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Posted: Sat Nov 17, 2007 8:35 pm 
Getting Side Ways
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Age: 49

Posts: 6467

Joined: 18th Dec 2006

Ride: 93 ED sedan

Power: 161 rwkw

Location: Rockhampton
QLD, Australia

xcabbi wrote:
Of course its an improvement over stock but its far from optimal.


Well it ain't an F1 race car, and their ports/trumpets are polished, then again, they're crackin over 18,000rpm.

 

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Posted: Sat Nov 17, 2007 11:42 pm 
Getting Side Ways
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Age: 36

Posts: 9453

Joined: 9th Nov 2004

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Ride: Fordrunner 5.0 Turbo

Location: Wollongong
NSW, Australia

F1's aren't very efficent engines. They have a lower effective BMP (Brake mean Pressure) than a V8 supercar.

IIRC the variables in the boundary layer equation are:

Fluid viscosity
Fluid density
And
Length of the surface.

I'll dig up the whole equation and stick it up in a few days so you can have a bit of a play with it yourself and see what I'm trying to get at.
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