Hillson Helvellyn

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Hillson Helvellyn
RoleTwo-seat training monoplane
National originUnited Kingdom
Manufacturer F Hills & Sons
DesignerNorman Sykes
First flight1939
Number built1

The Hillson Helvellyn was a 1940s British two-seat training monoplane designed by Norman Sykes and built by F Hills & Sons of Trafford Park. [1] [2]

Contents

Design and development

With the prospect of war and the requirement for the Royal Air Force to train pilots the company decided to design a small basic trainer that could be built quickly and cheaply. [3] The Helvellyn was a mid-wing monoplane with two tandem open cockpits and powered by a 90 hp (67 kW) Blackburn Cirrus Minor I piston engine. [2] It had a conventional landing gear but was designed to be fitted with a tricycle landing gear. [3]

Designed by Norman Sykes and built at Trafford Park in Manchester in 1939, only the prototype registered G-AFKT [4] was completed. With an ample supply of de Havilland Tiger Moths and Miles Magisters and a lack of interest from the RAF development was stopped in 1940 and the prototype was used by the company as a liaison aircraft particularly between Barton and Ispwich. [2] It was dismantled in November 1942. [2]

Specifications

Data from [2] British Civil Aircraft since 1919 Volume 3

General characteristics

Performance

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References

  1. Orbis 1985, p. 2159
  2. 1 2 3 4 5 Jackson 1974, p. 254
  3. 1 2 "F.Hills & Sons - The Helvelllyn". FlyPast. Merseyside Aviation Society. 23 (2): 46–49. February 1978.
  4. "United Kingdom Civil Aviation Authority record for G-AFKT" (PDF). Archived from the original (PDF) on 14 September 2012. Retrieved 2 June 2011.

Bibliography

  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.
  • Jackson, A.J. (1974). British Civil Aircraft since 1919 Volume 3. London: Putnam. ISBN   0-370-10014-X.