Otto fuel II
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Otto fuel II is a monopropellant mixture of chiefly propylene glycol dinitrate that is used to drive torpedoes and other weapon systems. It was invented by Otto Reitlinger in 1963. Otto fuel II, somet
Mk 46 torpedo, which uses Otto fuel II
Mark 37 torpedo
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The Mark 37 torpedo is a torpedo with electrical propulsion, developed for the US Navy after World War II. It entered service with the US Navy in the early 1950s, with over 3,300 produced. It was phas
Mark 37 torpedo at the German Marine Museum Wilhelmshaven
A Mark 37 Mod 1 torpedo at The Submarine Force Museum, Argentina.
Israeli Mark 37E torpedo
A Mark 37 exhibit in HNLMS Tonijn, at the Dutch Navy Museum.