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Old 05-07-2014, 05:30 PM   #5 (permalink)
freebeard
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Axial engine - Wikipedia, the free encyclopedia

Wikipedia lists it among the 4 modern of 14 total variants. aerohead is right.
Quote:
The most well-known application is in torpedoes, where the cylindrical shape is desirable. The modern Mark 48 torpedo is powered by a 500 hp swashplate engine geared to a pump-jet propulsor. It is fueled by Otto fuel II, a monopropellant that requires no oxygen supply and can propel the torpedo at up to 65 knots (120 km/h) (74.56 mph).
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