direction of blade rotation

напрямок обертання гвинта

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

main-rotor rotation direction

tail rotor rotation direction

blade flat; saber flat; sword flat, flat of the blade / sword

blade de-icers / blade heating elements

blade heating elements / blade de-icers

blade horn / blade lever

blade tip light / main-rotor blade tip light

main-rotor blade tip light blade tip light

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

chaotic rotation

international earth rotation service

mean angular velocity of rotation

Nr (Nr = speed of rotation)

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

plane of rotation / tip path plane

tip path plane / plane of rotation

correction for earth rotation

sustainable rotation

sense of rotation

blade arrangement