Exhaust flap speedbrake

Details Exhaust flap speedbrake Exhaust flap speedbrake

1990-09-14

1992-06-09

Peters, Jr., Joseph F.

Aeronautics and astronautics

Retarding and restraining devices

Aerodynamic retarders

244110R, 23926541, 23926539, 60228, B64C 932, B64C 1500

Patent

active

051200058

ABSTRACT:
An aircraft speedbrake is integrated into a jet engine exhaust nozzle. A first set of nozzle flaps which are normally out of the airstream, are extended into the airstream to create drag on the airframe and thereby act as speedbrakes. A second set of nozzle flaps are opened when the first set of nozzle flaps are extended into the airstream, to simultaneously spoil the thrust of the engine.

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patent: 4793134 (1988-12-01), Coplin et al.
patent: 4819876 (1989-04-01), Thayer
patent: 4828173 (1989-05-01), Guerty

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