Rolls-Royce Limited its unreliable Rolls-Royce Vulture engines), Vickers Wellington (twin-engine); it also transformed the American North American P-51 Mustang into a competitor for the best fighter of its time, its engine a Merlin engine built by Packard under licence. Over 160,000 Merlin engines were produced, including over 30,000 by the Ford Motor Company at Trafford Park, Manchester. During the war most Rolls-Royce flight testing of engines was carried out from Hucknall Aerodrome. The Merlin crossed over into military land-vehicle use as the Meteor powering the Centurion tank among others. Many Meteor engines used engine blocks and parts that failed requirements for high
Rolls-Royce V8 engine of work under Les Maddock and Colin Weston, the first result of which was the N80, a 4-valve, double overhead camshaft, 5.0 litre V8. This successfully ran first stage 1000 hours testing straight off the drawing board without incident. Subsequently, the marketing brief foresaw the requirement for a higher capacity version and the N81, 6.0 litre version, was designed. The project was stopped around 1991 with further development of the L410 engine that enabled emissions requirements to be met using a pre-catalyst assembly at substantially lower investment. Rolls-Royce V8 engine In the history of Rolls-Royce automobiles, only two distinct series