<VV> Fan design

[ScottyGrover at aol.com]

In a message dated 8/14/2007 10:23:30 P.M. Pacific Daylight Time,  
ronh at owt.com writes:

You  mean, sort of like the '61-'63 Corvair blower?
RonH

----- Original  Message ----- 
From: <ScottyGrover at aol.com>
To:  <zanebrock at bellsouth.net>
Cc:  <virtualvairs at corvair.org>
Sent: Tuesday, August 14, 2007 9:16  PM
Subject: Re: <VV> Fan design


>
> In a message  dated 8/9/2007 9:27:58 A.M. Pacific Daylight Time,
>  zanebrock at bellsouth.net writes:
>
> May I  suggest looking at  the fans inside current turbo units. A lot of 
> R&D
> has  gone into maximum intake with minimum back pressure. Antique 
>  centrifugal
> fans have straight vanes and look almost identical to  Corvair  fans. 
> Modern
> turbocharger fans have a curved  leading edge at the center of  the fan 
> that
> straighten  out towards the outer edge. Page 65 of Corky Bell's  book
>  Supercharged has a perfect example.
>
>
>
>  Regards,
>
>
>
> Zane  Brock
>
>  zanebrock at bellsouth.net
>
>
>
> Modern centrifugal  fans designed for HVAC work have had forward-curved or
>  backward-inclined blower wheels for the last 45 years or so; fans designed 
 
> for
> dust collectors where they are handling solids with the  air have radial 
> wheels
> so they don't get clogged up with  stuff.
>
> Scotty from  Hollyweird
>



I'm looking at a '61~63 fan right now and it has radial vanes, the top  
(inlet) edges of which are curved.



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