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Cierva C.24

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C.24
de Havilland C.24 at the de Havilland Aircraft Heritage Centre
Role Utility autogyro
Manufacturer de Havilland
Designer Juan de la Cierva
First flight September 1931[1]
Status Museum exhibit
Produced 1931
Number built 1

The de Havilland C.24 was a two-seat autogyro built by de Havilland at its Stag Lane works in England in

Design and development

The C.24 was built in 1931 using a Cierva rotor head coupled to the cabin of a de Havilland DH.80A Puss Moth, and driven by a 120 hp Gipsy III engine. It was withdrawn from use by December 1934.[2]

A single example (G-ABLM) was produced and is part of the Science Museum collection. In 1932, it was redesignated C.26 (not to be confused with the unbuilt C.26 twin-engine autogiro design) when a two-blade rotor system was installed.[3] Since 2008 it has been on loan to the de Havilland Aircraft Museum at Salisbury Hall, near London Colney in Hertfordshire. In flight, it had a maximum speed of about 115 mph (185 km/h; 100 kn).

Specifications

Data from Jackson 1978 p.524[1]

General characteristics

  • Crew: 2
  • Length: 20 ft 0 in (6.10 m)
  • Empty weight: 1,280 lb (955 kg)
  • Gross weight: 1,800 lb (1,343 kg)
  • Powerplant: 1 × de Havilland Gipsy III 4-cylinder inverted air-cooled inline , 120 hp (90 kW)
  • Main rotor diameter: 34 ft 0 in (10.36 m)

Performance

  • Maximum speed: 115 mph (185 km/h, 100 kn)
  • Cruise speed: 100 mph (164 km/h, 87 kn)
  • Range: 350 mi (563 km, 300 nmi)

References

Citations

  1. ^ a b Jackson 1978, pp. 524
  2. ^ "UK Certificate of Registration No. 3138, 22 April 1931" (PDF). UK Civil Aviation Authority. Archived from the original (PDF) on 6 June 2011. Retrieved 11 January 2009.
  3. ^ https://sites.google.com/site/stingrayslistofrotorcraft/cierva-c24

Bibliography

  • Jackson, A.J. (1978). de Havilland Aircraft since 1909. London: Putnam Publishing. ISBN 0-370-30022-X.