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Sopwith Snapper Aircraft Information

Sopwith Snapper

Snapper

National origin: United Kingdom
Manufacturer: Sopwith
First flight: 1919
Status: Prototype
Number built: 3

The Sopwith Snapper was a prototype British Fighter aircraft of the First World War. A single engined biplane designed by the Sopwith Aviation Company to replace the Sopwith Snipe fighter, it first flew after the end of the war, but did not enter service owing to the failure of its engine, only three aircraft being built.

Development and design

In 1918, the British Air Ministry developed a requirement for a single seat fighter to replace the Royal Air Force's Sopwith Snipes, even though the Snipe had yet to enter service. This requirement, RAF Type 1, specified the new ABC Dragonfly air-cooled radial engine, which had been ordered into production in large numbers on the basis of excellent promised performance and ease of production despite the fact that it had yet to complete testing.

To meet this requirement, Sopwith produced two new and completely different designs, a triplane (the Sopwith Snark) and a more conventional biplane, which was named the Snapper. The Air Ministry ordered three prototype Snappers, along with three Snarks. (In addition Sopwith received orders for 300 Dragonfly powered Snipes as the Sopwith Dragon).

The Snapper was a small single-bay biplane with heavily staggered wings. It was originally intended to have a wooden monocoque fuselage (as did the Sopwith Snail lightweight fighter and the Snark), but this was abandoned to ease production, with a more conventional wire-braced fabric covered fuselage substituted. The cockpit was positioned aft of the wings, providing good visibility to the pilot, while two forward firing synchronised Vickers machine guns were mounted on the fuselage top decking.

The change in fuselage design delayed production of the fuselage, with further delays being caused by the engine which was overweight, and suffered from catastrophic reliability and vibration problems. The first Snapper flew at Brooklands in May 1919, soon followed by the other two aircraft. Although performance was good when the Dragonfly was working correctly, the engines problems were unsolvable, with the engine eventually being cancelled in September 1919. Although Sopwith attempted to enter one of the Snappers (with the civil registration K149) into the 1919 Aerial Derby where it was to be flown by Harry Hawker, this was forbidden by the Air Ministry (officially as its engine was still classified as Secret) and the three Snappers were used for test flying by the Royal Aircraft Establishment.

Specifications

Data from British Aeroplanes 1914-18

General characteristics

Crew: One
Length: 20 ft 7 in (6.28 m)
Wingspan: 28 ft 0 in (8.54 m)
Height: 10 ft (3.05 m)
Wing area: 292 ft (27.1 m)
Empty weight: 1,462 lb (665 kg)
Loaded weight: 2,190 lb (995 kg)
Powerplant: 1x ABC Dragonfly 9-cylinder air-cooled radial engine, 360 hp (269 kW)

Performance

Maximum speed: 140 mph (122 knots, 225 km/h) at 10,000 ft (3,050 m)
Service ceiling: 23,000 ft (7,000 m)
Wing loading: 7.5 lb/ft (36.7 kg/m)
Power/mass: 0.16 hp/lb (0.27 kW/kg)
Climb to 10,000 ft (3,050 m): 7 min 50 sec

Armament

Guns: 2x forward firing, synchronised .303 in Vickers machine guns

Comparable aircraft

Armstrong Whitworth Ara
BAT Basilisk
Nieuport Nighthawk
Sopwith Dragon
Sopwith Snark
Westland Wagtail

"The Aerial Derby". Flight, 26 June 1919, pp. 837-847.
Bruce, J.M. British Aeroplanes 1914-18. London:Putnam, 1957.
Bruce, J.M. War Planes of the First World War: Fighters Volume Three. London:Macdonald, 1969. ISBN 0 356 01490 8.
Mason, Francis K. The British Fighter since 1912. Annapolis, USA:Naval Institute Press, 1992. ISBN 1-55750-082-7.

Sopwith Snapper Pictures and Sopwith Snapper for Sale.

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Source: WikiPedia

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