The Japanese version of the USA's Mark 37 torpedo. Details may be found at USA Post-World War II Torpedoes.
|Ship Class Used On||Uzushio and Ushio classes|
|Date Of Design||1980|
|Date In Service||1984|
|Weight||about 1,430 lbs. (649 kg)|
|Overall Length||135 in (3.429 m)|
|Explosive Charge||about 330 lbs. (150 kg) Torpex|
|Range / Speed||Classified, over 30 knots|
A wire-guided ASM torpedo developed from the Japanese version of the USA's Mark 37 and the GRX-1 and GRX-2 experimental programs. Has better performance, including higher speed, than does the Mark 37.
|Ship Class Used On||Submarines|
|Date Of Design||1989|
|Date In Service||1992|
|Explosive Charge||589 lbs. (267 kg)|
|Range / Speed||about 54,000 yards (49,380 m) @ 40 knots
about 42,000 yards (38,400 m) @ 55 knots
Reported maximum speed is 70 knots
The standard heavy submarine torpedo, roughly equivalent to the USA's Mark 48. Formerly the GRX-2.
- "The Naval Institute Guide to World Naval Weapon Systems 1991/92" by Norman Friedman
- "Jane's Underwater Warfare Systems 1997-98" edited by Anthony J. Watts