Ammunition and explosives – Having reaction motor
Patent
1987-05-07
1988-01-05
Tudor, Harold J.
Ammunition and explosives
Having reaction motor
102376, 102430, 102520, F42B 1500
Patent
active
H00004030
ABSTRACT:
A kinetic energy penetrator assembly includes a motor casing having an aft pening. A nozzle with a nozzle opening is seated in the aft opening of the casing and confines expanding gases produced by burning propellant in the casing to a configuration for applying a thrust to the casing. An aft pusher plate is connected to a plug which plugs the nozzle opening and which has an aft space for receiving expanding gases. A penetrator rod is connected to the forward end of the motor casing and includes a bore riding sabot having substantially the same diameter as the diameter of the pusher plate and an aft portion of the motor casing. The penetrator assembly is meant to be launched from a gun with expanding gases in the gun barrel pushing against the pusher plate and ejecting the penetrator at some velocity from the barrel bore. An initiator carried in the pusher plate and nozzle plug begins to burn when it is exposed to the expanding gases in the gun barrel and, after a selected period of time, ignites propellant in the motor casing which first boosts the velocity of the penetrator assembly and thereafter sustains its velocity. The sabot is designed to peel away from the rod after the penetrator leaves the barrel for producing an aerodynamically advantageous configuration for the penetrator assembly.
Card, Jr. Harold H.
Costigan Edward F.
Lane Anthony T.
The United States of America as represented by the Secretary of
Tudor Harold J.
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