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Timing chest gears

wmg73141

Well Known and Active Forum Website User
Non-VOC Member
Can anyone state with certanty what is the correct pressure angle used on Vincent timing gear teeth please?
 

rapcom

Well Known and Active Forum Website User
VOC Member
The pressure angle on Vincent timing gear teeth is 20 degrees.
Diametral Pitch is 16.
Source: Vincent Instruction Sheets No. 6, Timing Gear.
Regards Dick
 

wmg73141

Well Known and Active Forum Website User
Non-VOC Member
Thank you RAPCOM, I was in the odd position where I lack the means to determine the PA angle with any certainty from an existing gear while being able to make one once knew! Begorrah!

You never know I might even get the 'ol Comet out on the road again after something like a 20 year layoff, we've been together 40 odd years man & boy, (please feel free to hum along with the tune). (Excuse: Marriage, mortgage, kids, you get the picture!)
 
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