Undersea weapon

Details Undersea weapon Undersea weapon

F - Mech Eng,Light,Heat,Weapons

42

B

102/2

F42B 15/20 (2006.01) F41G 7/22 (2006.01) F42B 17/00 (2006.01) F42B 19/26 (2006.01)

Patent

CA 1156511

ABSTRACT An undersea weapon comprising a warhead, a rocket motor, detection, homing and control systems and a hydropulse underwater propulsion system in an integral unit. The weapon is launched at a previously detected target, such as a submarine, on a ballistic trajectory through the air by means of the rocket motor. The weapon enters the water near the submarine, which is thereafter detected by an on- board system incorporating both active and/or passive de- tection. The thus-determined submarine direction is uti- lized by the control system to guide the weapon toward the submarine under water. A hydropulse motor utilizes the empty rocket motor as the propulsion chamber and pro- vides the under water propulsion to propel the weapon through the water toward the submarine, where the warhead then detonates on contact with the submarine. Alterna- tively, the weapon may be air dropped near a previously detected target, in which case there need be no propellant in the rocket motor. The hydropulse motor operates by re- peatedly filling the chamber with water and expelling the water at high velocity through a converging nozzle in succeeding pulse stages. During the intervals between pulses, the detection system monitors the submarine free of noise from the on-board propulsion motor.

367017

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