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From Wikipedia, the free encyclopedia

Type G
Avro Type G.jpg
Role Experimental aircraft
Manufacturer Avro
First flight August 1912
Number built 1

The Avro Type G was a two-seat biplane designed by A.V. Roe to participate in the 1912 British Military Aeroplane Competition. It is notable in having a fully enclosed crew compartment, and was also the first aircraft to have recovered from a spin in front of witnesses.[1]

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Design and development

The Avro Type G was a two-seat two bay biplane with a fully enclosed crew compartment. The fuselage occupied the entire gap between upper and lower wings, which were of Roe's characteristic high aspect ratio. Two prototypes were started, one with a Green engine, the other with an ABC. The latter engine was not delivered in time, and the second prototype was abandoned.

At the trials, the Type G was placed first in the assembly tests (erected in 14½ minutes) and the fuel consumption tests, but its poor rate of climb prevented it from winning a major prize, although Avro were awarded £100. However, the Type G did later set a British endurance record of 7 hours 31 minutes piloted by F. P. Raynham at Brooklands on 24 October (a record broken only one hour later by Harry Hawker).

It was the second British airplane to have recovered from a spin, and the first to do so in front of witnesses.[1] Early on the morning of 25 August Lt Wilfred Parke, with Lt Breton as passenger, took off to make an endurance trial. After having flown for three hours, he was executing a series of dives and while turning entered a spin at about 700 ft (210 m). By a combination of luck and cool nerves coupled with flying skill, he was able to recover when barely 50 ft (15 m) feet above the ground, the craft suddenly righting itself and flying off under perfect control. Parke's ability to clearly report on his experience to expert witnesses of the event was most important, since going into a spin had previously meant almost certain death.


Data from <ef name=Jackson>Jackson, A..J. (1965). Avro Aircraft since 1908. London: Putnam.</ref>

General characteristics

  • Crew: 1
  • Capacity: 1
  • Length: 28 ft 6 in (8.69 m)
  • Wingspan: 35 ft 3 in (10.74 m)
  • Height: 9 ft 9 in (2.97 m)
  • Wing area: 335 sq ft (31.1 m2)
  • Empty weight: 1,191 lb (540 kg)
  • Gross weight: 1,792 lb (813 kg)
  • Powerplant: 1 × Green D.4 4-cylinder water-cooled in-line piston engine, 64 hp (48 kW)


  • Maximum speed: 62 mph (100 km/h, 54 kn)
  • Range: 345 mi (555 km, 300 nmi)
  • Rate of climb: 105 ft/min (0.53 m/s)


  1. ^ a b "Parke's Dive". Flight. 25 August 1912.

Further reading

  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 91.
  • World Aircraft Information Files. London: Bright Star Publishing. pp. File 889 Sheet 93.

External links

This page was last edited on 14 December 2020, at 17:53
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