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I suggest that Joe Craig and Bert Hopwood might have been contemporaries. Getting the cylinder head so correct shows they knew something which Triumph did not. Their racing development history of the Manx would be interesting. I wonder what the combustion chamber shape was in the SOHC race motors. One of my mates has a Triton with a bigger than 650cc Triumph motor, and has won several historic championships with it. It has Puma cases, Nourish crank and Bonneville cylinder head. He still says he cannot beat the Nortons. - that is in the pre-1963 class. In the pre 73, class the 1100cc methanol fuelled CB750 Hondas are fast, but Nortons still give them worries.When I built my Seeley 850, I never believed in it - now I think differently.A thing I have noticed about genuine pre 1963 Manx Nortons, - it is almost impossible to get more trail on the steering. How would they arrive at that point ?
I suggest that Joe Craig and Bert Hopwood might have been contemporaries. Getting the cylinder head so correct shows they knew something which Triumph did not. Their racing development history of the Manx would be interesting. I wonder what the combustion chamber shape was in the SOHC race motors. One of my mates has a Triton with a bigger than 650cc Triumph motor, and has won several historic championships with it. It has Puma cases, Nourish crank and Bonneville cylinder head. He still says he cannot beat the Nortons. - that is in the pre-1963 class. In the pre 73, class the 1100cc methanol fuelled CB750 Hondas are fast, but Nortons still give them worries.
When I built my Seeley 850, I never believed in it - now I think differently.
A thing I have noticed about genuine pre 1963 Manx Nortons, - it is almost impossible to get more trail on the steering. How would they arrive at that point ?
