<VV> Kool Breezzze

[Louis Armer]

Orrrr................Make an early fan out of 
magnesium............DUH !!! <GGG>


FrontMan
////////////////////////////////////////
At 05:25 PM 7/31/2007, you wrote:
>
>Remember the history! The Mag fan was Magnesium by chance. It was  originally
>a plastic fan - (Tom Keosababian had one of those plastic babies, by  the
>way!). Midway through R&D, the plastic was being attacked by acid 
>fumes  during
>test, and the decision was made at the last minute to go to  Magnesium.
>Virtually the same molds could be used.
>
>If the earlier fan can produce enough pressure/flow to cool the hotter late
>model motor, would it make sense to start with one of these to be  driven via
>an electric drive system. Inertia doesn't matter, it will  be driven at old
>speed. - Seth
>
>
>In a message dated 7/31/2007 2:12:16 P.M. Pacific Daylight Time,
>tonyu at roava.net writes:
>
> >The  mag fan was introduced because of too many thrown belt  complaints.
>
>
>Uh...  I mentioned that.
>
>
> >Later,  JR
> >>
> >>
> >>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".
>
>
>And  I still say it was also cheaper and simpler to make.   THIS was
>as much a factor as the light weight that helped keep belts on the  pulleys.
>
>
>
>
>
>
>
>************************************** Get a sneak peek of the all-new AOL at
>http://discover.aol.com/memed/aolcom30tour
>  _______________________________________________
>This message was sent by the VirtualVairs mailing list, all 
>copyrights are the property
>of the writer, please attribute properly. For help, mailto:vv-help at corvair.org
>This list sponsored by the Corvair Society of America, http://www.corvair.org/
>Post messages to: VirtualVairs at corvair.org
>Change your options: http://www.vv.corvair.org/mailman/options/virtualvairs
>  _______________________________________________

CORSA Tri-membership Chairman
CORSA Member
Corvanatics Member
Corvair Atlanta Director
SECC Member
1965 Corsa Coupe
1964 Greenbrier
1965 Corsa Autocross car 1/2 owner
http://carmerjr.home.mindspring.com/