Leslie Frise
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Leslie Frise

Leslie Frise
Born
Leslie George Frise

(1895-07-02)2 July 1895
Bristol, Gloucestershire, England
Died26 September 1979(1979-09-26) (aged 84)
Bristol, Gloucestershire, England
NationalityUnited Kingdom
OccupationAerospace engineer and designer

Leslie George Frise FRAeS (2 July 1895 - 26 September 1979) was a British aerospace engineer and aircraft designer; he designed the Type 156 Bristol Beaufighter. He was involved in the development of aircraft and gun-turret hydraulic systems.

Early life

Frise was born in Bristol, Gloucestershire, an area which is now known as South Gloucestershire. He was educated at Bristol Grammar School and gained a BSc degree in Mechanical Engineering from the University of Bristol.[1] Early in First World War he served in the Royal Naval Air Service (RNAS).[1]

Boulton Paul Aircraft

In 1915 he started Boulton Paul Aircraft's first aircraft factory at Mousehold Heath, Norwich to make 100 Sopwith Camels. The company was previously a general manufacturing firm that had begun in 1873.

Bristol Aeroplane Company

In August 1915, Frank Barnwell rejoined Bristol Aeroplane Company and was looking for an assistant. He interviewed Leslie Frise and employed him in 1916; Frank Barnwell would become one of Bristol's main aircraft designers until his death on 2 August 1938 in an aviation accident. With Barnwell he developed the 1916 Bristol F.2 Fighter.

Frise aileron

He invented the Frise aileron, also known as the slotted aileron, in 1921, which is designed to counteract adverse yaw, which won him the Royal Aeronautical Society's Wakefield Gold Medal (for advances in aviation safety) awarded on 30 May 1933. The Frise aileron has an effect on parasitic drag so that the total drag on both wings is the same when an aircraft executes a roll.

In 1934 he developed, with Frank Barnwell, the Bristol Type 143, a monoplane with retractable undercarriage; only one prototype was made.

In 1936, when Barnwell became chief engineer, Frise became chief designer.

He worked for 32 years for Bristol retiring, as chief engineer, in 1946 on grounds of ill health.[2]

Percival Aircraft

Frise joined Percival Aircraft in 1948 as technical director and chief engineer.[1] He designed a naval version of the Percival Prince and the Percival Sea Prince. He also designed the Percival Provost basic trainer and a jet-powered version the Jet Provost.[1] In 1956 he left to become Director of Special Projects with Blackburn Aircraft.[1]

Aircraft designed

Bristol Beaufighter at the RAF Museum; it first flew on 17 July 1939; it entered operations on 17 September 1940

Frise was involved in the design of or lead the design team as chief engineer for the following aircraft:

Personal life

Frise married in 1922 in Bristol; they had a son born in 1938 and a daughter in 1948. He died in Bristol aged 84.

Honours and awards

Frise was admitted to the Freedom of the City of London in 1948.[3]


References

  1. ^ a b c d e "Mr L. G. Frise". The Times (60482). London. 23 November 1979. p. 1.
  2. ^ "Mr Frise resigns" Flight 11 April 1946 p258
  3. ^ "Freedom of London". Western Daily Press. 19 October 1948. p. 3.

External links

Business positions
Preceded by
Frank Barnwell
Chief Designer of the Bristol Aeroplane Company
August 1938 - April 1946
Succeeded by
Sir Archibald Russell

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

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