діаметр несучого гвинта
main-rotor head / main-rotor hub
main-rotor hub / main-rotor head
main gear box / main rotor transmission
main rotor transmission / main gear box
lateral dual rotor system / side-by-side rotor helicopter
bore diameter
cloud diameter
Ground Launched Small Diameter Bomb (GLSDB)
wall-to-wall turning diameter
fuselage equivalent diameter
airscrew diameter
propeller diameter
effects diameter
tactical diameter
Small Diameter Bomb (SDB)
aft main rotor
main rotor brake
main rotor hub
blade tip light / main-rotor blade tip light
five-blade main rotor
forward main rotor
main rotor noise
main-rotor (hydraulic) collective pitch actuator
main-rotor axis
main-rotor blade
main-rotor blade durability
main-rotor blade tip light blade tip light
main-rotor brake
main-rotor collective pitch control rod
main-rotor head casing
main-rotor rate
main-rotor rotation direction