage targets out to 9,600 m (10,500 yd). After World War I, many of the surviving vessels that still carried their older 8.8 cm guns had them replaced with the SK L/45 versions, and T185, T190, and T196 received two 10.5 cm (4.1 in) SK L/45 guns.[2][4]


All members of the class carried three torpedo tubes as their primary offensive armament; the first half of the class's tubes were 45 cm (18 in) in diameter, and they carried four torpedoes. From G174 onward, they were equipped with 50 cm (20 in) tubes with five torpedoes. All of these tubes were in single, deck-mounted launchers. In their postwar refit, T185, T190, and T196 had their original tubes replaced with four 50 cm tubes in double, deck-mounted launchers.[2]



Ships





S169 underway before World War I





V182 during peacetime









































































































































































































































































































































Service history





S149 in Kiel, c. 1908


Several members of the S138 class were lost during World War I in the North and Baltic Seas. V187 was sunk during the Battle of Heligoland Bight on 26 August 1914, one of the first major naval actions of the war.[7]V150 accidentally collided with her sister ship V157 while the pair were cruising in the Jade Bight shortly after midnight on 18 May 1915. V150 sank and 60 of her crew were killed in the accident.[8] On 26 July 1915, V188 was torpedoed and sunk by the British submarine E16 in the North Sea.[7] On 17 December 1915, V191 and the light cruiser Bremen ran into a Russian minefield off Windau; both vessels struck mines and sank, with heavy loss of life. Nearly a third of V191's crew were killed, 25 men, along 250 out of Bremen's crew of around 300.[9][10] A week later, a British mine claimed S176 on 23 December, though only seven men were killed in the sinking.[11] While on patrol in the North Sea on 26 March 1916, G194 encountered British naval forces, and the British light cruiser Cleopatra rammed and sank G194, killing 93 of her crew.[7] Sank after V162 striking a Russian mine in the Baltic on 15 August 1916; 15 of her crew were killed.[8] Two boats struck mines and sank in the North Sea on 7 July 1918. T138 was lost shortly after 01:00 and 32 of her crew were killed, and G172 was mined and sunk a little over three hours later, killing 16 of her crew.[12]


In 1917 and 1918, the members of the class were all renamed to replace the builder prefix with a standardized "T" prefix. Following Germany's defeat, many of the members of the S138 class were scrapped, either after having been seized as war prizes by the victorious Allied powers or by Germany to comply with the naval disarmament clauses of the Treaty of Versailles, which permitted Germany to retain only a small fleet that included just twelve destroyers and twelve torpedo boats.[6][13] The older S138-class boats constituted the bulk of those vessels that Germany was permitted to retain, while the more modern, turbine-powered boats were seized. Britain received the bulk of the class members, taking control of T159, T160, T161, T163, T164, T165, T166, T169, T173, T174, T176, T178, T179, T182, T183, T184, T186, T189, T192, T193, T195, and T197. T180 became a Brazilian war prize in 1920, and Japan received T181. All of the boats were scrapped in the early 1920s, with the exception of T189, which ran aground off the English coast in December 1920. Among those stricken by the postwar Reichsmarine to comply with the Versailles Treaty were T142, T147, T167, T168, T170; these boats were also scrapped in the early 1920s.[6]


The boats that continued on in service with the German fleet were T139, T141, T144, T146, T148, T149, T151, T152, T153, T154, T155, T156, T157, T158, T168, T175, T185, and T196. These boats served in a variety of roles in the 1920s and 1930s. Several of them were renamed and converted for training duties: T139 became Pfeil, T141 became the radio control ship Blitz, T153 became the range-finding training ship Eduard Jungmann. V151 was converted into a fast tugboat and she received the name Comet. T144, T149, T168, and T175 remained in active service and were scrapped in 1926–1927. Blitz, T143, T148, T152, T154 joined them at the breaker's yards between 1930 and 1935. Others, including T156 and T158, continued to serve with the fleet through the 1930s, while T196 became the flagship for the Minesweeper Command in 1938. In 1932, T185 was renamed Blitz and converted into a radio control ship to replace her sistership in that role. T190 was renamed Claus von Bevern in 1938 and was used in experiments.[6]


By the outbreak of World War II in September 1939, only a handful of the class remained in service. T157 was mined and sunk in Neufahrwasser on 22 October 1943 and T156—which had been renamed Bremse in 1944—and T155 were scuttled in the final days of the war. V185 and V196 were taken as Soviet war prizes and were renamed Vystrel and Pronzitelnyy, respectively; their ultimate fate is unknown. Claus von Bevern was seized by the United States and was scuttled in the Skagerrak in 1946. T151 and T153 also became US prizes; they were scrapped in 1948–1949. T155, Bremse, and T157 were all raised after the war and scrapped as well. T139 was still in service with the 24th U-boat Flotilla as of 1944, but records of her ultimate fate have not survived.[6]



Footnotes



Notes




  1. ^ V161's turbines were rated substantially higher, at 14,600 shaft horsepower (14,800 PS).[1]


  2. ^ From G174 through G197, the vessels carried four 50 cm (20 in) torpedo tubes.[2]




Citations




  1. ^ ab Gröner, p. 172.


  2. ^ abcdef Gröner, p. 173.


  3. ^ Gröner, pp. 172–173.


  4. ^ ab Gardiner & Gray, p. 140.


  5. ^ Gardiner & Gray, pp. 165–167.


  6. ^ abcdefg Gröner, pp. 174–176.


  7. ^ abc Gröner, p. 176.


  8. ^ ab Gröner, p. 174.


  9. ^ Halpern, p. 205.


  10. ^ Gröner, pp. 103, 176.


  11. ^ Gröner, p. 175.


  12. ^ Gröner, pp. 174–175.


  13. ^ Treaty of Versailles Section II: Naval Clauses, Article 181.



References



  • Gardiner, Robert; Gray, Randal, eds. (1984). Conway's All the World's Fighting Ships: 1906-1922. Annapolis: Naval Institute Press. ISBN 0-87021-907-3..mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em


  • Gröner, Erich (1990). German Warships: 1815–1945. Annapolis: Naval Institute Press. ISBN 0-87021-790-9.


  • Halpern, Paul G. (1991). A Naval History of World War I. Annapolis: Naval Institute Press. ISBN 0773507787.









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