Main rotor
part · 1939 · Electric age
A helicopter’s rotating wing.
Principles and materials it uses
- Lift — uses. The blades are rotating wings.
- Wood — is made of. The first blades were wood.
- Aluminium — is made of. Later — aluminium.
Where it is used
- Helicopter — is part of. A main rotor.
- Autogyro — is part of. A main rotor.
- Tiltrotor — is part of. Tilting rotors.