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de Havilland Dragon

From Wikipedia, the free encyclopedia
1932 twin engine light transport aircraft

DH.84 Dragon
de Havilland DH.84 DragonG-ECAN atSywell Air Show, September 2006
General information
TypePassenger and military transport / trainer
Manufacturerde Havilland
Number built202
History
Introduction dateApril 1933
First flight12 November 1932

Thede Havilland DH.84 Dragon is a successful small commercial aircraft that was designed and built by thede Havilland company.

Design and construction

[edit]

Following the commercial success of its single-enginedde Havilland Fox Moth that had first flown in March 1932, that aircraft's original commercial operatorHillman's Airways requested that a larger twin-engined version be built. The Dragon was a simple, light design with a plywood box fuselage using the same type of engine and similar outer wing sections of the earlier single-engined aircraft. It was originally designated the DH.84 "Dragon Moth" but marketed as the "Dragon". A prototype, which first flew atStag Lane Aerodrome on 12 November 1932, and the next four aircraft were delivered to Hillman's which started a commercial service in April 1933. It could carry six passengers, each with 45 lb (20 kg) of luggage on theLondon-Paris route on a fuel consumption of just 13 gal (49 L) per hour. The wing panels outboard of the engines could be folded for storage.[1]

Operational service

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An Australian-built DH.84 Dragon at Woburn Tiger Moth Rally 2007

The Dragon proved very attractive as a short-haul low capacity airliner and was soon in service worldwide. From the 63rd aircraft late in 1933, the Dragon 2, with improvements including individually framed windows and faired undercarriage struts, was produced. Even though these changes were largely cosmetic the streamlining improved the aircraft's speed by about 5 mph (8 km/h), allowed 250 lb (113 kg) more payload to be carried and added 85 mi (137 km) of range.

British production of the DH.84 ended at the 115th aircraft, when it was replaced on the assembly line by the more powerful and elegant DH.89de Havilland Dragon Rapide. However, after production was discontinued, the drawings and surviving tools and jigs were sent out from GB and quantity production was ordered for the RAAF (a total of eighty-seven) during theSecond World War atBankstown,Australia, as a navigational trainer for theRoyal Australian Air Force, being preferred to the Rapide because its smaller engines were then being manufactured locally forde Havilland Tiger Moth production, making a total of 202 produced.

A new four-seat Dragon was delivered in 1933 to the Royal Flight for use by thePrince of Wales. It was sold in 1935. It was later pressed into service by the Royal Australian Air Force during the Second World War.

A special aircraft namedSeafarer was built forAmy Johnson (a pioneering English aviator) and her husbandJim Mollison (a famous Scottish pioneer aviator) to make an attempt at the world long distance record. It had a strengthened landing gear and the cabin had extra fuel tanks. It was intended to fly fromNew York City toBaghdad, Iraq, but at their first attempt at a transatlantic flight fromCroydon Airport in South London to the United States on 8 June 1933 the landing gear collapsed. After repairsSeafarer leftPendine Sands in South Wales and arrived atBridgeport, Connecticut, in the United States 39 hours later. However, on landing the aircraft turned over and was damaged.[2]

EI-ABIIolar in 2012

The engines and fuel tanks were recovered fromSeafarer and used in another Dragon namedSeafarer II. After three attempts to take off fromWasaga Beach, Ontario, Canada, forBaghdad, Iraq, the attempt was abandoned and the aircraft was sold. On 8 August 1934, the new owners, James Ayling and Leonard Reid, took off in the Dragon, renamedTrail of the Caribou, from Wasaga Beach in another attempt at the distance record. Although the intended target was Baghdad, throttle problems forced the attempt to be abandoned, andTrail of the Caribou landed atHeston Aerodrome, an airfield west of London, in Middlesex, England, after 30 hours 55 minutes, making the first non-stop flight between the Canadian mainland and Britain.[3][4]

The inaugural service of the Irish AirlineAer Lingus was provided by a DH.84 Dragon, registration EI-ABI and namedIolar, which means "Eagle" in theIrish language. For the 50th anniversary of the airline in 1986, a replacement Dragon was acquired, restored, reregistered as EI-ABI and repainted as theIolar.

Following the War, surviving DH.84s passed into commercial service, with three still flying today.

Accidents and incidents

[edit]
DH-84VH-UXG (Riama), 2003
  • 1 October 2012 –2012 Riama crash. A privately owned 1934 de Havilland DH.84 Dragon 2 registration VH-UXG, named Riama (pictured) went missing in bad weather returning from an air show nearMonto, Queensland,Australia toCaboolture.[22]Queensland Police found the wreckage nearBorumba Dam. All six occupants were killed and the aircraft destroyed after impacting a ridge.[23] The pilot and owner had flown into unexpected thick cloud and issued asécurité call. The aircraft's only primary instruments were an airspeed indicator and altimeter.

Variants

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  • Dragon 1: Twin-engined medium transport biplane.
  • Dragon 2: Improved version. Fitted with framed cabin windows and two faired main undercarriage legs.
  • DH.84M Dragon: Military transport version. The DH.84M was armed with two machine guns, and it could carry up to sixteen 20 lb (9 kg) bombs. Exported toDenmark,Iraq andPortugal.

Operators

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♠ Original operators

Military operators

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Australia
Austria
Brazil
Denmark
 Ethiopia
Iraq
Ireland
 New Zealand
Portugal
South Africa
Spanish Republic
 Turkey
United Kingdom
Kingdom of Yugoslavia

Civil operators

[edit]
 Australia
 Brazil
 Canada
 Czechoslovakia

A single de Havilland DH.84 Dragon, designed OK-ATO, was operated by the Bata shoe company as a short-haul executive transport

 Egypt
  • Misrair
 France
 India
 Ireland
A DH.84 Dragon, repainted in the livery of Aer Lingus' original aircraft "Iolar".
Kenya
 New Zealand
Portuguese Timor
 South Africa
  • African Air Transport ♠
 United Kingdom
DH.84 Dragon 1 of Air Navigation & Trading (UK) in 1956
Latvia

Specifications (DH.84 Dragon 1)

[edit]
De Havilland DH 84 3-view drawing from L'Aerophile February 1933

Data from de Havilland Aircraft since 1909[31]

General characteristics

  • Crew: 1
  • Capacity: 6–10 passengers
  • Length: 34 ft 6 in (10.52 m)
  • Wingspan: 47 ft 4 in (14.43 m)
  • Height: 10 ft 1 in (3.07 m)
  • Wing area: 376 sq ft (34.9 m2)
  • Airfoil:RAF 15[32]
  • Empty weight: 2,300 lb (1,043 kg)
  • Gross weight: 4,200 lb (1,905 kg)
  • Powerplant: 2 ×de Havilland Gipsy Major I 4-cylinder air-cooled inverted in-line piston engine, 130 hp (97 kW) each
  • Propellers: 2-bladed fixed-pitch propellers

Performance

  • Maximum speed: 128 mph (206 km/h, 111 kn)
  • Cruise speed: 109 mph (175 km/h, 95 kn)
  • Range: 460 mi (740 km, 400 nmi)
  • Service ceiling: 12,500 ft (3,800 m)
  • Rate of climb: 612 ft/min (3.11 m/s)

See also

[edit]

Related development

Related lists

References

[edit]
  1. ^Jackson 1973, p. 122
  2. ^Riding 1980, pp. 285–286.
  3. ^Riding 1980, p. 289.
  4. ^Lewis 1971, p. 265
  5. ^Ranter, Harro."Accident de Havilland DH.84 Dragon ZS-AEF, 26 Sep 1933".aviation-safety.net. Retrieved11 October 2019.
  6. ^"DEATH OF MAJOR COCHRAN-PATRICK, D.S.O., M.C."Flight.XXV: 971. 28 September 1933. No. 1292. Retrieved10 October 2019.
  7. ^Ranter, Harro."Accident de Havilland DH.84 Dragon G-ACGK, 08 Jan 1935".aviation-safety.net. Retrieved11 October 2019.
  8. ^"Fall From An Air Liner".The Times. No. 46995. London. 22 February 1935. p. 14.
  9. ^Terry Carter, "Jane and Elizabeth Du Bois – an American tragedy in Essex,"Loughton and District Historical Society Newsletter 189 (March/April 2011): 5–6.
  10. ^"A Strange Affsair: The deaths of two young Americans"(PDF).North Weald Airfield Museum. Archived fromthe original(PDF) on 18 August 2016. Retrieved9 October 2019.
  11. ^Ranter, Harro."Accident deHavilland DH.84 Dragon G-ACEV, 21 Feb 1935".aviation-safety.net. Retrieved9 October 2019.
  12. ^"The Royal Air Force: Service Notes and News".Flight.XXVII: 204. 21 February 1935. No. 1365. Retrieved10 October 2019.
  13. ^Poole 1999, pp. 12–13.
  14. ^"Aircraft Details for: G-ACMP (PDF)".CAA G-INFO. Civil Aviation Authority (UK). Archived fromthe original on 30 December 2017. Retrieved21 February 2020.
  15. ^The British Newspaper Archive:Western Daily Press, Tuesday 23 July 1935: 'PLANE DIVES INTO SEA.
  16. ^"De Havilland production p060". airhistory.org.uk. Retrieved2 March 2017.
  17. ^"Air Crash in the New Forest."Times [London, England] 27 March 1936: 14. The Times Digital Archive. Web. 4 Oct 201
  18. ^Queensland Times, 8 May 1938.
  19. ^Argus, 9 August 1938.
  20. ^"Pilot killed in Qantas crash".Canberra Times. p. 4. Retrieved11 February 2018.
  21. ^"Air crash in New Guinea".Cairns Post. 15 December 1951. p. 5. Retrieved11 February 2018.
  22. ^Up to 15 helicopters search for missing DH84 Dragon The Australian – 2 October 2012
  23. ^Police locate vintage plane crash site – Australian Broadcasting Corporation – Retrieved 3 October 2012.
  24. ^Dodds 2005, pp. 55–56
  25. ^Dodds 2005, p. 60
  26. ^"DH.84 Dragon. de Haviiland Aircraft South Africa".
  27. ^"Spanish Civil War Aircraft". Archived fromthe original on 5 February 2015. Retrieved14 April 2012.
  28. ^abcHooks 2011, pp. 42–48.
  29. ^Archive 1982, No. 2, p. 32
  30. ^Arthur 1992, p. 23
  31. ^Jackson 1987, p. 334
  32. ^Lednicer, David."The Incomplete Guide to Airfoil Usage".m-selig.ae.illinois.edu. Retrieved16 April 2019.

Bibliography

[edit]
Wikimedia Commons has media related toDe Havilland DH.84 Dragon.
  • Arthur, Robin (1992). "Pre-War Airliner Fleets: I. Hillman's Airways Ltd".Archive. No. 1.Air-Britain. pp. 23–24.ISSN 0262-4923.
  • "Complete Civil Registers: 5: CR-T: Portuguese Timor".Archive. No. 2.Air-Britain. 1982. p. 32.ISSN 0262-4923.
  • Dodds, Colin N. (2005).The Story of the de Havilland Dragon Types. Tonbridge, UK: Air-Britain (Historians) Ltd.ISBN 0-85130-363-3.
  • Hooks, Mike (October 2011). "Civvies at War".Aeroplane. Cudham: Kelsey Publishing Group.
  • Jackson, A.J. (1987).De Havilland Aircraft since 1909 (Third ed.). London: Putnam.ISBN 0-85177-802-X.
  • Jackson, A.J. (1988).British Civil Aircraft 1919–1972: Volume II (1988 ed.). London: Putnam (Conway Maritime Press).ISBN 0-85177-813-5.
  • Jackson, A.J. (1973).British Civil Aircraft since 1919 Volume 2. London: Putnam. p. 382.ISBN 0-370-10010-7.
  • Justo, Craig P. (January–February 2004). "Timeless Transport: Australia's Resurrected DH.84 Dragon".Air Enthusiast. No. 109. pp. 2–11.ISSN 0143-5450.
  • Lucchini, Carlo (April 1999). "Le meeting saharien de 1938" [The 1938 Sahara Air Meeting].Avions: Toute l'aéronautique et son histoire (in French). No. 73. pp. 53–57.ISSN 1243-8650.
  • Lewis, Peter (1971).British Racing and Record-Breaking Aircraft. London: Putnam.ISBN 0-370-00067-6.
  • Poole, Stephen (1999).Rough Landing or Fatal Flight. Douglas: Amulree Publications.ISBN 1-901508-03-X.
  • Riding, Richard (June 1980). "The Black Dragons".Aeroplane Monthly. Vol. 8, no. 6. pp. 284–290.ISSN 0143-7240.
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