A French autogyro: Prototype RM 2 by Roger Marquion from 2004

A French autogyro: Prototype RM 2 by Roger Marquion from 2004

An autogyro, also known as a gyroplane or gyrocopter, is a type of rotorcraft that uses an unpowered rotor in free autorotation to develop lift.

Max. speed: 170 km/h

Min speed: 45 km/h

Power: 65 HP

Read more: Transport, aviation and fighting vehicles by Andrew Pantele ...