tail rotor rotation direction

main-rotor rotation direction

Nr gauge (Nr = speed of rotation) / rotor speed sensor

direction of blade rotation

tail rotor blade

loss of tail rotor effectiveness

tail rotor blade angle

tail rotor blade casing

tail rotor control cable

tail rotor drive shaft

tail rotor drive shaft in pylon

tail rotor gear box

tail rotor head casing

tail rotor hub

tail rotor pylon

tail rotor slip ring assembly

three-blade tail rotor

tail rotor

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

main-rotor head / main-rotor hub

main-rotor hub / main-rotor head

rotation of units

traverse rotation

rotation voltage displacement transducer

rearming and refueling aircraft rotation

correction for rotation

slow-rotation fin-stabilized HEAT projectile

bogie-rotation mechanism

synchronous rotation

blade flapping (the vertical movement in its plane of rotation because of differences in lift between the advancing and retreating blades)

chaotic rotation

international earth rotation service

mean angular velocity of rotation