<VV> How about the cooling fans from these engines?

jvhroberts at aol.com jvhroberts at aol.com
Tue Jul 30 16:46:45 EDT 2013

 There is a square thing going on, meaning it takes 4x the pressure to double the air flow. But it will double the air flow, so...


John Roberts


-----Original Message-----
From: BobHelt <BobHelt at aol.com>
To: jaysplace <jaysplace at laserpubs.com>; virtualvairs <virtualvairs at corvair.org>
Sent: Tue, Jul 30, 2013 10:52 am
Subject: Re: <VV> How about the cooling fans from these engines?

I meant that increasing the air pressure just isn't effective  in trying to 
force more air past the current openings in the engine since the  blockage 
to the flow results in a diminishing return for a pressure  increase.
Bob Helt
In a message dated 7/30/2013 12:17:00 A.M. US Mountain Standard Time,  
jaysplace at laserpubs.com writes:

On  7/29/2013 8:44 PM, BobHelt at aol.com wrote:
> Oh come on now!!  That  isn't a fan problem. That's a  problem with the
> heads and cooling  surfaces. A fan capable of developing greater  cfm 
> greater  pressure just isn't going to force that much more air thru  the  
> and/or rest of the engine.
> Regards,
> Bob  Helt

you mean that a greater pressure differential  won't flow more air?
Or that more airflow wouldn't increase heat  transfer?

Jay  Maechtlen

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