Hi Tom,

I think there is a small error in your area calc. A = pi* r^2, so
A = 3.14*(2.5625/2)^2 =~ 3.14*1.28*1.28 = 5.15 sq. in.

I'm hoping to get the engine running pretty soon to get some idea of how
well it is going to work.

Bob White

On Tue, 15 Feb 2005 08:54:12 -0800 (PST)
Tom wrote:


>
> So lets take your butterfly size of 2 9/16 inches.
> Bobs butterfly area = (2 9/16 / 2) x 3.14 = 4.02 square inches
> Max supported airflow based on their rule-of-thumb = 4.02 x 140CFM =
> 562CFM Max HP based on these (100HP per each 140CFM) = 402HP
> The difference between the actual HP your motor will make and 402HP is
> throttle-movement that would do nothing for you.
>
> Here's the website:
> http://www.dune-buggy.com/turbo/intake.htm
>
> Still learning stuff,
> Tom
>
>
>
>


http://www.bob-white.com
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