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Old 01-26-2016, 07:49 AM
Dr Winston O Boogie jr's Avatar
Dr Winston O Boogie jr Dr Winston O Boogie jr is offline
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Quote:
Originally Posted by ajbrown View Post
You had me right up to the paragraph i left from your OP. If I have not made a silly error here are the details...

If the OD of a tire is 12 inches, the circumference is 37.7 inches.
If the OD of a tire is 14 inches , the circumference is 43.98

A more real world example is the stock tires on an 8 inch rim that came with my Club Car versus the bigger 205-65-10 tires on 10 inch rims.

Stock tires: 18 diameter has a circumference of 56.55
205-65-10: 20.5 inch diameter has a circumference of 64.4

I go about 8 inches further with the larger tires during one revolution.
You are correct sir. I was too hasty and applied the wrong formula.
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