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de Havilland DH.50
The de Havilland DH.50 was a 1920s British large single-engined biplane transport built by de Havilland at Stag Lane Aerodrome, Edgware, and licence-built in Australia, Belgium and Czechoslovakia.
Contents
History
In the early 1920s, Geoffrey de Havilland realised that war surplus aircraft would need replacing, so his company designed a four-passenger-cabin biplane, the DH.50, using experience gained with the earlier de Havilland DH.9. The first DH.50 (registered G-EBFN) flew in August 1923 and was used within a few days by Alan Cobham to win a prize for reliability during trial flights between Copenhagen and Gothenburg. Only 17 aircraft were built by de Havilland; the rest were produced under licence. The different aircraft had a wide variety of engine fits.
In 1924, Cobham won the King's Cup Race air race in G-EBFN averaging 106 mph (171 km/h). Cobham made several long-range flights with the prototype until he replaced it with the second aircraft. The second aircraft (registered G-EBFO) was re-engined with the Armstrong Siddeley Jaguar engine and was designated the DH.50J. Cobham flew the aircraft on a 16,000 mi (25,750 km) flight from Croydon Airport to Cape Town between November 1925 and February 1926. The aircraft was later fitted with twin floats (produced by Short Brothers at Rochester) for a survey flight of Australia in 1926. On the outward flight from England to Australia, Cobham's engineer (A.B. Elliot) was shot and killed when they were overflying the desert between Baghdad and Basra. He was replaced by Sergeant Ward, a Royal Air Force engineer who was given permission to join the flight by his commanding officer. Also in 1926, a DH.50A floatplane was used in the first international flight made by the Royal Australian Air Force. The Chief of the Air Staff, Group Captain Richard Williams, and two crew members undertook a three-month, 10,000 mi (16,093 km) round trip from Point Cook, Victoria to the Pacific Islands.[1]
Licence production
The aircraft was popular in Australia and licence production was agreed, leading to 16 aircraft being built there. QANTAS built four DH.50As and three DH.50Js, Western Australian Airlines built three DH.50As, and Larkin Aircraft Supply Company built one DH.50A. SABCA built three DH.50As in Brussels, Belgium. and Aero built seven in Prague, Czechoslovakia. One of the QANTAS-built DH.50s (G-AEUR) was the first aircraft used by the Royal Flying Doctor Service of Australia.
Variants
- DH.50 : Single-engined light transport biplane.
- DH.50A : Built under licence in Australia and Belgium.
- DH.50J : Powered by one 385 hp (287 kW) Armstrong-Siddeley Jaguar radial engine.
Operators
- Australian Aerial Services Ltd
- Holdens Air Transport
- QANTAS
- Rockhampton Aerial Services Ltd
- Royal Australian Air Force
- West Australian Airlines Ltd
- Czechoslovakia Government
- Iraq Petroleum Transport Company Ltd
- Air Taxis Ltd
- Brooklands School of Flying Ltd
- Imperial Airways Ltd
- North Sea Aerial and General Transport Company Ltd
- Northern Air Lines Ltd
Specifications
Template:Aircraft specification
See also
Related lists
Lists relating to aviation | |
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General | Timeline of aviation · Aircraft · Aircraft manufacturers · Aircraft engines · Aircraft engine manufacturers · Airports · Airlines |
Military | Air forces · Aircraft weapons · Missiles · Unmanned aerial vehicles (UAVs) · Experimental aircraft |
Notable incidents and accidents | Military aviation · Airliners · General aviation · Famous aviation-related deaths |
Records | Flight airspeed record · Flight distance record · Flight altitude record · Flight endurance record · Most produced aircraft |
References
Notes
- ↑ Stephens 2006, pp.39-41.
Bibliography
- The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.
- Jackson, A.J. (1973). British Civil Aircraft since 1919 Volume 2. London: Putnam. ISBN 0 370 10107 X.
- Jackson, A.J. (1987). De Havilland Aircraft since 1909, Second edition, London: Putnam. ISBN 0 85177 802 X.
- Stephens, Alan [2001] (2006). The Royal Australian Air Force: A History. London: Oxford University Press. ISBN 0195555414.
External links
Template:De Havilland aircraft
Lists relating to aviation | |
---|---|
General | Timeline of aviation · Aircraft · Aircraft manufacturers · Aircraft engines · Aircraft engine manufacturers · Airports · Airlines |
Military | Air forces · Aircraft weapons · Missiles · Unmanned aerial vehicles (UAVs) · Experimental aircraft |
Notable incidents and accidents | Military aviation · Airliners · General aviation · Famous aviation-related deaths |
Records | Flight airspeed record · Flight distance record · Flight altitude record · Flight endurance record · Most produced aircraft |
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "De Havilland DH.50". |