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Concept
Sopwith Atlantic
Résumé
The Sopwith Atlantic was an experimental British long-range aircraft of 1919. It was a single-engined biplane that was designed and built to be the first aeroplane to cross the Atlantic Ocean non-stop. It took off on an attempt to cross the Atlantic from Newfoundland on 18 May 1919, but ditched during the flight owing to an overheating engine.
In 1913, the British newspaper the Daily Mail offered a prize of £10,000 for the first flight across the Atlantic. Although plans were drawn up to attempt to win the prize, notably by Rodman Wanamaker, who ordered two Curtiss America flying boats, with John Cyril Porte selected to be the pilot, the outbreak of the First World War in August 1914 put a stop to these plans. Following the Armistice on 11 November 1918, the competition was reopened, Thomas Sopwith, the head of the Sopwith Aviation Company decided to build an aircraft to compete for the prize.
George Carter of Sopwith based his design for the transatlantic aircraft on the single-engined Sopwith B.1 bomber aircraft. It was a large, two-bay biplane powered by a Rolls-Royce Eagle engine in a tractor configuration. The new aircraft had a deeper fuselage than the B.1, housing a fuel tank carrying 330 imperial gallons (1,500 L) of petrol and with the crew of two sat well aft of the wings. The undercarriage mainwheels were jettisonable to reduce drag, while a boat was provided in case of emergency landing on the sea, being built into the fuselage decking behind the crew's cockpit.
The transatlantic aircraft, named the Sopwith Atlantic was designed and built quickly, being completed early in 1919. Following testing at Brooklands airfield, the Atlantic was dismantled and dispatched to Newfoundland aboard ship, arriving on 28 March 1919. The aircraft was soon assembled, but weather was poor, with the chosen airstrip at St John's snowbound. Despite the fact that the competing Martinsyde aircraft had also arrived in Newfoundland, the crew of the Atlantic, Australian pilot Harry Hawker and navigator Kenneth Mackenzie Grieve could not attempt the Atlantic flight for several weeks.
Source officielle
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