American 21-inch torpedo
There have been a number of 21-inch torpedoes in service with the United States. These have been used on ships and submarines of the US Navy. American "21-inch" torpedoes are 533 millimetres (21.0 in) in diameter.
Ship classes that carried 21-inch torpedoes include:
- Allen M. Sumner-class destroyers
- Bagley-class destroyers
- Balao-class submarines
- Barbel-class submarines
- Barracuda-class submarines
- Benham-class destroyers
- Benjamin Franklin-class submarines
- Benson-class destroyers
- Cachalot-class submarines
- Caldwell-class destroyers
- Cassin-class destroyers
- Chester-class cruisers
- Clemson-class destroyers
- Colorado-class battleships
- Connecticut-class battleships
- Dealey-class destroyer escorts
- Farragut-class destroyers
- Forrest Sherman-class destroyers
- Fletcher-class destroyers
- Gato-class submarines
- Gearing-class destroyers
- Gleaves-class destroyers
- Grayback-class submarines
- Gridley-class destroyers
- John C. Butler-class destroyer escorts
- Lexington-class battlecruisers
- Los Angeles-class submarines
- Mahan-class destroyers
- Mitscher-class destroyers
- O'Brien-class destroyers
- Ohio-class submarines
- Omaha-class cruisers
- Permit-class submarines
- Porter-class destroyers
- PT boats
- R-class submarines
- Rudderow-class destroyer escorts
- S-class submarines
- Sailfish-class submarines
- Sampson-class destroyers
- Sargo-class submarines
- Sims-class destroyers
- Skate-class submarines
- Skipjack-class submarines
- Somers-class destroyers
- South Dakota-class battleships
- Sturgeon-class submarines
- T-1-class submarines
- Tambor-class submarines
- Tang-class submarines
- Tench-class submarines
- Tennessee-class cruisers
- Tucker-class destroyers
- V-boat submarines
- Virginia-class battleships
- Virginia-class submarines
- Wickes-class destroyers
| Name | Country | In service date | Platform / target | Dimensions | Warhead | Propulsion | Performance |
|---|---|---|---|---|---|---|---|
| Mark 1 (Bliss-Leavitt) |  | 1904–1922 | Surface / Surface | Diameter:21 in (53 cm) Length:16.4 ft (5.0 m) Weight:1,500 lb (680 kg) | 200 lb (91 kg) Guncotton | Single vertical turbine wheel | Speed:27 kn (50 km/h) Range:4,000 yd (3.7 km) |
| Mark 2 (Bliss-Leavitt) | | 1905–1922 | Surface / Surface | Diameter:21 in (53 cm) Length:16.4 ft (5.0 m) Weight:1,500 lb (680 kg) | 200 lb (91 kg) Guncotton | Turbine (contra-rotating) | Speed:26 kn (48 km/h) Range:3,500 yd (3.2 km) |
| Mark 3 (Bliss-Leavitt) | | 1906–1922 | Surface / Surface | Diameter:21 in (53 cm) Length:16.4 ft (5.0 m) Weight:1,500 lb (680 kg) | 200 lb (91 kg) Guncotton | Turbine (contra-rotating) | Speed:26 kn (48 km/h) Range:4,000 yd (3.7 km) |
| Mark 8 (Bliss-Leavitt) | | 1911–1945 | Surface / Surface | Diameter:21 in (53 cm) Length:21.3 ft (6.5 m) Weight:2,600 lb (1,200 kg) | Mk.8 Mod 4 466 lb (211 kg) TNT | Turbine | Speed:36 kn (67 km/h) Range:16,000 yd (15,000 m) |
| Mark 9 (Bliss-Leavitt) | | 1915–1945 | Surface & submarine / Surface | Diameter:21 in (53 cm) Length:16.4 ft (5.0 m) Weight:2,015 lb (914 kg) | Mk.9 210 lb (95 kg) TNT | Turbine | Speed:27 kn (50 km/h) Range:7,000 yd (6,400 m) |
| Mark 10 | | 1915–1945 | Submarine / Surface | Diameter:21 in (53 cm) Length:16.2 ft (4.9 m) Weight:2,215 lb (1,005 kg) | Mk.10 Mod.3 497 lb (225 kg) TNT | Steam turbine | Speed:36 kn (67 km/h) Range:3,500 yd (3,200 m) |
| Mark 11 | | 1926–1945 | Surface / Surface | Diameter:21 in (53 cm) Length:22.6 ft (6.9 m) Weight:3,511 lb (1,593 kg) | Mk.11 500 lb (230 kg) TNT | Turbine | Low:27 kn (50 km/h) Range:15,000 yd (14,000 m) Medium:34 kn (63 km/h) Range:10,000 yd (9,100 m) High:46 kn (85 km/h) Range:6,000 yd (5,500 m) |
| Mark 12 | | 1928–1945 | Surface / Surface | Diameter:21 in (53 cm) Length:22.6 ft (6.9 m) Weight:3,505 lb (1,590 kg) | Mk.11 500 lb (230 kg) TNT | Turbine | Low:27.5 kn (50.9 km/h) Range:15,000 yd (14,000 m) Medium:35.5 kn (65.7 km/h) Range:10,000 yd (9,100 m) High:44 kn (81 km/h) Range:7,000 yd (6,400 m) |
| Mark 14 | | 1938 | Submarine / Surface | Diameter:21 in (53 cm) Length:20.5 ft (6.2 m) Weight:3,209 lb (1,456 kg) | Mk.16 Mod.6 643 lb (292 kg) HBX | Turbine | Low:31.1 kn (57.6 km/h) Range:9,000 yd (8,200 m) High:46.3 kn (85.7 km/h) Range:4,500 yd (4,100 m) |
| Mark 15 | | 1938–1956 | Surface / Surface | Diameter:21 in (53 cm) Length:24 ft (7.3 m) Weight:3,841 lb (1,742 kg) | Mk.7 Mod.3 825 lb (374 kg) HBX | Turbine | Low:26.5 kn (49.1 km/h) Range:15,000 yd (14,000 m) Medium:33.5 kn (62.0 km/h) Range:10,000 yd (9,100 m) High:45 kn (83 km/h) Range:6,000 yd (5,500 m) |
| Mark 16 | | 1943–1975 | Submarine / Surface | Diameter:21 in (53 cm) Length:20.5 ft (6.2 m) Weight:4,000 lb (1,800 kg) | Mk.16 Mod.7 746 lb (338 kg) HBX | Turbine | Speed:46.2 kn (85.6 km/h) Range:11,000 yd (10,000 m) |
| Mark 17 | | 1944–1950 | Surface / Surface | Diameter:21 in (53 cm) Length:24 ft (7.3 m) Weight:4,600 lb (2,100 kg) | Mk.17 Mod.3 879.5 lb (398.9 kg) HBX | Turbine | Speed:46 kn (85 km/h) Range:18,000 yd (16,000 m) |
| Mark 18 | | 1943–1950 | Submarine / Surface | Diameter:21 in (53 cm) Length:20.4 ft (6.2 m) Weight:3,154 lb (1,431 kg) | Mk.18 Mod.3 575 lb (261 kg) HBX | Electric | Speed:29 kn (54 km/h) Range:4,000 yd (3,700 m) |
| Mark 19 | | Submarine / Surface | Diameter:21 in (53 cm) Length:20.5 ft (6.2 m) Weight:3,240 lb (1,470 kg) | Mk.20 800 lb (360 kg) Torpex | Electric, secondary battery | Speed:29 kn (54 km/h) Range:4,000 yd (3,700 m) | |
| Mark 20 | | Submarine / Surface | Diameter:21 in (53 cm) Length:20.5 ft (6.2 m) Weight:3,100 lb (1,400 kg) | Mk.20 500 lb (230 kg) TNT | Electric motor | Speed:33 kn (61 km/h) Range:3,500 yd (3.2 km) | |
| Mark 22 | | Submarine / Surface | Diameter:21 in (53 cm) Length:20.5 ft (6.2 m) Weight:3,060 lb (1,390 kg) | 500 lb (230 kg) HBX | Electric | Speed:29 kn (54 km/h) Range:4,000 yd (3.7 km) | |
| Mark 23 | | 1943–1946 | Submarine / Surface | Diameter:21 in (53 cm) Length:20.5 ft (6.2 m) Weight:3,259 lb (1,478 kg) | Mk.16 Mod.6 643 lb (292 kg) HBX | Turbine | Speed:46.3 kn (85.7 km/h) Range:4,500 yd (4.1 km) |
| Mark 26 | | Submarine / Surface | Diameter:21 in (53 cm) Length:20.5 ft (6.2 m) Weight:3,200 lb (1,500 kg) | Mk.26 410–450 kg (900–1,000 lb) HBX | Electric, seawater battery | Speed:40 kn (74 km/h) Range:6,000 yd (5.5 km) | |
| Mark 28 | | 1944–1960 | Submarine / Surface | Diameter:21 in (53 cm) Length:20.5 ft (6.2 m) Weight:2,800 lb (1,300 kg) | Mk.28 Mod.2 585 lb (265 kg) HBX | Electric | Speed:19.6 kn (36.3 km/h) for 6 minutes at 4,000 yd (3.7 km) |
| Mark 29 | | Submarine / Surface | Diameter:21 in (53 cm) Length:20.5 ft (6.2 m) Weight:3,200 lb (1,500 kg) | Mk.28 Mod.2 550 lb (250 kg) HBX | Electric | Low:21 kn (39 km/h) Range:12,000 yd (11,000 m) High:28 kn (52 km/h) Range:4,000 yd (3,700 m) | |
| Mark 31 | | Surface / Surface | Diameter:21 in (53 cm) Length:20.5 ft (6.2 m) Weight:2,800 lb (1,300 kg) | Mk.31 500 lb (230 kg) HBX | Electric | Speed:29 kn (54 km/h) Range:4,000 yd (3.7 km) | |
| Mark 33 Mod 0 | | Submarine & Aircraft / Submarine & surface | Diameter:21 in (53 cm) Length:6.9 ft (2.1 m) Weight:1,795 lb (814 kg) | 550 lb (250 kg) HBX | Electric | Low:12.5 kn (23.2 km/h) Range:19,000 yd (17,000 m) High:18.5 kn (34.3 km/h) Range:5,000 yd (4,600 m) | |
| Mark 35 | | 1949–1960 | Surface / Surface | Diameter:21 in (53 cm) Length:6.9 ft (2.1 m) Weight:1,770 lb (800 kg) | Mk.35 Mod.2 or 3 270 lb (120 kg) HBX | Electric, primary seawater battery | Speed:27 kn (50 km/h) Range:15,000 yd (14 km) |
| Mark 36 Mod 0 | | 1949–1960 | Surface / Surface | Diameter:21 in (53 cm) Length:20.5 ft (6.2 m) Weight:4,000 lb (1,800 kg) | Mk.36 800 lb (360 kg) HBX-1 | Electric | Speed:47 kn (87 km/h) Range:7,000 yd (6.4 km) |
| Mark 41 Mod 0 | | 1950–1959 | Aircraft / Submarine | Diameter:21 in (53 cm) Length:10 ft (3.0 m) Weight:1,327 lb (602 kg) | Mk.41 150 lb (68 kg) HBX | Electric, seawater battery | Speed:25 kn (46 km/h) Range:8,000 yd (7.3 km) |
| Mark 45 Mod 1 | | 1963–1976 | Submarine / Submarine & surface | Diameter:21 in (53 cm) Length:18.9 ft (5.8 m) Weight:2,400 lb (1,100 kg) | Nuclear | Electric | Speed:40 kn (74 km/h) Range:15,000 yd (14 km) |
| Mark 48 | | 1972–present | Submarine / Submarine & surface | Diameter:21 in (53 cm) | 650 lbs | Piston engine, pump jet |
See also
External links
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