American 18-inch torpedo
There have been a number of 18-inch torpedoes in service with the United States. These have been used on ships and submarines of the US Navy. American "18-inch" torpedoes were actually 17.7 inches (45 cm) in diameter, beginning with the "Fiume" Whitehead torpedo of 1890.
Ship classes that carried 18-inch torpedoes include:
- Aylwin-class destroyers
- B-class through some R-class submarines
- Bainbridge-class destroyers
- Cassin-class destroyers
- Cincinnati-class cruisers
- Columbia-class cruisers
- Illinois-class battleships
- Indiana-class battleships
- Kearsarge-class battleships
- Maine-class battleships
- Montgomery-class cruisers
- Paulding-class destroyers
- Pennsylvania-class cruisers
- Plunger-class submarines
- Smith-class destroyers
- Truxtun-class destroyers
| Name | Country | In service date | Platform / target | Dimensions | Warhead | Propulsion | Performance |
|---|---|---|---|---|---|---|---|
| "Fiume" Whitehead torpedo |  |
1894 | Surface / Surface | Diameter:45 cm (17.7 in)
Length:360 cm (140 in) |
54 kg (119 lb) Guncotton |
Compressed air | Speed:49.1 km/h (26.5 kn) Range:0.73 km (800 yd) |
| Mark 4 (Bliss-Leavitt) | | 1908–1922 | Submarine / Surface ship | Diameter:450 mm (17.72 in) Length:5,000 mm (197 in) Weight:680 kg (1,500 lb) | Vertical Turbine | ||
| Mark 6 (Bliss-Leavitt) | |
1911–1922 | Surface / Surface ship | Diameter:45 cm (17.7 in) Length:520 cm (204 in) Weight:820 kg (1,800 lb) |
Turbine | Speed:65 km/h (35 kn) Range:1,800 m (2,000 yd) | |
| Mark 7 (Bliss-Leavitt (Short) | |
1917 | Submarine / Surface ship | Diameter:45 cm (17.7 in) Length:370 cm (144 in) Weight:470 kg (1,036 lb) |
127 kg (281 lb) TNT |
Turbine | Speed:65 km/h (35 kn) |
| Mark 7 (Bliss-Leavitt)(long) | |
1912–1945 | Submarine & Surface / Surface ship | Diameter:45 cm (17.7 in) Length:520 cm (204 in) Weight:763 kg (1,682 lb) |
148 kg (326 lb) TNT |
Turbine | Speed:65 km/h (35 kn) Range:3,200 m (3,500 yd) or 5,500 m (6,000 yd) |
| Whitehead torpedo Mk.1 (short) | |
1894–1913 | Surface / Surface ship | Diameter:45 cm (17.7 in) Length:360 cm (140 in) Weight:383 kg (845 lb) |
54 kg (118 lb) Guncotton |
Air-flask Brotherhood pattern engine | Speed:49.1 km/h (26.5 kn) Range:730 m (800 yd) |
| Whitehead torpedo Mk.1 (long) | |
1894–1922 | Surface / Surface ship | Diameter:45 cm (17.7 in) Length:500 cm (197 in) Weight:530 kg (1,160 lb) |
100 kg (220 lb) Guncotton |
Air-flask Brotherhood pattern engine | Speed:50.9 km/h (27.5 kn) Range:730 m (800 yd) |
| Whitehead torpedo Mk.2 (short) | |
1896–1913 | Surface / Surface | Diameter:45 cm (17.7 in) Length:360 cm (140 in) Weight:383 kg (845 lb) |
54 kg (118 lb) Guncotton |
Air-flask Brotherhood pattern engine | Speed:50 km/h (27 kn) Range:730 m (800 yd) |
| Whitehead torpedo Mk.2 (long) | |
189?–1922 | Surface / Surface | Diameter:45 cm (17.7 in) Length:500 cm (197 in) Weight:559 kg (1,232 lb) |
60 kg (132 lb) Guncotton |
Air-flask Brotherhood pattern engine | Speed:52.8 km/h (28.5 kn) Range:1,400 m (1,500 yd) |
| Whitehead torpedo Mk.3 | |
1898–1922 | Surface / Surface | Diameter:45 cm (17.7 in) Length:360 cm (140 in) Weight:383 kg (845 lb) |
54 kg (118 lb) Guncotton |
Air-flask Brotherhood pattern engine | Speed:49.1 km/h (26.5 kn) Range:730 m (800 yd) |
| Whitehead torpedo Mk.5 | |
1910–1922 | Surface & Submarine / Surface | Diameter:45 cm (17.7 in) Length:520 cm (204 in) Weight:659 kg (1,452 lb) |
91 kg (200 lb) Guncotton |
Heated Air-flask Brotherhood pattern engine | Low:50 km/h (27 kn) Range:3,700 m (4,000 yd) Medium:67 km/h (36 kn) Range:1,800 m (2,000 yd) High:74 km/h (40 kn) |
See also
External links
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