The latest engineering and technology from the 1930s: 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. Forward thrust is provided independently, by an engine-driven propeller. While similar to a helicopter rotor in appearance, the autogyro's rotor must have air flowing across the rotor disc to generate rotation, and the air flows upwards through the rotor disc rather than down.

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Size: 3795px × 2598px
Location: United Kingdom
Photo credit: © De Luan / Alamy / Afripics
License: Licensed
Model Released: No

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