DIYEFI.org Forum

For those of you who are trying to decide on a engine/gearbox/diff/tyre combination.

Thought I'd share this spread sheet I made. It calculates and graphs "Speed Vs RPM" when you enter in;
redline,
tyre diameter (in inches or you can overwrite the cell B5 with the diameter in cm),
gear ratios,
diff. ratio.

Hope someone gets a bit of use out of it.

I should tidy up and publish my drag racing simulator, it does the same thing, but with other parameters also gives you performance numbers :-)

Fred.

I'd be interested in having a look at that some time.

I have had a bit of fun over the years using the engine simulator in the "NIRA Drags" game. Bigger is not always better with the many settings.

It's not a high priority, but I will one-day put it up.