Douglas DC-4 Carvair Wallpapers

Douglas DC-4 Carvair Aircraft - photo wallpapers; Megawallpapers.org  :  The DC-4 is a four-engined airliner developed by theDouglas Aircraft Company. It served extensively during the Second World War in a military role, and after the war for civilian airlines. The designation DC-4 was used by Douglas Aircraft Company when developing the DC-4E as a large, four-engined type to complement its forthcoming DC-3 design. It was intended to fulfill United Airlines' [br]requirement for a long-range passenger airliner. The DC-4E (E stands [br]for experimental) emerged as a 52-passenger airliner with a fuselage of [br]unusually wide cross-section for its day and a triple fin tail unit, [br]similar to that later used by Lockheed on its Constellation. The DC-4E first flew on June 7, 1938, [br]and was used by United Air Lines for test flights. But the type proved [br]to be ahead of its time - it was complicated to maintain and [br]uneconomical to operate. The sponsoring airlines, Eastern [br]and United, decided to ask instead for a smaller and simpler derivative [br]but before the definitive DC-4 could enter service the outbreak of the [br]Second World War meant production was channelled to the United States Army Air Forces and the type given the military designation C-54. Additional versions used by the US Navy were designated R5D. The first aircraft, a C-54, flew from Clover Field in Santa Monica, California on February 14, 1942. The DC-4 had a notable innovation in that its nose-wheel landing [br]gear allowed it to introduce a fuselage of constant cross-section. This [br]lent itself to easy stretching into the later DC-6 and DC-7. [br]1,163 DC-4s were built for the United States military services between [br]1942 and 1946. Douglas continued to develop the type during the war in [br]preparation for a return to airline services when peace returned. [br]However, the type's sales prospects were hit by the offloading of 500 [br]wartime C-54s and R5Ds onto the civil market. DC-4's were a favorite of [br]"start up" airlines (aka-nonschedueled or supplemental carriers) such [br]as Great Lakes Airlines, North American Airlines, Universal Airlines, [br]Transocean Airlines, etc. In the 1950s, Transocean Airlines (Oakland, [br]California) was the largest operator of the DC-4. Douglas built just 74 new-build aircraft before production ceased on August 9, 1947. Pressurization was available as an option, but all civilian DC-4s were built unpressurised. Country of origin: GB [br]_________________________________________________________________________________________________ [br]Engines: four 1450hp Pratt & Whitney R-2000-7M2 Twin Wasp 14-cylinder radials [br]_________________________________________________________________________________________________ [br]Wingspan: 35.81 m (117ft 6in) [br]_________________________________________________________________________________________________ [br]Lenght: 31.27 m (102ft 7in) [br]_________________________________________________________________________________________________ [br]Height: 8.38 m (27ft 6in) [br]_________________________________________________________________________________________________ [br]Weight loaded: 33,475 kg (37,800lb) [br]_________________________________________________________________________________________________ [br]Cruising speed: 342 km/h (213mph) [br]_________________________________________________________________________________________________ [br]Service celling: 5700 m (18,700ft) [br]_________________________________________________________________________________________________ [br]Range: 3700 km (2300 miles) [br]_________________________________________________________________________________________________ [br]Crew: 3 [br]_________________________________________________________________________________________________

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Douglas DC-4 Carvair Wallpapers @ Mega Wallpapers (08 Edition)
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