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

[Ron]

That makes good sense.
RonH

----- Original Message ----- 
From: "Mark Durham" <62vair at gmail.com>
To: "J R Read" <hmlinc at sbcglobal.net>; <ScottyGrover at aol.com>; 
<virtualvairs at corvair.org>
Sent: Wednesday, May 16, 2012 4:04 PM
Subject: Re: <VV> CHT Re: valve seats and "Ping"


> Scotty, yes, I have seen some where that gap is bigger than it should
> be. I simply adjusted the fan height by tapping the press fit shaft in
> the upper cover until the fan just cleared. Mark Durham
>
> Sent from my Windows Phone
> From: J R Read
> Sent: 5/16/2012 15:17
> To: ScottyGrover at aol.com; virtualvairs at corvair.org
> Subject: Re: <VV> CHT Re: valve seats and "Ping"
> 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
>>
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