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Alan Arnold Griffith CBE FRS [1] (13 June 1893 – 13 October 1963), was an English engineer and the son of Victorian science fiction writer George Griffith.Among many other contributions, he is best known for his work on stress and fracture in metals that is now known as metal fatigue, as well as being one of the first to develop a strong theoretical basis for the jet engine.
The Rolls-Royce Griffon is a British 37-litre (2,240 cu in) capacity, 60-degree V-12, liquid-cooled aero engine designed and built by Rolls-Royce Limited. In keeping with company convention, the Griffon was named after a bird of prey , in this case the griffon vulture .
The RB.108 was the first direct-lift turbojet produced by Rolls-Royce. It originated from a VTOL concept in which Alan A. Griffith proposed using a small number of specialised lift engines in a VTOL aircraft, separate from the engines which provided forward propulsion.
This is a chronological index for the start year for motor vehicle brands (up to 1969). For manufacturers that went on to produce many models, it represents the start date of the whole brand; for the others, it usually represents the date of appearance of the main (perhaps only) model that was produced.
This is a list of fixed-wing aircraft capable of vertical take-off and landing arranged under manufacturer. The list excludes helicopters, including compound helicopters and gyrocopters, because they are assumed to have this capability.
The Magic of a Name: The Rolls-Royce Story, The First 40 Years. London: Icon Books, 2000. ISBN 1-84046-151-9. Pugh, Peter. The Magic of a Name: The Rolls-Royce Story, Part 2, The Power Behind the Jets. London: Icon Books, 2001. ISBN 1-84046-284-1. Pugh, Peter. The Magic of a Name: The Rolls-Royce Story, Part 3, A Family of Engines. London: Icon ...
What is the release date for the live-action How to Train Your Dragon remake? How to Train Your Dragon, produced by Universal, will be released on June 13, 2025. The movie has already been filmed ...
The following is a list of episodes, listed in order of their original air date, along with information regarding featured cars that were reviewed and the main feature of the episode; for the second series only, the list also includes the celebrity guests who appeared on the programme.