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{|{{Infobox ship begin}}
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{{Infobox ship
{{Infobox ship image
 
 
|Ship image=[[File:USS-S-44-155a.jpg|300px|USS S-44]]
 
|Ship image=[[File:USS-S-44-155a.jpg|300px|USS S-44]]
 
|Ship caption= S-class submarine ''S-44''
 
|Ship caption= S-class submarine ''S-44''
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|module={{Infobox ship career|embed=yes
}}
 
{{Infobox Ship Career
 
|Hide header=
 
 
|Ship country= [[United States]]
 
|Ship country= [[United States]]
 
|Ship builder=Bethlehem Steel (S1 Class)
|Ship flag=
 
|Ship name=
 
|Ship namesake=
 
|Ship ordered=
 
|Ship builder=[[Bethlehem Steel]] (S1 Class)
 
|Ship laid down=
 
|Ship launched=
 
|Ship acquired=
 
 
|Ship commissioned= <br>[[USS S-1 (SS-105)]]: 1918 <br> [[USS S-47 (SS-158)]]: 1925
 
|Ship commissioned= <br>[[USS S-1 (SS-105)]]: 1918 <br> [[USS S-47 (SS-158)]]: 1925
|Ship decommissioned=
 
|Ship in service=
 
|Ship out of service=
 
|Ship struck=
 
|Ship reinstated=
 
|Ship fate=
 
|Ship status=
 
 
}}
 
}}
{{Infobox ship characteristics
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|module2={{Infobox ship characteristics|embed=yes
 
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|Hide header=
 
|Header caption=
 
|Header caption=
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|Ship notes=
 
|Ship notes=
 
}}
 
}}
|}
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}}
   
 
The [[United States]]' '''S-class submarines''', often simply called '''S-boats''' (sometimes '''"Sugar" boats''', after the then contemporary Navy phonetic alphabet for "S"), were the first class of submarines built to a [[United States Navy]] design.
 
The [[United States]]' '''S-class submarines''', often simply called '''S-boats''' (sometimes '''"Sugar" boats''', after the then contemporary Navy phonetic alphabet for "S"), were the first class of submarines built to a [[United States Navy]] design.
   
 
The United States Navy commissioned 51 S-Class submarines from 1920 to 1925. The first S-boat, {{USS|S-1|SS-105}}, was commissioned in 1918 and the last numerically, {{USS|S-51|SS-162}}, in 1922. The last of the class actually commissioned was {{USS|S-47|SS-158}} in 1925. The S class is subdivided into four groups of different designs:
 
The United States Navy commissioned 51 S-Class submarines from 1920 to 1925. The first S-boat, {{USS|S-1|SS-105}}, was commissioned in 1918 and the last numerically, {{USS|S-51|SS-162}}, in 1922. The last of the class actually commissioned was {{USS|S-47|SS-158}} in 1925. The S class is subdivided into four groups of different designs:
*Group I (''S-1'' class, or "Holland" type):''S-1'' and ''S-18''&ndash;''S-41'', built by [[Bethlehem Steel]] at [[Fore River Shipyard]] in [[Quincy, Massachusetts]] and [[Union Iron Works]] in San Francisco, California, as subcontractor for [[General Dynamics Electric Boat|Electric Boat Company]] (Elco).
+
*Group I (''S-1'' class, or "Holland" type):''S-1'' and ''S-18''&ndash;''S-41'', built by Bethlehem Steel at Fore River Shipyard in Quincy, Massachusetts and Union Iron Works in San Francisco, California, as subcontractor for Electric Boat Company (Elco).
*Group II (''S-3'' class, or "Navy Yard" type):''S-3''-''S-17'', built at the [[Portsmouth Navy Yard]] and [[Lake Torpedo Boat]] at [[Bridgeport, Connecticut]].
+
*Group II (''S-3'' class, or "Navy Yard" type):''S-3''-''S-17'', built at the [[Portsmouth Navy Yard]] and Lake Torpedo Boat at Bridgeport, Connecticut.
 
*Group III (''S-42'' class): ''S-42''-''S-47'', built at Fore River.
 
*Group III (''S-42'' class): ''S-42''-''S-47'', built at Fore River.
 
*Group IV (''S-48'' class): ''S-48''-''S-51'', built by Lake.
 
*Group IV (''S-48'' class): ''S-48''-''S-51'', built by Lake.
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The first S-boat, S-1, was launched on 26 September 1918, by Bethlehem at Fore River, but not commissioned until 5 June 1920.<ref>Lenton, p.16.</ref>
 
The first S-boat, S-1, was launched on 26 September 1918, by Bethlehem at Fore River, but not commissioned until 5 June 1920.<ref>Lenton, p.16.</ref>
   
The S-boats were improvements over the [[United States O class submarine|O]]- and [[United States R class submarine|R]]-boats. They were substantially larger. Compared to the R-boats, Group I S-boats were {{convert|33|ft|m|1}} longer, with {{convert|3|ft|3|in|m|1}} more [[Beam (nautical)|beam]], {{convert|2|ft|3|in|m|1}} more draft, and 60% greater [[Displacement (ship)|displacement]]. This allowed for greater range, larger engines and higher speed, and more [[torpedo]] reloads, though the number of forward [[torpedo tubes]] was still four. Seven of the Group II and all the Group IV boats had an additional stern tube. Group IV was also longer and had less draft.<ref>Lenton, p.15 & 17.</ref><ref>Silverstone, Paul. ''U.S. Warships of World War I'' (Ian Allan, 1970), pp. 144-150</ref> In 1923, {{USS|S-1|SS-105}} experimented with a seaplane (an idea the Japanese would adopt).
+
The S-boats were improvements over the [[United States O class submarine|O]]- and [[United States R class submarine|R]]-boats. They were substantially larger. Compared to the R-boats, Group I S-boats were {{convert|33|ft|m|1}} longer, with {{convert|3|ft|3|in|m|1}} more beam, {{convert|2|ft|3|in|m|1}} more draft, and 60% greater displacement. This allowed for greater range, larger engines and higher speed, and more [[torpedo]] reloads, though the number of forward [[torpedo tubes]] was still four. Seven of the Group II and all the Group IV boats had an additional stern tube. Group IV was also longer and had less draft.<ref>Lenton, p.15 & 17.</ref><ref>Silverstone, Paul. ''U.S. Warships of World War I'' (Ian Allan, 1970), pp. 144-150</ref> In 1923, {{USS|S-1|SS-105}} experimented with a seaplane (an idea the Japanese would adopt).
   
 
==Service==
 
==Service==
These boats saw service in World War II in both the Atlantic and the Pacific. Smaller and slower than many of the submarines produced for war service, and lacking the range for Pacific Ocean patrols (as well as being 20 years old), they were used in reconnaissance and supply roles, as well as for coastal defense, such as in the [[Alaska]] theater during the aftermath of the [[Battle of the Aleutian Islands]]. They were withdrawn in mid-1943 as [[Submarine#Submarines during World War II|fleet submarine]]s became available, and were relegated to [[antisubmarine warfare|ASW]] training. Most of the surviving boats were scrapped in 1946.
+
These boats saw service in World War II in both the Atlantic and the Pacific. Smaller and slower than many of the submarines produced for war service, and lacking the range for Pacific Ocean patrols (as well as being 20 years old), they were used in reconnaissance and supply roles, as well as for coastal defense, such as in the Alaska theater during the aftermath of the [[Battle of the Aleutian Islands]]. They were withdrawn in mid-1943 as [[Submarine#Submarines during World War II|fleet submarine]]s became available, and were relegated to [[antisubmarine warfare|ASW]] training. Most of the surviving boats were scrapped in 1946.
   
 
In World War II, S-class boats did not use the newer [[Mark 14 torpedo]], standard in fleet submarines, due to shorter torpedo tubes, relying on the World War I-vintage [[Mark 10 torpedo|Mark 10]], instead. (Due to production shortages, many fleet boats used Mark 10s, also.) Since the Mark 14 suffered from a high failure rate early in the war, this was not necessarily a disadvantage.
 
In World War II, S-class boats did not use the newer [[Mark 14 torpedo]], standard in fleet submarines, due to shorter torpedo tubes, relying on the World War I-vintage [[Mark 10 torpedo|Mark 10]], instead. (Due to production shortages, many fleet boats used Mark 10s, also.) Since the Mark 14 suffered from a high failure rate early in the war, this was not necessarily a disadvantage.
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Some were transferred to other navies, such as the six transferred to the British [[Royal Navy]]. These were mostly used for training in anti-submarine warfare and removed from service by mid-1944.
 
Some were transferred to other navies, such as the six transferred to the British [[Royal Navy]]. These were mostly used for training in anti-submarine warfare and removed from service by mid-1944.
   
== General characteristics ==
+
==General characteristics==
   
=== Group I ===
+
===Group I===
 
*Displacement: 854 tons surfaced; 1,062 tons submerged
 
*Displacement: 854 tons surfaced; 1,062 tons submerged
 
*Length: {{convert|219|ft|3|in|m|1}}
 
*Length: {{convert|219|ft|3|in|m|1}}
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*Propulsion: 2 × [[New London Ship and Engine Company]] (NELSECO) diesels, 600&nbsp;hp (448&nbsp;kW) each; 2 × Electro-Dynamic (''S-1'', ''S-30''-''S-35''), Ridgway (''S-18'', ''S-20'' through ''S-29''), or General Electric (''S-36'' through ''S-41'') electric motors, {{convert|750|hp|kW}} each; 120 cell [[Exide]] battery; two shafts.<ref name="Lenton, p.19"/>
 
*Propulsion: 2 × [[New London Ship and Engine Company]] (NELSECO) diesels, 600&nbsp;hp (448&nbsp;kW) each; 2 × Electro-Dynamic (''S-1'', ''S-30''-''S-35''), Ridgway (''S-18'', ''S-20'' through ''S-29''), or General Electric (''S-36'' through ''S-41'') electric motors, {{convert|750|hp|kW}} each; 120 cell [[Exide]] battery; two shafts.<ref name="Lenton, p.19"/>
 
*Bunkerage: 168 tons oil fuel
 
*Bunkerage: 168 tons oil fuel
*Speed: 14.5 [[knot (unit)|knot]]s (27&nbsp;km/h) surfaced; 11 knots (20&nbsp;km/h) submerged
+
*Speed: 14.5 knots (27&nbsp;km/h) surfaced; 11 knots (20&nbsp;km/h) submerged
 
*Range: 5,000 miles (8,000&nbsp;km) at 10 knots (19&nbsp;km/h) surfaced
 
*Range: 5,000 miles (8,000&nbsp;km) at 10 knots (19&nbsp;km/h) surfaced
 
*Test depth: 200&nbsp;ft (61 m)
 
*Test depth: 200&nbsp;ft (61 m)
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*Boats in Group: ''S-1'', ''S-18'' through ''S-41''
 
*Boats in Group: ''S-1'', ''S-18'' through ''S-41''
   
=== Group II ===
+
===Group II===
 
*Displacement: 876 tons surfaced; 1,092 tons submerged
 
*Displacement: 876 tons surfaced; 1,092 tons submerged
 
*Length: {{convert|231|ft|m|1}}
 
*Length: {{convert|231|ft|m|1}}
 
*Beam: {{convert|21|ft|9|in|m|1}}
 
*Beam: {{convert|21|ft|9|in|m|1}}
 
*Draft: {{convert|13|ft|4|in|m|1}}<ref>Lenton, p. 21.</ref>
 
*Draft: {{convert|13|ft|4|in|m|1}}<ref>Lenton, p. 21.</ref>
*Propulsion: 2 × [[MAN SE|M.A.N]] (''S-3'' through ''S-13'') or [[Busch-Sulzer]] (''S-14'' through ''S-17'') diesels, 1,000&nbsp;hp (746&nbsp;kW) each; 2 × Westinghouse electric motors, 600&nbsp;hp (447&nbsp;kW) each; 120-cell Exide battery; two shafts.<ref name="Lenton, p.19"/>
+
*Propulsion: 2 × M.A.N (''S-3'' through ''S-13'') or [[Busch-Sulzer]] (''S-14'' through ''S-17'') diesels, 1,000&nbsp;hp (746&nbsp;kW) each; 2 × Westinghouse electric motors, 600&nbsp;hp (447&nbsp;kW) each; 120-cell Exide battery; two shafts.<ref name="Lenton, p.19"/>
 
*Speed: 15 knots (28&nbsp;km/h) surfaced; 11 knots (20&nbsp;km/h) submerged
 
*Speed: 15 knots (28&nbsp;km/h) surfaced; 11 knots (20&nbsp;km/h) submerged
 
*Bunkerage: 148 tons oil fuel<ref name="Lenton, p.21">Lenton, p.21.</ref>
 
*Bunkerage: 148 tons oil fuel<ref name="Lenton, p.21">Lenton, p.21.</ref>
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*Boats in Group: ''S-3'' through ''S-17''
 
*Boats in Group: ''S-3'' through ''S-17''
   
=== Group III ===
+
===Group III===
 
*Displacement: 906 tons surfaced; 1,126 tons submerged
 
*Displacement: 906 tons surfaced; 1,126 tons submerged
 
*Length: {{convert|216|ft|m|1}}, {{convert|225|ft|3|in|m|1}} overall
 
*Length: {{convert|216|ft|m|1}}, {{convert|225|ft|3|in|m|1}} overall
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*Boats in Group: ''S-42'' through ''S-47''
 
*Boats in Group: ''S-42'' through ''S-47''
   
=== Group IV ===
+
===Group IV===
 
*Displacement: 903 tons surfaced; 1230 tons submerged
 
*Displacement: 903 tons surfaced; 1230 tons submerged
 
*Length: {{convert|240|ft|m|1}}, {{convert|266|ft|m|1}} overall
 
*Length: {{convert|240|ft|m|1}}, {{convert|266|ft|m|1}} overall
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*Boats in Group: ''S-48'' through ''S-51''
 
*Boats in Group: ''S-48'' through ''S-51''
   
=== ''S-2'' ===
+
===''S-2''===
 
*Displacement: 800 tons surfaced; 977 tons submerged
 
*Displacement: 800 tons surfaced; 977 tons submerged
 
*Length: {{convert|207|ft|m|1}} overall
 
*Length: {{convert|207|ft|m|1}} overall
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*Crew: 42 officers and men
 
*Crew: 42 officers and men
   
== S-boat fates ==
+
==S-boat fates==
 
All S-boats were scrapped after World War II except those listed below.
 
All S-boats were scrapped after World War II except those listed below.
   
=== Lost at sea between wars ===
+
===Lost at sea between wars===
 
*{{USS|S-4|SS-109}} - Sunk 1927 later raised, recommissioned, and served before being finally sunk 1936
 
*{{USS|S-4|SS-109}} - Sunk 1927 later raised, recommissioned, and served before being finally sunk 1936
 
*{{USS|S-5|SS-110}} - lost September 1, 1920
 
*{{USS|S-5|SS-110}} - lost September 1, 1920
 
*{{USS|S-51|SS-162}}-sunk 1925; raised and later scrapped 1930
 
*{{USS|S-51|SS-162}}-sunk 1925; raised and later scrapped 1930
   
=== Scrapped between World War I and World War II ===
+
===Scrapped between World War I and World War II===
 
*{{USS|S-2|SS-106}}
 
*{{USS|S-2|SS-106}}
 
*{{USS|S-3|SS-107}}
 
*{{USS|S-3|SS-107}}
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*{{USS|S-50|SS-161}}
 
*{{USS|S-50|SS-161}}
   
=== Transferred to the Royal Navy during World War II ===
+
===Transferred to the Royal Navy during World War II===
 
*{{USS|S-1|SS-105}} to RN as ''P 552'' in 1942, removed from service Jan 1944; scrapped 1945
 
*{{USS|S-1|SS-105}} to RN as ''P 552'' in 1942, removed from service Jan 1944; scrapped 1945
 
*{{USS|S-21|SS-126}} (as ''P 553'') Sunk as target 23 March 1945
 
*{{USS|S-21|SS-126}} (as ''P 553'') Sunk as target 23 March 1945
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*{{USS|S-29|SS-134}} (as ''P 556'') scrapped 1947
 
*{{USS|S-29|SS-134}} (as ''P 556'') scrapped 1947
   
=== Lost during World War II ===
+
===Lost during World War II===
*{{USS|S-26|SS-131}} was destroyed in a collision with {{USS|SC-460||2}} in the [[Gulf of Panama]] 24 January 1942<ref name="Lenton, p.18">Lenton, p.18.</ref>
+
*{{USS|S-26|SS-131}} was destroyed in a collision with {{USS|SC-460||2}} in the Gulf of Panama 24 January 1942<ref name="Lenton, p.18">Lenton, p.18.</ref>
 
*{{USS|S-27|SS-132}}, {{USS|S-36|SS-141}}, and {{USS|S-39|SS-144}} were wrecked when they ran aground
 
*{{USS|S-27|SS-132}}, {{USS|S-36|SS-141}}, and {{USS|S-39|SS-144}} were wrecked when they ran aground
 
*{{USS|S-28|SS-133}} wrecked 4 July 1944<ref name="Lenton, p.18"/> by a flooding casualty off [[Pearl Harbor]]
 
*{{USS|S-28|SS-133}} wrecked 4 July 1944<ref name="Lenton, p.18"/> by a flooding casualty off [[Pearl Harbor]]
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{{reflist|2}}
 
{{reflist|2}}
   
== External links ==
+
==External links==
 
*[http://homepage.eircom.net/~steven/images/ss-125_s-20.gif A picture]
 
*[http://homepage.eircom.net/~steven/images/ss-125_s-20.gif A picture]
   
 
{{United States S class submarine}}
 
{{United States S class submarine}}
 
{{WWIIUSShips}}
 
{{WWIIUSShips}}
  +
 
{{Wikipedia|United States S-class submarine}}
   
 
{{DEFAULTSORT:United States S Class Submarine}}
 
{{DEFAULTSORT:United States S Class Submarine}}
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[[Category:World War II submarines of the United States| S class]]
 
[[Category:World War II submarines of the United States| S class]]
 
[[Category:United States S-class submarines|United States S-class submarines]]
 
[[Category:United States S-class submarines|United States S-class submarines]]
 
{{Wikipedia|United States S-class submarine}}
 

Latest revision as of 18:05, 3 April 2017

United States S-class submarine
USS S-44
S-class submarine S-44
Career (United States)
Builder: Bethlehem Steel (S1 Class)
Commissioned:
USS S-1 (SS-105): 1918
USS S-47 (SS-158): 1925
General characteristics
Class & type: S Class
Displacement: At most 906 tons surfaced, 1230 Submerged
Length: 240-207 ft.
Draught: 19ft 3in-21ft 9 in
Speed: >15 knots
Range: 5,000 miles (8,047 kilometres)
Test depth: 200 ft (70 metres)

The United States' S-class submarines, often simply called S-boats (sometimes "Sugar" boats, after the then contemporary Navy phonetic alphabet for "S"), were the first class of submarines built to a United States Navy design.

The United States Navy commissioned 51 S-Class submarines from 1920 to 1925. The first S-boat, USS S-1 (SS-105), was commissioned in 1918 and the last numerically, USS S-51 (SS-162), in 1922. The last of the class actually commissioned was USS S-47 (SS-158) in 1925. The S class is subdivided into four groups of different designs:

  • Group I (S-1 class, or "Holland" type):S-1 and S-18S-41, built by Bethlehem Steel at Fore River Shipyard in Quincy, Massachusetts and Union Iron Works in San Francisco, California, as subcontractor for Electric Boat Company (Elco).
  • Group II (S-3 class, or "Navy Yard" type):S-3-S-17, built at the Portsmouth Navy Yard and Lake Torpedo Boat at Bridgeport, Connecticut.
  • Group III (S-42 class): S-42-S-47, built at Fore River.
  • Group IV (S-48 class): S-48-S-51, built by Lake.

S-2 was a prototype built by Lake, and was not repeated.

S-1, S-2, and S-3 were prototypes built to the same specification: S-1 designed by Electric Boat (Elco), S-2 by Lake, and S-3 by the Bureau of Construction and Repair (later Bureau of Ships).[1] The Lake boat was considered inferior. The Elco and BuC&R designs were put into production.

The first S-boat, S-1, was launched on 26 September 1918, by Bethlehem at Fore River, but not commissioned until 5 June 1920.[2]

The S-boats were improvements over the O- and R-boats. They were substantially larger. Compared to the R-boats, Group I S-boats were 33 feet (10.1 m) longer, with 3 feet 3 inches (1.0 m) more beam, 2 feet 3 inches (0.7 m) more draft, and 60% greater displacement. This allowed for greater range, larger engines and higher speed, and more torpedo reloads, though the number of forward torpedo tubes was still four. Seven of the Group II and all the Group IV boats had an additional stern tube. Group IV was also longer and had less draft.[3][4] In 1923, USS S-1 (SS-105) experimented with a seaplane (an idea the Japanese would adopt).

Service

These boats saw service in World War II in both the Atlantic and the Pacific. Smaller and slower than many of the submarines produced for war service, and lacking the range for Pacific Ocean patrols (as well as being 20 years old), they were used in reconnaissance and supply roles, as well as for coastal defense, such as in the Alaska theater during the aftermath of the Battle of the Aleutian Islands. They were withdrawn in mid-1943 as fleet submarines became available, and were relegated to ASW training. Most of the surviving boats were scrapped in 1946.

In World War II, S-class boats did not use the newer Mark 14 torpedo, standard in fleet submarines, due to shorter torpedo tubes, relying on the World War I-vintage Mark 10, instead. (Due to production shortages, many fleet boats used Mark 10s, also.) Since the Mark 14 suffered from a high failure rate early in the war, this was not necessarily a disadvantage.

Some were transferred to other navies, such as the six transferred to the British Royal Navy. These were mostly used for training in anti-submarine warfare and removed from service by mid-1944.

General characteristics

Group I

  • Displacement: 854 tons surfaced; 1,062 tons submerged
  • Length: 219 feet 3 inches (66.8 m)
  • Beam: 20 feet 9 inches (6.3 m)
  • Draft: 16 feet (4.9 m)[5]
  • Propulsion: 2 × New London Ship and Engine Company (NELSECO) diesels, 600 hp (448 kW) each; 2 × Electro-Dynamic (S-1, S-30-S-35), Ridgway (S-18, S-20 through S-29), or General Electric (S-36 through S-41) electric motors, 750 horsepower (560 kW) each; 120 cell Exide battery; two shafts.[5]
  • Bunkerage: 168 tons oil fuel
  • Speed: 14.5 knots (27 km/h) surfaced; 11 knots (20 km/h) submerged
  • Range: 5,000 miles (8,000 km) at 10 knots (19 km/h) surfaced
  • Test depth: 200 ft (61 m)
  • Armament (as built): 4 × 21 in (533 mm) torpedo tubes (bow, 12 torpedoes);[5] 1 × 4 in (102 mm)/50 cal deck gun[6]
  • Crew: 42 officers and men
  • Boats in Group: S-1, S-18 through S-41

Group II

  • Displacement: 876 tons surfaced; 1,092 tons submerged
  • Length: 231 feet (70.4 m)
  • Beam: 21 feet 9 inches (6.6 m)
  • Draft: 13 feet 4 inches (4.1 m)[7]
  • Propulsion: 2 × M.A.N (S-3 through S-13) or Busch-Sulzer (S-14 through S-17) diesels, 1,000 hp (746 kW) each; 2 × Westinghouse electric motors, 600 hp (447 kW) each; 120-cell Exide battery; two shafts.[5]
  • Speed: 15 knots (28 km/h) surfaced; 11 knots (20 km/h) submerged
  • Bunkerage: 148 tons oil fuel[8]
  • Range: 5,000 nautical miles (9,000 km) at 10 knots (19 km/h) surfaced
  • Test depth: 200 ft (61 m)
  • Armament (as built): 4 × 21 in (533 mm) torpedo tubes (bow, 12 torpedoes) or (S-11 through S-13) 5 (four forward, one aft, 14 torpedoes);[8] 1 × 4 in (102 mm)/50 cal deck gun[9]
  • Crew: 42 officers and men
  • Boats in Group: S-3 through S-17

Group III

  • Displacement: 906 tons surfaced; 1,126 tons submerged
  • Length: 216 feet (65.8 m), 225 feet 3 inches (68.7 m) overall
  • Beam: 20 feet 9 inches (6.3 m)
  • Draft: 16 feet (4.9 m)[10]
  • Propulsion: 2 × NELSECO diesels, 600 hp (448 kW) each; 2 × Electro-Dynamic electric motors, 750 horsepower (560 kW) each; 120 cell Exide battery; two shafts.[11]
  • Speed: 15 knots (28 km/h) surfaced; 11 knots (20 km/h) submerged
  • Bunkerage: 185 tons oil fuel[10]
  • Range: 5,000 nautical miles (9,000 km) at 10 knots (19 km/h) surfaced
  • Test depth: 200 ft (61 m)
  • Armament (as built): 4 × 21 in (533 mm) torpedo tubes (bow, 12 torpedoes); 1 × 4 in (102 mm)/50 cal deck gun[9]
  • Crew: 42 officers and men
  • Boats in Group: S-42 through S-47

Group IV

  • Displacement: 903 tons surfaced; 1230 tons submerged
  • Length: 240 feet (73.2 m), 266 feet (81.1 m) overall
  • Beam: 21 feet 9 inches (6.6 m)
  • Draft: 13 feet 6 inches (4.1 m)[10]
  • Propulsion: 2 × Busch-Sulzer diesels, 900 hp (670 kW) each; 2 × Ridgway electric motors, 750 horsepower (560 kW) each; 120 cell Exide battery; two shafts.[12]
  • Bunkerage: 177 tons oil fuel[10]
  • Speed: 14.5 knots (27 km/h) surfaced; 11 knots (20 km/h) submerged
  • Range: 8,000 nautical miles (15,000 km) at 10 knots (19 km/h) surfaced
  • Depth: 200 ft (61 m)
  • Armament (as built): 4 × 21 in (533 mm) torpedo tubes (bow, 12 torpedoes); 1 × 4 in (102 mm)/50 cal deck gun[9]
  • Crew: 42 officers and men
  • Boats in Group: S-48 through S-51

S-2

  • Displacement: 800 tons surfaced; 977 tons submerged
  • Length: 207 feet (63.1 m) overall
  • Beam: 19 feet 6 inches (5.9 m)
  • Draft: 16 feet 3 inches (5.0 m)[13]
  • Propulsion: 2 × diesels, 900 hp (670 kW) each; 2 × electric motors, 750 horsepower (560 kW) each; two shafts.[13]
  • Speed: 15 knots (28 km/h) surfaced; 11 knots (20 km/h) submerged
  • Range: 8,000 nautical miles (15,000 km) at 10 knots (19 km/h) surfaced
  • Depth: 200 ft (61 m)
  • Armament (as built): 4 × 21 in (533 mm) torpedo tubes (bow, 12 torpedoes);[13] 1 × 4 in (102 mm)/50 cal deck gun[9]
  • Crew: 42 officers and men

S-boat fates

All S-boats were scrapped after World War II except those listed below.

Lost at sea between wars

Scrapped between World War I and World War II

Transferred to the Royal Navy during World War II

Lost during World War II

Notes and references

  1. Lenton, H. T. American Submarines (Doubleday, 1973), p.17.
  2. Lenton, p.16.
  3. Lenton, p.15 & 17.
  4. Silverstone, Paul. U.S. Warships of World War I (Ian Allan, 1970), pp. 144-150
  5. 5.0 5.1 5.2 5.3 Lenton, p.19.
  6. Campbell, John Naval Weapons of World War Two (Naval Institute Press, 1985), ISBN 0-87021-459-4, p.143.
  7. Lenton, p. 21.
  8. 8.0 8.1 Lenton, p.21.
  9. 9.0 9.1 9.2 9.3 Campbell, p.143.
  10. 10.0 10.1 10.2 10.3 Lenton, p. 23.
  11. Lenton, pp. 19, 23.
  12. Lenton, p.23.
  13. 13.0 13.1 13.2 Silverstone, p. 148.
  14. 14.0 14.1 Lenton, p.18.

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