Range maximizing, stable, helicopter cruise fuel conservation

Details Range maximizing, stable, helicopter cruise fuel conservation Range maximizing, stable, helicopter cruise fuel conservation

1990-09-20

1991-06-11

Lall, Parshotam S.

Boots, shoes, and leggings

36443101, 36443105, 244182, 60 36281, F02L 908

Patent

active

050237977

ABSTRACT:
The reference speed for a helicopter engine is incremented or decremented (237, 239) in dependence upon whether a specific range (miles per unit of fuel) has increased or decreased (236a) in a current period of time compared to the next preceding period of time, separated therefrom by at least 20 seconds (243, 244) to thereby set engine speed for minimizing use of fuel over distance traveled. Fuel is sampled only during steady flight (250-255).

REFERENCES:
patent: 4312041 (1982-01-01), DeJonge
patent: 4488236 (1984-12-01), Morrison et al.
patent: 4741503 (1988-05-01), Anderson et al.
patent: 4814993 (1989-03-01), Zapryanov et al.

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