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From Wikipedia, the free encyclopedia

C.17
Cierva C.17 L'Aéronautique December,1928.jpg
Role Experimental autogyro
National origin United Kingdom
Manufacturer Cierva
Designer Juan de la Cierva
First flight 23 October 1928
Number built 2

The Cierva C.17 was a British experimental autogyro 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 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.[1]

Variants

C.17
Powered by a 67 kW (90 hp) A.D.C. Cirrus III piston engine.[2]
C.17 Mk II
Powered by an Avro Alpha radial piston engine.[2]

Specifications

Cierva C.17 3-view drawing from L'Air June 1,1929
Cierva C.17 3-view drawing from L'Air June 1,1929

Data from Jane's all the World's Aircraft 1928,[3] British Aircraft Directory[4]

General characteristics

  • Crew: 1
  • Capacity: 1
  • Length: 28 ft 9 in (8.76 m)
  • Wingspan: 19 ft 9 in (6.02 m) auxiliary wing
  • Height: 11 ft 1 in (3.38 m) tail up
  • Empty weight: 970 lb (440 kg)
  • Gross weight: 1,455 lb (660 kg)
  • Fuel capacity: 17 imp gal (20 US gal; 77 l)
  • Powerplant: 1 × ADC Cirrus III 4-cylinder air-cooled in-line piston engine, 90 hp (67 kW)
  • Main rotor diameter: 33 ft 3.25 in (10.1410 m)
  • Main rotor area: 869 sq ft (80.7 m2)
  • Propellers: 2-bladed Avro wooden fixed pitch airscrew

Performance

  • Maximum speed: 90 mph (140 km/h, 78 kn)
  • Minimum speed: 25 mph (22 kn; 40 km/h)
  • Range: 210 mi (340 km, 180 nmi) at 70 mph (61 kn; 110 km/h)
  • Endurance: 3 hours
  • Rate of climb: 500 ft/min (2.5 m/s)
  • Power/mass: 18.2 lb/hp (11.13 kg/kW)

See also

Related development

References

  1. ^ Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 254.
  2. ^ a b World Aircraft Information Files. London: Bright Star Publishing. pp. File 891 Sheet 29.
  3. ^ Grey, C.G., ed. (1928). Jane's all the World's Aircraft 1928. London: Sampson Low, Marston & company, ltd. p. 263c.
  4. ^ "C.17". web.archive.org. 10 February 2007. Archived from the original on 10 February 2007. Retrieved 7 January 2018.CS1 maint: bot: original URL status unknown (link)

Media related to Cierva C.17 at Wikimedia Commons

This page was last edited on 12 October 2020, at 07:15
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