At 4:39 PM -0700 7/30/99, Bob Norway wrote:
>"Arthur H. Smith" wrote:
>
>> Message text written by "Tom Ambrose"
>> >Can anyone point me to a formula that converts RPM to MPH using tire size,
>> tranny gear ratio, and diff ratio? What'd I forget?<
>>
>> engine rpm divide by final ratio times the circumferance of the rear tires
>> (in inches) then divide by 12 then divied by 5280 (or divide by 63,360
>> inches per mile).
>>
>> The arthur >;-} :4 O:-)-}8<
>> www.anedieco.com/tr.html
>> kit car aka 69 GT6
>> 82 XJ6 Jaguar (Jennifer)
>> boxy thing on wheels aka ford aerostar (boxy lady??? 8-} )
>
>OK, what's the formula for finding the circumference if all you know is the
>diameter?
Circumference = Pi * Diameter. Pi = 3.14159...
---
Kirk Crawford mailto:kirk.crawford@beachnet.com
http://www.beachnet.com/~crawford/ AIM:KirkBCraw
|