The Cierva C.17 was a British experimental

autogyro An autogyro (from Greek and , "self-turning"), also known as a ''gyroplane'', 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. Whi ...

built by Cierva Autogiro Company in England in 1928, in association with Avro (which designated it their Type 612). It was an attempt to build upon the successful Cierva C.8 design using the smaller, more streamlined fuselage of an

Avro Avian The Avro Avian was a series of British light aircraft designed and built by Avro in the 1920s and 1930s. While the various versions of the Avian were sound aircraft, they were comprehensively outsold by the de Havilland Moth and its descendant ...

IIIA as a starting point. The type was found to be underpowered, and when the first attempt at fitting a more powerful engine still did not result in acceptable performance, the design was abandoned.

Variants

;C.17: Powered by a 67 kW (90 hp) A.D.C. Cirrus III piston engine. ;C.17 Mk II: Powered by an Avro Alpha radial piston engine.

Specifications

References

{{Avro aircraft 1920s British experimental aircraft Single-engined tractor autogyros Aircraft first flown in 1928 C.17

Variants

Specifications

See also

References