Airspeed Tern
Encyclopedia
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The Airspeed AS.1 Tern was a 1930s British
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 glider aircraft
Glider aircraft
Glider aircraft are heavier-than-air craft that are supported in flight by the dynamic reaction of the air against their lifting surfaces, and whose free flight does not depend on an engine. Mostly these types of aircraft are intended for routine operation without engines, though engine failure can...

, the first aircraft built by Airspeed Limited at York
York
York is a walled city, situated at the confluence of the Rivers Ouse and Foss in North Yorkshire, England. The city has a rich heritage and has provided the backdrop to major political events throughout much of its two millennia of existence...

 and one of the earliest British-designed gliders.

Development

The Tern was designed by Hessell Tiltman & Nevil Shute Norway
Nevil Shute
Nevil Shute Norway was a popular British-Australian novelist and a successful aeronautical engineer. He used his full name in his engineering career, and 'Nevil Shute' as his pen name, in order to protect his engineering career from any potential negative publicity in connection with his novels.-...

 to gain records and publicity for the new Airspeed company, as well as to attract orders for new aircraft. Designed for hill- and cloud-soaring, the Tern was a wood-and-fabric cantilever monoplane. It was designed to be dismantled and was advertised for sale at £248. Only two examples were built.

On 24 August 1931 the Tern was flown by Carli Magersuppe from Stoupe Brow, Ravenscar to Scarborough to gain the first British distance record of 8.3 miles (13.4 km). The glider flew a total of 16 miles but only the straight-line distance counted towards the record.

The Tern was constructed of wood with a fabric-covered two-spar cantilevered tapered wing with no dihedral. A plywood leading edge was fitted but only as an aerodynamic fairing and not as primary structure. The trapezoidal-section fuselage had plywood lower sides and fabric-covered top decking as well as a generous cockpit in the leading edge of the centre-section.

The Tern had some success in establishing gliding records but only one was completed and parts for one more were produced. After languishing through the Second World War
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

the Tern was re-built, using parts from both airframes, but did little flying.

Specifications

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