<VV>Mo Fan

[Ron]

Right, Bob, and there's a very simple way to illustrate it.  Plug your shop 
vac hose into the outlet and turn it on.  Then, put your hand over the hose 
outlet and you can hear the motor speed up as the blower stalls. It's the 
same on a Corvair.
RonH

----- Original Message ----- 
From: <BobHelt at aol.com>
To: <pp2 at 6007.us>; <virtualvairs at corvair.org>
Sent: Thursday, July 14, 2005 11:41 AM
Subject: Re: <VV>Mo Fan


> In a message dated 7/14/05 11:36:48 AM US Mountain Standard Time, 
> pp2 at 6007.us
> writes:
>
>> ). Block the outlet and the air density in the plenum goes up,
>> increasing the drag on the impeller. This increases the power required to
>> turn the fan and the temperature of the air in the plenum goes up 
>> slightly.
>>
>
> Well, Padgett, I guess you better take up your losing position with 
> Chevrolet
> who in the SAE report proved that blocked damper doors reduced the power 
> to
> turn the fan down to a very minimum amount compared to open dampers.
> Regards,
> Bob Helt
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