Retardation system for air launched flares and submunitions

Details Retardation system for air launched flares and submunitions Retardation system for air launched flares and submunitions

1986-03-13

1987-03-17

Nelson, Peter A.

Ammunition and explosives

Pyrotechnics

Flare

102342, 102345, 102348, 102351, 102381, F42B 428

Patent

active

046498265

ABSTRACT:
A tandem arrangement of a flare and a booster rocket motor is held together by a hollow coupler having hinged spring-loaded wall segments resembling barrel staves that are released on launch to function as a braking device, similar to a drogue parachute. The coupler also contains the main parachute which is released when the rocket motor is separated from the flare. The spring loading on the coupler wall segments controls the parachute drag area as a function of air speed enabling a relatively constant deceleration rate to be realized during the transition from high speed to the final descent velocity.

REFERENCES:
patent: 3910189 (1975-10-01), Whidden et al.
patent: 3930448 (1976-01-01), Barber et al.
patent: 4335656 (1982-06-01), Beatty et al.
patent: 4342252 (1982-08-01), Hagelberg et al.

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