High efficiency propeller
High torque actuation system for an active rotor control system
Magnetostrictive adjustment of propeller blade
Overspeed spoilers for vertical axis wind turbine
Pitch-regulated vertical access wind turbine
Pivoted blade barrel rotor wind turbine
Rotor blade
Rotor blade flap driving apparatus
Rotor blade flap driving apparatus
Rotor blade having a control flap
Rotor blade with a rotary spoiler
Rotor blade with control flaps
Rotor blade with flap and flap drive
Rotor blade with swivelling air flow control flap
Rotorcraft blade provided with a tiltable flap
Self-assembly micro fan
Self-trimming oscillating wing system
Strain isolated trim tab
Tapered/segmented flaps for rotor blade-vortex interaction...
Turbine blade having an extensible tail