Thread: Attention Math gifted people:
10-16-2004, 03:31 PM #1
Attention Math gifted people:
OK, I'm a hot rodder and can't do math very well with out a book of forula. I had it written down and lost it.
I need to find RPM for a given tire size, MPH and constant.
I found a formula that answers Final drive ratio, but am not math blessed enough flip it around to get what I want. Formula is:
Final Drive Ratio=(Tire Diameter in Inches x RPM)/(336 x MPH)
So if I wanted to find RPM would I do:
RPM= ((final ratio)(336xmph))/ tire size ?
10-16-2004, 03:33 PM #2
it would be
final ratio / (336xmph) then that would be devided by tire size..
10-16-2004, 03:38 PM #3
No...assuming your first equation is right it would be
RPM = (Final Drive Ratio X 336 X MPH) / Tire Diameter
so you were correct
10-16-2004, 04:23 PM #4Originally Posted by Billy_Bathgate
10-16-2004, 05:07 PM #5
since this is about math, i wont make fun of the math gifted, when it should be...gifted math....
10-16-2004, 09:18 PM #6Originally Posted by Decadbal
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