<VV> Corvair Fan

[Ron]

You won't be able to effect much of any change in the blower "efficiency" as 
the Corvair blower is already optimized for the conditions under which it 
operates.
RonH

----- Original Message ----- 
From: "Dale Dewald" <dkdewald at pasty.net>
To: <virtualvairs at corvair.org>
Sent: Saturday, July 09, 2005 10:40 AM
Subject: <VV> Corvair Fan


> Hello folks,
>
> Based on my limited understanding of fluid flow, it is clear to me that a 
> standard automotive radiator fan operates somewhat differently than the 
> Corvair "fan."  The Corvair unit is a centrifugal blower, and has more in 
> common with the blower in, say, a forced warm air furnace (which blows 
> through ductwork--like the Corvair engine).  It is no surprise to me that 
> attempts to use electric radiator fans end in failure; fans are not 
> blowers.
>
> I think that significant improvements could be made in the efficiency of 
> the Corvair blower, particularly the late magnesium style.  In my mind the 
> ideal blower would be modeled after the early steel curved fin impeller 
> but molded from fiber reinforced plastic.  This would be the minimum 
> starting point for making an electric motor powered Corvair cooling 
> system.
>
> Has anyone considered using a hydraulic fan/blower drive as done on heavy 
> construction and agricultural equipment?  Just a thought.
>
> Dale Dewald
> Hancock, MI
>
>
> At 10:04 PM 7/8/05 -0400, JVHRoberts wrote:
>>I think we may need to dig deeper here. The Austin fan doesn't make much
>>pressure compared to the Corvair fan, so there's something else going on 
>>here
>>that we're missing. I am CERTAIN you can't just stick an Austin fan in a
>>vertical housing and get cooling as good as a Corvair fan. Not even close.
>
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