Clive Leyman (born 1935) is a Welsh

aerodynamicist Aerodynamics () is the study of the motion of air, particularly when affected by a solid object, such as an airplane wing. It involves topics covered in the field of fluid dynamics and its subfield of gas dynamics, and is an important domain of ...

and was the chief aerodynamicist of

Concorde Concorde () is a retired Anglo-French supersonic airliner jointly developed and manufactured by Sud Aviation and the British Aircraft Corporation (BAC). Studies started in 1954, and France and the United Kingdom signed a treaty establishin ...

Early life

He went to Neath Grammar School for Boys in

Wales Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wales border, east, the Bristol Channel to the south, and the Celtic ...

. He studied at

Queen Mary College Queen Mary University of London (QMUL, or informally QM, and formerly Queen Mary and Westfield College) is a public research university in Mile End, East London, England. It is a member institution of the federal University of London. Today, ...

in London.

Career

BAC

He joined the

Bristol Aeroplane Company The Bristol Aeroplane Company, originally the British and Colonial Aeroplane Company, was both one of the first and one of the most important British aviation companies, designing and manufacturing both airframes and aircraft engines. Notable ...

in 1957, which became BAC in 1960. He became the Chief Aerodynamicist at BAC. He worked with

Jean Rech Jean Rech (1931 - December 2017) was a French aerodynamicist, and the chief aerodynamicist for Concorde, on the French division. Early life He attended École nationale supérieure de l'aéronautique et de l'espace (known as Supaéro). Career ...

Aérospatiale Aérospatiale () was a major French state-owned aerospace manufacturer, aerospace and arms industry, defence corporation. It was founded in 1970 as () through the merger of three established state-owned companies: Sud Aviation, Nord Aviation ...

. Aerodynamic research for Concorde was notably carried out with the BAC 221, which had a droop nose, and the

Dassault Mirage IV The Dassault Mirage IV is a French supersonic strategic bomber and deep-reconnaissance aircraft. Developed by Dassault Aviation, the aircraft entered service with the French Air Force in October 1964. For many years it was a vital part of the ...

. Concorde had an

ogee An ogee ( ) is an object, element, or curve—often seen in architecture and building trades—that has a serpentine- or extended S-shape (Sigmoid curve, sigmoid). Ogees consist of a "double curve", the combination of two semicircle, semicircula ...

-shaped wing.

British Aerospace

With

British Aerospace British Aerospace plc (BAe) was a British aircraft manufacturer, aircraft, munitions and defence-systems manufacturer that was formed in 1977. Its head office was at Warwick House in the Farnborough Aerospace Centre in Farnborough, Hampshire. ...

, he became the Chief Engineer of the

HOTOL HOTOL, for Horizontal Take-Off and Landing, was a 1980s British design for a single-stage-to-orbit (SSTO) spaceplane that was to be powered by an airbreathing jet engine. Development was being conducted by a consortium led by Rolls-Royce and Br ...

project. He later became a part-time Professor in Mechanical Engineering and Aeronautics at

City, University of London City, University of London was a public university from 1966 to 2024 in London, England. It merged with St George's, University of London to form City St George's, University of London in August 2024. The names "City, University of London" an ...

.Royal Academy of Engineering February 2005
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Personal life

He lives in

Pucklechurch Pucklechurch is a civil parish in South Gloucestershire, England, the main settlement of which is the large village of Pucklechurch. The parish also incorporates the hamlet of Shortwood to the west of Pucklechurch village, and Parkfield to the ...

, a village on the B4465 in

South Gloucestershire South Gloucestershire is a unitary authority area in the ceremonial county of Gloucestershire, South West England. Towns in the area include Yate, Chipping Sodbury, Kingswood, Thornbury, Filton, Patchway and Bradley Stoke. The southern p ...

, close to the M4. He married in 1957. He married Daphne Phipps in 1985.

Publications

* ''Concorde aerodynamics and associated systems development'',

American Institute of Aeronautics and Astronautics The American Institute of Aeronautics and Astronautics (AIAA) is a professional society for the field of aerospace engineering Aerospace engineering is the primary field of engineering concerned with the development of aircraft and spacecra ...

, 1980 (with Jean Rech) * ''A Review of the Technical Development of Concorde'', ''

Progress in Aerospace Sciences ''Progress in Aerospace Sciences'' is a monthly peer-reviewed scientific journal covering all areas of aerospace and aerospace engineering. It covers all areas of aerospace and aerospace engineering, particularly with respect to new theoretical and ...

'' Volume 23 1986

References

External links

BAC 100
{{DEFAULTSORT:Leyman, Clive 1935 births Academics of City, University of London Aerodynamicists Alumni of Queen Mary University of London Bristol Aeroplane Company British Aircraft Corporation Concorde People educated at Neath Grammar School for Boys People from Neath Welsh aerospace engineers Living people 20th-century British engineers