Helicopter, high rotor speed enhancement

Details Helicopter, high rotor speed enhancement Helicopter, high rotor speed enhancement

G - Physics

05

D

341/91

G05D 1/00 (2006.01) G05D 1/08 (2006.01)

Patent

CA 2015588

-22- A helicopter engine speed reference (66) is increased (113, 103-105) in response to heavy rotor larding (108). The reference speed is faded up (113, 104) at a rather rapid rate to 107% of rated speed (114). After a fixed time interval (118), reduced rotor loading (119) will cause the reference speed to be faded down slowly (120, 103-105) to rated speed (121). If torque exceeds 111% of rated torque (117), the reference speed is similarly faded down. (120, 103-105).

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