<VV>Fanz, and how they work

[Duane, Jim]

They went to water cooled first.
JED 

-----Original Message-----
From: Ron [mailto:ronh at owt.com] 
Sent: Tuesday, August 02, 2005 12:20 PM
To: Duane, Jim; kirbyasmith at gwi.net
Cc: virtualvairs at corvair.org
Subject: Re: <VV>Fanz, and how they work

If electrical was better, I'm sure Porsche would be using it.
RonH

----- Original Message -----
From: "Duane, Jim" <Jim.Duane at it.BAESystems.com>
To: <kirbyasmith at gwi.net>; "Ron" <ronh at owt.com>
Cc: <virtualvairs at corvair.org>
Sent: Tuesday, August 02, 2005 5:47 AM
Subject: RE: <VV>Fanz, and how they work


> With a mechanical fan, you're constrained to the variable engine
> speed.  Play with pulleys and clutches all you want, when the "heat is
> on", there are compromises.
> 
> Introduce an electric fan and the
> engineer/designer/Vairologist/inventor controls the RPM.  Inertia,
> mechanical loss, and blade design all look a whole lot easier to
handle
> IMHO.
> 
> Jim Duane
> '66 180 Corsa CVT
> Colonial Corvairs
> CORSA
> 
>  
> 
> -----Original Message-----
> From: virtualvairs-bounces at corvair.org
> [mailto:virtualvairs-bounces at corvair.org] On Behalf Of Kirby Smith
> Sent: Tuesday, August 02, 2005 8:33 AM
> To: Ron
> Cc: virtualvairs at corvair.org
> Subject: Re: <VV>Fanz, and how they work
> 
> If the temperature rise were unmeasurable, then the fan's mechanical
> efficiency would be 100%, or else the fan would not be moving any air.

> In that case its load would be zero, and all power used by the cooling
> system would be going into the bearings and fan belt.
> 
> Conservation of energy still applies, even in Corvairs.
> 
> kirby
> 
> 
> Ron wrote:
>> I'll bet that any temp rise across the fan is so small it can't be 
>> measured with any equipment that any of us have.
>> RonH
>> 
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