Airfoil deployment system for missile or aircraft

Details Airfoil deployment system for missile or aircraft Airfoil deployment system for missile or aircraft

1991-05-13

1993-05-18

Barefoot, Galen

Aeronautics and astronautics

Missile stabilization or trajectory control

Externally mounted stabilizing appendage

244 49, 244 75R, B64C 356, B64C 512

Patent

active

052113582

ABSTRACT:
A deflated airbag is located on the outside of a missile or other vehicle beneath a folded, pivotally mounted airfoil member prior to launch, and a supply of pressurized gas is connected to the interior of the airbag via a suitable valve. After launch, or after lowering of a launch platform in the case of launch from an aircraft, an actuator such as an acceleration sensing device or timing device opens the valve, supplying gas to inflate the bag and simultaneously urge the airfoil into an extended, working position. After the airfoil is locked in its extended position, the airbag rapidly deflates and may be dropped off or retracted. Where more than one airfoil is to be deployed, separate airbags are located beneath each of the folded airfoils and a common gas supply is connected to all of the airbags.

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