rotor drone

безпілотний вертоліт; безпілотний літальний апарат вертолітного типу; вертолітний БпЛА; вертолітний безпілотник; роторний дрон

lateral dual rotor system / side-by-side rotor helicopter

main-rotor head / main-rotor hub

main-rotor hub / main-rotor head

single rotor helicopter drone

drone war (world’s first drone war)

drone field of view (drone FOV)

drone swarm attack / drone swarming attack

drone swarm's counter-drone capabilities

hobby drone (hobby grade drone)

one-way attack drone (OWA drone)

deep drone strikes / long-range drone strikes

brake rotor

tail rotor blade

tilt rotor aircraft

turbine disc / rotor /wheel

idle rotor

inner rotor

aft main rotor

main rotor brake

rotor support damper

coaxial-rotor helicopter

single-rotor helicopter

tandem-rotor helicopter

anti-torque rotor

anti-torque rotor control

anti-torque rotor hub

articulated rotor

ceramet rotor plate

compressor rotor

main rotor hub

rotor bearing

rotor gear pump