Thanks for that. Elsewhere on Wikipedia there is the Merlin XII as having this feature: https://en.wikipedia.org/wiki/Rolls-Royce_Merlin https://en.wikipedia.o

Thanks for that. Elsewhere on Wikipedia there is the Merlin XII as having this feature: https://en.wikipedia.org/wiki/Rolls-Royce_Merlin https://en.wikipedia.org/wiki/Rolls-Royce_Merlin ...beginning in 1939. Ford - Manchester UK only got going in 1940. I didn't realise that Ford in America turned down the job, that must have been Mr very contrary Ford for you! I must have gleaned that 'fact' regarding the Rolls Royce blueprints being no good for Ford from the History Channel. I do wonder though about how much Ford thinking influenced Rolls Royce and their shadow factories elsewhere in England, where they did use relatively untrained staff to crank out the volume.