An autogyro, or gyroplane, is a class of rotorcraft that uses an unpowered rotor in free autorotation to develop lift. While similar to a helicopter rotor in appearance, the autogyro's unpowered rotor
disc must have air flowing upward across it to make it rotate.
Follow me is only possible for registered members of the Apex Multiverse
Log in If you are not yet registered ? Register now free of charge Free Registration
| No follow |