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      07-13-2009, 03:36 PM   #29
Spike
Autobahn Driver
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Germany
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Drives: M6 Singapore Grey
Join Date: Jun 2007
Location: Germany

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Quote:
Originally Posted by edo View Post
Ah... I forgot your car was AT.

I was speaking about MT. My front tyres are 235/35 R19, rear - 275/30 R19.


By the way, did you consider air resistance at such speeds? It's huge! Aren't your calculations theoretical?
thats true. the air resistance is huge.
and it's true that the calculations is theoretical.
but the reached rpm is true.

i have recalculate your tires. the scope is 1975,18mm. then you have a profile of 5mm your speed at 6800rpm is exactly 294,0km/h.
You see, this calculation based on the reached rpm is not so bad.

i think a run with gps and canbus logging is the best mix
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