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Good speed calculator link
INDY BIRD - 27/6/12 at 08:08 PM

Hi all

Was working out speed of my car with tyres etc and wheel combo

Found this link,

http://precisionsite.com/auto-x/tools/


Thought it may help you out,

Thanks Sean

steve m - 27/6/12 at 08:16 PM

So, mine came in at 109.46 mph,

hahaha, it will not go over 90 mph in real time, so this website is rather optomistic, and must assume infinate BHP, and a drag coefficancy of zero

coyoteboy - 27/6/12 at 08:25 PM

You'd assume so since you can't enter eitther of the above?

I have, somewhere, a lapsim package that was free that is pretty good and does do power and drag, and engine torque curves to produce best shift points. The Bosch one i think.

[Edited on 27/6/12 by coyoteboy]

INDY BIRD - 27/6/12 at 08:27 PM

sorry theoretical top speed if you dont have a brick of a car

coyoteboy - 27/6/12 at 08:29 PM

Here it is:
http://www.bosch-motorsport.de/content/language2/html/3589.htm#a_D9200D2E6B014D0792809A16EA4A4C14

PumaWestie - 27/6/12 at 08:33 PM

Workd perfectly for me and gave the the correct speeds. Good find

Chippy - 27/6/12 at 10:01 PM

Well it does agree with my calculations on my "theoretical" top speed, I worked it out as 161 mph, and the site had 160.6 so pretty close. BUT as to whether it will actually do that, well I do know it does 145 mph but never had the balls to go the whole hog, :-) Cheers Ray