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Re: Magnesium Fans
Posted by: Brizo ()
Date: January 11, 2018 10:53PM

MattNall Wrote:
-------------------------------------------------------
> I posted a pic a while back setting in a box in
> dry garages all these years.
>
> [corvaircenter.com]
> 9235,filename=IMG_20170503_11848.jpg


Yep, the area around the center hole is the color the entire fan looked the day is was sealed in the box.

Dan Brizendine,
'64 8door Greenbrier 140 PG. "In beautiful Wanamaker Indiana...with one stop light and 5 pizza shops"

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Re: Magnesium Fans
Posted by: veverlove ()
Date: January 12, 2018 12:10AM

I know this is a bit OT, but it somewhat pertains. That pretty fan that Kevin is working on/testing looks slick, for sure. Very turbo-esque. Its kind of old tech, but I was thinking the Vair could benefit from the "Coanda effect." Any relatively bell shaped piece (think more inverted bowl) would induce this effect and I would think it would/should increase/improve even a stock mag fan. Would there be enough room/space under the fan for such a piece, say 4" - 5" deep? Could easily be stamped out cheaply. Just a thought. Any one out there with more than my cursory knowledge of physics, please chime in.

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Re: Magnesium Fans
Posted by: 63turbo ()
Date: January 12, 2018 05:56AM

veverlove Wrote:
-------------------------------------------------------
> I know this is a bit OT, but it somewhat pertains.
> That pretty fan that Kevin is working on/testing
> looks slick, for sure. Very turbo-esque. Its kind
> of old tech, but I was thinking the Vair could
> benefit from the "Coanda effect." Any relatively
> bell shaped piece (think more inverted bowl) would
> induce this effect and I would think it
> would/should increase/improve even a stock mag
> fan. Would there be enough room/space under the
> fan for such a piece, say 4" - 5" deep? Could
> easily be stamped out cheaply. Just a thought. Any
> one out there with more than my cursory knowledge
> of physics, please chime in.

Yes- bell mouth intakes do wonders for intake flow on
the fan and shroud. I've been testing various bell shapes
and other tricks that I've figured out on my fan testing
fixture, and the gains that I've seen are amazing, especially
at the speeds that I'm able to test at. Theres a relatively
inexpensive bell that is spin formed that's close enough in
size to work pretty well that can be bought for 60.00.
Look up a company called "Air handling systems" if interested.
Also, a proper bell shape that would work well on our engines
doesn't need to be much taller than the pulley, which is good
because the clearance needed for the belt and throttle shaft
and the belt guide.

------------------------------------

Kevin Nash
Friday Harbor Washington
63 Spyder, Daily driver, EFI read about my project here: [corvaircenter.com]
first test start on EFI here:[www.youtube.com]
first official EFI boost test here:[www.youtube.com]
My new fan! [corvaircenter.com]
engine less 62 Spyder
Canadian 64 Monza Parts car



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Re: Magnesium Fans
Posted by: 63turbo ()
Date: January 12, 2018 06:04AM

Here's a picture of the spun metal bell that I bought, mounted on my test fixture.

------------------------------------

Kevin Nash
Friday Harbor Washington
63 Spyder, Daily driver, EFI read about my project here: [corvaircenter.com]
first test start on EFI here:[www.youtube.com]
first official EFI boost test here:[www.youtube.com]
My new fan! [corvaircenter.com]
engine less 62 Spyder
Canadian 64 Monza Parts car



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Re: Magnesium Fans
Posted by: caroseiii ()
Date: January 12, 2018 06:16AM

More proof of the superiority of the 1960 air control valve!


Crawford Rose

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