Aircraft stall warning system

Details Aircraft stall warning system Aircraft stall warning system

1984-11-13

1990-03-13

Orsino, Joseph A.

Communications: electrical

Aircraft alarm or indicating systems

Flight alarm

244187, 340967, G08B 2300

Patent

active

049086197

ABSTRACT:
A stall warning "stick shaker" reference level signal is produced as a function of both flap position and total aircraft thrust. More specifically, a correction term .DELTA..alpha. is combined with a standard stick shaker reference level signal which is scheduled as a function of aircraft flap position. The .DELTA..alpha. signal is scheduled as a function of the total aircraft gross thrust coefficient. The resultant reference level signal produces advance stall warnings that are essentially invariant with engine power level.

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patent: 4027839 (1977-06-01), Quinlivan
patent: 4093158 (1978-06-01), Clews et al.
patent: 4230290 (1980-10-01), Townsend et al.
patent: 4235104 (1980-11-01), Hoadley et al.
patent: 4347572 (1982-08-01), Berwick, Jr. et al.
patent: 4467429 (1984-08-01), Kendig

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