Clive Leyman (born October 24 1935) is a Welsh aerodynamicist and was the chief aerodynamicist of Concorde.
Early life He was the son of William Henry Leyman (February 23 1907 - February 1988), of 36 Mary Street and Prudence (1907-1986).Neath Guardian Thursday 14 January 1971, page 1 His father became General Manager of Red Dragon Relays.Neath Guardian Thursday 18 August 1977, page 1 His mother died on January 21 1986.South Wales Daily Post Wednesday 22 January 1986, page 2 His father Billy Leyman died on Sunday February 14 1988 at Neath General Hospital.South Wales Post Tuesday 16 February 1988, page 2
He went to Neath Grammar School for Boys in Wales. He studied at Queen Mary College in London.
Career
BAC He joined the Bristol Aeroplane Company in 1957, which became BAC in 1960. He became the Chief Aerodynamicist at BAC.Flight International March 1969
He worked with Jean Rech of Aérospatiale. Aerodynamic research for Concorde was notably carried out with the BAC 221, which had a droop nose, and the Dassault Mirage IV. Concorde had an ogee-shaped wing. The Concorde delta began at 57 degrees. Wave drag, lift-induced drag (vortex drag) and trim drag were important.
British Aerospace With British Aerospace, he became the Chief Engineer of the HOTOL project.
He later became a part-time Professor in Mechanical Engineering and Aeronautics at City, University of London.Royal Academy of Engineering February 2005
Personal life In 1955, he was the assistant scout master of the 5th Neath scout group.Neath Guardian Friday 23 September 1955, page 10 He married Mair Davies on Saturday 31 August 1957 at St David's Church in Neath.Neath Guardian Friday 6 September 1957, page 16
He later married Daphne Phipps in 1985. He lives in Pucklechurch, a village on the B4465 in South Gloucestershire, close to the M4.
Publications Concorde aerodynamics and associated systems development, American Institute of Aeronautics and Astronautics, 1980 (with Jean Rech) A Review of the Technical Development of Concorde, Progress in Aerospace Sciences Volume 23 1986
See also Ray Creasey, chief aerodynamicist of the English Electric Lightning Don Dykins, chief aerodynamicist for British Aerospace Civil Division Aerospace industry in the United Kingdom
References
External links BAC 100