<VV> Electric cooling fan results

[J R Read_HML]

No again...

The mag fan was introduced because of too many thrown belt complaints.

Later, JR

----- Original Message ----- 
From: "Tony Underwood" <tonyu at roava.net>
To: <virtualvairs at corvair.org>
Sent: Tuesday, July 31, 2007 3:32 PM
Subject: Re: <VV> Electric cooling fan results


> At 10:07 AM 7/31/2007, Ron wrote:
>>The mag fan was introduced because it's BETTER than the early fans.
>>RonH
>
>
>
> No, the mag fan was introduced because it was cheaper.   I'd wager the 
> '62-63 fan is better at moving air than the mag fan although it remains 
> much heavier and more expensive to produce.
>
>
> That mag fan is a simple casting that has NO attention paid to 
> aerodynamics or efficient air flow.  The only thing it does is beat out a 
> more efficient fan in manufacturing costs and less weight, which means 
> belts will stay on better, both factors more important to GM...  efficient 
> cooling is a lesser matter when money is concerned, when the mag fan would 
> be "good enough".
>
> Well...  we see today that in certain applications it's NOT enough.
>
>
> I would really like to see some modern test specs on Corvair cooling fans. 
> I mean *Modern* test specs and not the specs that GM drifted down through 
> channels.
>
>
>
> tony..
>
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