<VV> fans

[ScottyGrover at aol.com]

An axial fan can be made to work (look at a Porsche) but it has to have  
many blades, a large pitch, and, preferably, straightening vanes--all this  
within a close-fitting tubular housing. A centrifugal blower works with 
greater  efficiency, but should fit more closely in its housing than the stock 
Corvair  fan does. This type of conversation was carried on in fastvair a few 
years ago;  its lessons obviously didn't filter down to VV.
 
Scotty from Hollyweird
 
.
In a message dated 3/16/2013 1:31:32 P.M. Pacific Daylight Time,  
ronh at owt.com writes:
 
No, what  you need is a blower which is what they originally have.  A fan  
doesn't provide near enough pressure to get enough air through the  engine.
Ronh
----- Original Message ----- 
From: "Gary Moore"  <tdrinkr at yahoo.com>
To: <virtualvairs at corvair.org>
Sent:  Saturday, March 16, 2013 11:25 AM
Subject: Re: <VV> alternate  fans


> >From many of the electric fan articles I have read  there is mention of 
> >too much back pressure with the lower shrouds  in place. Would it be 
> >helpful to install small electric fans at  the outlets to help pull the 
> >air through? These fans and perhaps  the top fan could be triggered by 
the 
> >thermostats opening the  exhaust doors. GMoore
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