Magnetically actuated amusement device
Main helicopter rotor
Main rotor for a helicopter
Main rotor shear restraint
Marine propeller and hub assembly
Marine propeller with tube shape shock absorbing means
Matched stiffness rotor flexbeam and blade system
Mid-beam jointed reconfigurable bearingless main rotor assembly
Monolithic structure having improved flaw tolerance
Multi-blade propellers
Multi-blade rotor for a helicopter