Rolls-Royce Meteor possibility of a Universal tank, able to undertake both high-armour (Infantry tank) and high-mobility (Cruiser tank) roles. Ultimately, this resulted in the Centurion tank and evolved into the main battle tank concept. The Meteor was used in the following vehicles: Rolls-Royce Meteor The Rolls-Royce Meteor and later the Rover Meteor was a British tank engine developed in the Second World War. It was used in British tanks up to 1964. It was developed from the Rolls-Royce Merlin aero-engine by W. A. Robotham and his chassis design and development division at Clan Foundry, Belper, as they were not involved in aero-engine
Rolls-Royce Crecy the Ricardo E65 engine achieved the equivalent of for the complete engine. By June 1945 a total of 1,060 hours had been run on the V12 engines with a further 8,600 hours of testing on the V-twins. The fate of the six Crecy engines remains unknown. The Crecy proved a unique exercise and Rolls-Royce did not develop any other two-stroke aero engines, the whole concept of advanced piston engines at that time being overtaken by the advent of the practical jet engine. In the Summer of 1941 Supermarine Spitfire Mk II "P7674" was delivered to Hucknall and fitted with a