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c.f.m. of cooling fan...anyone?
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onenotchup
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PostPosted: Mon May 05, 2008 7:10 am    Post subject: c.f.m. of cooling fan...anyone? Reply with quote

Does anyone know the max cfm of a type one upright cooling fan. lets say a dual port 1600 stock.
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Jimmy111
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PostPosted: Mon May 05, 2008 9:02 am    Post subject: Reply with quote

It depends on how it is installed. But a late model wide fan installed in a doghouse shroud installed in a motor outside of the car body at about 3500 RPM it is in the 1500 CFM range.
If you do a google search and spend some time, there are some studies about it.
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dog_jr911
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PostPosted: Mon May 05, 2008 12:43 pm    Post subject: Reply with quote

there was also a massive argument on whether or not CFM directly controlls cooling or not.

search samba for it.... it was a few months ago.


and btw, CFM is NOT everything. its all about the flow
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Eaallred
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PostPosted: Mon May 05, 2008 6:10 pm    Post subject: Reply with quote

dog_jr911 wrote:

and btw, CFM is NOT everything. its all about the flow


CFM is flow. Wink

What becomes critical is what the CFM is when trying to push past the restirction of the cooling fins. That's why electric fans look good on paper but bite the big one in real life.

A cooling fan also needs to produce plenty of pressure to force all that air past the cooling fins.
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Jimmy111
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PostPosted: Mon May 05, 2008 7:13 pm    Post subject: Reply with quote

I better not get into this one..... Shocked
But foir the most part Eric ir correct.
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