si8433176 Posted June 1, 2013 Report Share Posted June 1, 2013 Hi all, I'm just finishing a project and wondered what cc it is, i can't remember the formula. my bore is 83.75 and stroke is 78.40 could someone jog my memory please. Best regards Si Quote Link to comment Share on other sites More sharing options...
feetupfun Posted June 1, 2013 Report Share Posted June 1, 2013 volume of a cylinder = pi x radius x radius x stroke. If you want the answer in ccs, use centimetres as your units of length Quote Link to comment Share on other sites More sharing options...
mattyholmes100 Posted June 1, 2013 Report Share Posted June 1, 2013 If your measurements are in mm and your first number is diameter then i get it as 430cc. Don't quote me on it as its a long time since i was at school! 1 Quote Link to comment Share on other sites More sharing options...
guys Posted June 1, 2013 Report Share Posted June 1, 2013 On 6/1/2013 at 11:59 AM, mattyholmes100 said: If your measurements are in mm and your first number is diameter then i get it as 430cc. Don't quote me on it as its a long time since i was at school! Yep, 431,67cc Quote Link to comment Share on other sites More sharing options...
si8433176 Posted June 1, 2013 Author Report Share Posted June 1, 2013 thanks for your help guys. Quote Link to comment Share on other sites More sharing options...
bashplate Posted June 2, 2013 Report Share Posted June 2, 2013 "Just finishing a project" .......we need pictures please. 1 Quote Link to comment Share on other sites More sharing options...
nigel dabster Posted June 2, 2013 Report Share Posted June 2, 2013 Agreed, any one who has a sum done for them must publish pictures. 1 Quote Link to comment Share on other sites More sharing options...
robf1965 Posted June 9, 2013 Report Share Posted June 9, 2013 Does it still look like this? hope you are doing some trials soon Rob. Quote Link to comment Share on other sites More sharing options...
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