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To: LindyBill who wrote (357700)	4/5/2010 9:13:10 AM
From: FJB	Respond to of 793914

Supposedly, it can be done. ============================================================================= The speed of the VA-111 far exceeds that of any standard torpedo currently fielded by NATO. This speed is a result of supercavitation: the torpedo is, in effect, flying in a gas bubble created by outward deflection of water by its specially shaped nose cone and the expansion of gases from its engine. By keeping water from coming into contact with the surface of the body of the torpedo, drag is significantly reduced, allowing extremely high speeds. In effect, the Shkval is an underwater missile. Launched from 533 mm torpedo tubes, the VA-111 exits the tube at 50 knots (93 km/h). Shortly afterwards, its liquid-fuel rocket ignites and propels it to speeds of up to 200 knots (370 km/h). Some reports indicate that speeds of 250+ knots may be achieved, and that work on a 300-knot (560 km/h) version was underway.[2] The rocket engine uses the combination of high test peroxide and kerosene; the propellant tanks contain about 1.5 tons of hydrogen peroxide and 500 kg of kerosene.[3] en.wikipedia.org