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

[J R Read]

Got pix?
Later, JR

----- 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
>