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Old 03-04-2012, 02:28 AM   #9 (permalink)
Ken Fry
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Quote:
Originally Posted by ngrimm View Post
Thank you for pointing me to the "tools", the aero, rolling resistance calculator helped me figure it out.
.23/.22 = 1.045

.23 is 4.5% bigger than .22.

Suppose the base engine is 30% efficient.

.31/30 = 1.033

.31 is 3.3 % bigger than .30.

You don't need the any of the other data.

.02 is not one percent bigger than .01. It is twice as big.
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