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## RE: British Pie!

 To: "Toby Atwater" , "Spridgets@Autox. Team. Net (E-mail)" RE: British Pie! Fri, 10 Nov 2000 22:46:25 -0800
 Hi Guys It is normal for us Brits to round Pi up to 3.142 and then round up the answer as well! hey it's close OK! Regards John J Black Waterloo Drivetrain Systems http://www.waterloo-dtr.com -----Original Message----- From owner-spridgets at autox.team.net [mailto:owner-spridgets@autox.team.net]On Behalf Of Toby Atwater Sent: Friday, November 10, 2000 5:39 PM To: Spridgets@Autox. Team. Net (E-mail) Subject: British Pie! Hey, Im tripping over here. >From Haynes & Workshop manual: " Bore 70.61mm Stroke 81.28mm Capacity: 1274.8 cc " everytime I calculate it I get 1273.1 ccs. Are the british using some kind of different Pi? (3.14159265358979) (Bore/2)squared X PI X stroke X 4 = displacement right? (70.61/2)=35.305 35.305 squared = 1246.443025 1246.443025 X PI = 3915.81625 3915.81625 X 82.28 = 318277.5448372 318277.5448372 X 4 = 1273110.17934 1273110.17934 /1000 (convert to cc) = 1273.1101793 !!! Dude... what am I doing wrong? am I incorrect in asuming that all 4 cly are the same? or what? Thanks Toby trying to calculate his CR.
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