Cierva C.8

Avro 586

C.8L Mk.II

On 18 September 1928 a Cierva C8L Mark II was flown by its inventor from London to Paris with a passenger; that aircraft is preserved in the Musee de l’Air.

Cierva licensed production to Avro as the Avro 586.

Engine: 1 x Armstrong Siddeley Lynx IVC 2-cylinder, 150kW
Main rotor diameter: 12.09m
Fuselage length: 8.69m
Height: 4.50m
Max take-off weight: 1120kg
Max speed: 161km/h
Service ceiling: 1200m
Range: 410km