Avro Avenger

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566 Avenger
Avro Type 566
Role Fighter
Manufacturer Avro
Designer Roy Chadwick
First flight 26 June 1926
Retired 1931
Status Cancelled
Primary user RAF (intended)
Number built 1

The Avro 566 Avenger was a prototype British fighter of the 1920s, designed and built by Avro. It was a single-seat, single-engine biplane of wood and fabric construction. Although it was a streamlined and advanced design, it never entered production.


The Avenger was designed as a private venture and Roy Chadwick penned a machine of great aerodynamic cleanliness for its time. As originally built, it was powered by a 525 hp (391 kW) Napier Lion VIII and it first flew on 26 June 1926,[1] but no order was forthcoming; this was partly because by the time it was evaluated, the Air Ministry did not favour the Lion as a fighter engine.

In May 1928, the machine was modified as a racer, with equi-span wings of 28 ft (8.53 m) and revised struts and ailerons; it was fitted with a 553 hp (412 kW) Lion. The machine was subsequently redesignated Avro 567 Avenger II.

The Avenger ended its days as an instructional airframe.

Specifications (Avenger)[edit]

Data from The Complete Book of Fighters[2]

General characteristics

  • Crew: 1
  • Length: 25 ft 6 in (7.77 m)
  • Wingspan: 32 ft (9.75 m)
  • Height: 10 ft 3 in (3.12 m)
  • Wing area: 244 ft² [1] (22.7 m²)
  • Empty weight: 2,368 lb (1,074 kg)
  • Loaded weight: 3,220 lb (1,460 kg)
  • Powerplant: 1 × Napier Lion VIII or IX, 525/553 hp (391/412 kW)



  • None fitted


  1. ^ a b c Jackson, A.J. Avro Aircraft since 1908. London: Putnam Aeronautical Books, 1990. ISBN 0-85177-834-8.
  2. ^ Green, William. and Swanborough, Gordon. The Complete Book of Fighters. New York: Smithmark Publishers Inc., 1994. ISBN 0-8317-3939-8.

External links[edit]