Sopwith Snail Sopwith Snail The Sopwith 8F.1 Snail was a prototype British Fighter aircraft of the First World War. It was unsuccessful, being abandoned due to an unreliable engine. The Sopwith 8F.1 Snail was designed by Herbert Smith of Sopwith Aviation Company to meet the Air Board Specification A.1A for a light fighter with superior performance to the Sopwith Camel. Herbert Smith designed a small single-bay biplane, powered by the 170 hp (127 kW) ABC Wasp radial engine. An initial order was placed on 31 October 1917 for six prototypes with a conventional wood and fabric framework structure, but this was revised
Sopwith Hippo Sopwith Hippo The Sopwith 3F.2 Hippo was a prototype British two-seat fighter aircraft of the First World War. It was a single-engined biplane with considerable negative stagger. It was not successful, the Bristol F.2 Fighter (already in production) being preferred by the Royal Flying Corps. In the summer of 1917, the Sopwith Aviation Company designed a two-seat fighter aircraft, the 3F.2 Hippo, possibly to replace the Sopwith 1½ Strutter in French service. While the British Air Board did not place an order for the Hippo, it did grant Sopwith a licence to allow it to build prototypes as a private