Sopwith Wallaby

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Sopwith Wallaby.png
Sopwith Wallaby G-EAKS, side view
Role Long-range transport biplane
National origin United Kingdom
Manufacturer Sopwith Aviation Company
First flight 1919
Primary user Australian Aerial Services
Number built 1

The Sopwith Wallaby was a British single-engined long-range biplane built during 1919 by Sopwith Aviation Company at Kingston upon Thames.


The Wallaby was designed to compete in an Australian government £10,000 prize for an England to Australia flight. It was a single-engined biplane powered by a Rolls-Royce Eagle VIII engine. It had an open cockpit with two seats that could be retracted inside the enclosed cabin.

Operational history[edit]

The Wallaby registered G-EAKS departed Hounslow on 21 October 1919 for Australia. On 17 April 1920 it crashed on the island of Bali in the Dutch East Indies. It was shipped to Australia and re-built as an 8-seater transport and was used by Australian Aerial Services.




General characteristics

  • Crew: 2
  • Length: 31 ft 6 in ( m)
  • Wingspan: 46 ft 6 in ( m)
  • Empty weight: 2780 lb ( kg)
  • Gross weight: 5200 lb ( kg)
  • Powerplant: 1 × Rolls-Royce Eagle VIII, 375 hp ( kW)


  • Maximum speed: 115 mph ( km/h)
  • Cruise speed: 107 mph ( km/h)

See also[edit]

Aircraft of comparable role, configuration and era


  • Jackson, A.J. (1974). British Civil Aircraft since 1919 Volume 3. London: Putnam. ISBN 0-370-10014-X. 

External links[edit]

  • "Sopwith (Australia) Transport Machine" (PDF). Flight XI (42): 1362–1367. 16 October 1919. No. 564. Retrieved 13 January 2011.  Contemporary technical description, with photographs and drawings, of the airplane and the planned flight from England to Australia.