конвертоплан з гвинтами, що складаються, див. convertiplane
convertiplane
lateral dual rotor system / side-by-side rotor helicopter
main-rotor head / main-rotor hub
main-rotor hub / main-rotor head
folding knife
folding portable bridge
folding-fin aircraft rocket (FFAR)
folding bipod
folding leaf spring
folding leg
folding screw adjustment rear sight
folding shield
folding sight leaf
folding trigger
folding stock (folded stock)
folding-stock anchor
side-folding stock
under-folding stock
folding ladder
folding strut
folding step
folding
back-folding
folding propeller
adjustable metallic folding blade sight assembly
adjustable metallic folding, short-range blade sight assembly
brake rotor
tail rotor blade
tilt rotor aircraft
turbine disc / rotor /wheel
idle rotor
inner rotor