de Havilland DH.86A Wallpapers

de Havilland DH.86A Aircraft - photo wallpapers; Megawallpapers.org : During 1933 talks between the governments of Great Britain, India, Malaya, the Straits Settlements and Australia resulted in an agreement to establish an Empire Air Mail Service. [br]The Australian Government called tenders on 22 September 1933 for the [br]Singapore-Australia legs of the route, continuing as far south as Tasmania. On the following day Qantas, anticipating success in contracting for the Singapore-Brisbane leg, placed an order with de Havillands for an as yet undesigned aircraft to be designated the de Havilland 86, the prototype to fly by the end of January 1934. This order was soon followed by one from Holymans Airways of Launceston, Tasmania to operate the Bass Strait leg of the service. The DH 86 was initially styled the Express or Express Air Liner although the name was soon discontinued. The DH 86 was conceptually a four-engined enlargement of the successful de Havilland 84 Dragon, [br]but of more streamlined appearance with a plywood box section fuselage [br]instead of the tubular steel framework of the earlier aircraft. The [br]most powerful engine made by de Havilland, the new 200 horse power [br]Gipsy Six, was selected. For long-range work the aircraft was to carry [br]a single pilot in the streamlined nose, with a wireless operator [br]behind. Maximum seating for ten passengers was provided in the [br]long-range type, however the short-range Holyman aircraft were fitted [br]with twelve seats. The prototype DH 86 first flew on 30 January 1934, but the Qantas representative Lester Brain [br]immediately rejected the single pilot layout because he anticipated [br]pilot fatigue over long stretches, and the fuselage was promptly [br]redesigned with a dual-pilot nose. Only four examples of the [br]single-pilot DH 86 were built, and of these the prototype was rebuilt [br]as the dual-pilot prototype. When she entered service in October 1934 [br]the first production aircraft, Holymans' single-pilot DH 86 Miss Hobart, [br]was the fastest British-built passenger aircraft operating anywhere in [br]the world - the dual pilot type with its lengthened nose proved to be [br]even faster. Investigations in 1936 following a series of fatal crashes resulted in late production aircraft being built with "Zulu Shield" extensions to the tail planes to improve lateral stability - these aircraft were designated DH 86Bs. Operational History: Dual pilot DH 86s were built for Imperial Airways and given the class name Diana. They were used on European and Empire air routes including the run from Khartoum to Lagos. DH 86s were also built for New Zealand's Union Airways, flying between Auckland, Palmerston North and Wellington. [br]During World War II, the New Zealand aircraft fitted with bomb racks, [br]were used to hunt German raiders and Japanese shipping by the Royal New Zealand Air Force. The survivors served with NAC post war. A total of 15 DH 86s and DH 86Bs operated commercially within Australia and New Guinea up till the outbreak of World War II. Eight DH 86s served in the RAAF as A31-1 to A31-8 during the War. Some served as air ambulances in the Middle East, while others did sterling work as transport aircraft in New Guinea. A total of 62 DH 86s of all types were built. Most of those still flying in Europe at start of World War II were taken also into military service, mostly for communications and radio navigational training. Few survived the war.[br]Country of origin: GB [br]_________________________________________________________________________________________________ [br]Engines: two 200hp de Havilland Gipsy 6 in-lines [br]_________________________________________________________________________________________________ [br]Wingspan: 19.66 m (64ft 6in) [br]_________________________________________________________________________________________________ [br]Lenght: 14.05 m (46ft 1in) [br]_________________________________________________________________________________________________ [br]Height: 3.96 m (13ft) [br]_________________________________________________________________________________________________ [br]Weight loaded: 4649 kg (10,250lb) [br]_________________________________________________________________________________________________ [br]Cruising speed: 233 km/h (145mph) [br]_________________________________________________________________________________________________ [br]Service celling: 5305 m (17,400ft) [br]_________________________________________________________________________________________________ [br]Range: not known [br]_________________________________________________________________________________________________ [br]Passengers + crew: 10 + 2 [br]_________________________________________________________________________________________________

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de Havilland DH.86A Wallpapers @ Mega Wallpapers (08 Edition)
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