втулка несучого гвинта
main-rotor hub / main-rotor head
main rotor hub
main-rotor head casing
anti-torque rotor hub
rotor hub
tail rotor hub
main gear box / main rotor transmission
main rotor transmission / main gear box
penetrating head injury / open head injury
drop head body (drop-head body)
head-to-head flyoff
tail rotor head casing
rotor head
offset gimbal rotor head
lateral dual rotor system / side-by-side rotor helicopter
hub and spokes system
hub assembly
portal hub
clutch disk hub
idler wheel hub cap
worm-wheel hub
direct and overdrive clutch hub
fan hub clutch
hub brake
hub disk
hub guard
hub stud
hub-tip ratio
split wheel hub
wheel hub
wheel hub integral flange
hub