tandem-rotor helicopter

tandem-rotor helicopter (twin rotors mounted longitudinally)

tandem-rotor system

lateral dual rotor system / side-by-side rotor helicopter

tandem charge

anti-tandem

dual-tandem landing gear

tandem

main-rotor head / main-rotor hub

main-rotor hub / main-rotor head

coaxial-rotor helicopter

single-rotor helicopter

side-by-side rotor helicopter

single rotor helicopter drone

air combat capable helicopter / air-to-air capable helicopter

ambulance helicopter / medical evacuation (MEDEVAC) helicopter

medical evacuation (MEDEVAC) helicopter / ambulance helicopter

brake rotor

tail rotor blade

tilt rotor aircraft

turbine disc / rotor /wheel

idle rotor

inner rotor

aft main rotor

main rotor brake

rotor support damper

anti-torque rotor

anti-torque rotor control

anti-torque rotor hub

articulated rotor

ceramet rotor plate

compressor rotor

main rotor hub