<VV> CHT Re: valve seats and "Ping"

[Ken Pepke]

Very interesting concept and it sure has a lot of blades.  A stock Corvair fan has an overdrive but I don't know the ratio.  At what RPM would you plan on turning this fan?  

Ken P
Wyandotte, MI
Worry looks around; Sorry looks back, Faith looks up.

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On May 17, 2012, at 10:37 AM, ScottyGrover at aol.com wrote:
> 
> ----- Original Message ----- 
> From:  <ScottyGrover at aol.com>
> To: <virtualvairs at corvair.org>
> Sent:  Wednesday, May 16, 2012 4:49 PM
> Subject: Re: <VV> CHT Re: valve seats  and "Ping"
> 
> 
>> I have designed a series of fans for the purpose of  improving the air flow
>> through a Corvair's engine. the problem with  any of the factory stock 
>> units
>> is  that there is too  much space between the fan and the upper shroud
>> (turkey  roaster)  which allows air to go back by the fan (the technical 
>> term
>> is"reversion.")  my latest fan design involves a fan with blades which  
>> rise  up
>> into the airstream and a "fan ring" which  fastens to the turkey roaster 
>> and
>> which minimises the gap  between the fan and fixed-position parts.  This
>> allows less air  to revert over the fan blades, keeps the air and the
>> pressure going  through between the fins where it belongs.
>> 
>> Scotty from  Hollyweird
>> 
> 
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