Nr (Nr = speed of rotation)

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

supersonic speed (exceeds speed of sound / Mach 1)

variable-speed with speed control

instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)

Motor PWM speed separated from PID speed

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

direction of blade rotation

international earth rotation service

main-rotor rotation direction

mean angular velocity of rotation

plane of rotation / tip path plane

tail rotor rotation direction

tip path plane / plane of rotation

rotation

correction for earth rotation

sustainable rotation

sense of rotation

Apply yaw rotation relative to a FPV camera

I Term Rotation

apparent speed

average speed

blade speed

convoy speed