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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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Re: Magnesium Fans
Posted by: joelsplace ()
Date: February 06, 2018 02:51PM

Finally got a couple of pictures of the '64 exploded fan.
Sorry I'm so slow Ken.
Joel

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Re: Magnesium Fans
Posted by: MattNall ()
Date: February 06, 2018 03:09PM

Thant's an interesting break! Never seen that on Mag fans.





MODERATOR
Sea Mountain, between Charleston Harbor and Coos Bay! SW Oregon Coast
Click HERE for My Website...Click HERE for My TechPages!
..............................110-PG.................................................Webered-Turbo

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Re: Magnesium Fans
Posted by: vairmech ()
Date: February 06, 2018 06:53PM

Similar break as this one.





Ken Hand
Handy Car Care
248 613 8586

Vairmech@aol.com

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Re: Magnesium Fans
Posted by: MattNall ()
Date: February 06, 2018 07:01PM

What do you think may have caused this area to crack?





MODERATOR
Sea Mountain, between Charleston Harbor and Coos Bay! SW Oregon Coast
Click HERE for My Website...Click HERE for My TechPages!
..............................110-PG.................................................Webered-Turbo

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Re: Magnesium Fans
Posted by: vairmech ()
Date: February 07, 2018 04:39AM

As was discussed earlier, hydrogen from the battery, vibration and corrosion.

If magnesium is not stored in ideal conditions it will corrode within it's self as shown in the pictures. See the split in the material? The breaking did not cause that, that is corrosion that went under the pulley mount and is splitting the material.

The black is corrosion and the grey is fresh break, you can see both in the picture.



Ken Hand
Handy Car Care
248 613 8586

Vairmech@aol.com



Edited 1 time(s). Last edit at 02/07/2018 04:41AM by vairmech.

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Re: Magnesium Fans
Posted by: BobV66Vair ()
Date: February 07, 2018 06:57AM

Kevin, is that bowl below the level of the pulley? It looks higher. How do you address the clearances for the pulley and other related parts? Special pulley or cut the bowl?

Bob Vinnacombe
Sandy, Oregon
1965 Corsa 140 stock
1966 Monza Soon to be race car
1968 Monza Parts for now

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Re: Magnesium Fans
Posted by: Tom Rahochik ()
Date: February 07, 2018 09:04AM

Top and bottom photo of NOS magnesium fan


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Re: Magnesium Fans
Posted by: Tom Rahochik ()
Date: February 07, 2018 09:07AM

And bottom photo of late NOS fan


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Re: Magnesium Fans
Posted by: 63turbo ()
Date: February 07, 2018 06:20PM

BobV66Vair Wrote:
-------------------------------------------------------
> Kevin, is that bowl below the level of the pulley?
> It looks higher. How do you address the clearances
> for the pulley and other related parts? Special
> pulley or cut the bowl?

I was just experimenting with that Bell- one of the problems with it was that
it was a little too high, and is above the level of the pulley, and was going to need to get cut anyways. The other problem with it was that it actually worked better with it flipped upside down!! It was because of experiments like
that (and others) I concluded that the intake is waay plugged up, and a big problem with it is the lack of a long arc down and in to the fan... much like the long arc on the inside of a turbocharger compressor housing were it goes from straight down to sideways. I made a smaller bell that actually worked pretty similar to the pictured one, but fit and wont require a lot of cutting... just some slight notching to clear the throttle shaft (on NA cars) and a larger notch for the belt.

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

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: Brizo ()
Date: February 08, 2018 07:32AM

The NOS fan above looks almost black compared to the NOS fan shown on page 1 by davemotorhead. Did the color vary that much during production, or is Dave's fan somehow faded from exposure even though its unused?

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: vairmech ()
Date: February 09, 2018 05:05AM

I'm not sure if that color difference was explained in this thread or the other one. It depends on how long they left it in the anodizing solution. The longer you leave it the darker it gets and can look just like it was painted.

Ken Hand
Handy Car Care
248 613 8586

Vairmech@aol.com

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Re: Magnesium Fans
Posted by: Bobdudeman ()
Date: February 09, 2018 09:56AM

Good Lord, where did that machined Billet fan come from

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Re: Magnesium Fans
Posted by: American Mel ()
Date: February 09, 2018 10:18AM

Kevin (63turbo) is developing it.
It is still in the "testing phase" though at this time.
Unfortunately.sad smiley

.
-----------------------------------------------
WA. state, 1 mile south of the Canadian border,
I am not at the end of the world, but you can see it from here.
'66 Monza Coupe - 4spd, 140 Daily driver beater
'67 Monza Vert. - PG, 140 Daily driver beater

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Re: Magnesium Fans
Posted by: ral1963 ()
Date: February 10, 2018 05:24PM

I had a vision of using an inverted bell around the opening as well as a cone on top of the pulley to smooth out airflow.

I missed the last on of these that sold and haven't seen another one available for a while...

Rick Loving
Corvair historian & chronicler of useless facts
CORSA
Performance Corvair Group
Chicagoland Corvair Enthusiasts

RAL1963@COMCAST.NET
Just south of Chicago IL

Current Rides
63 Sprint Vert 140/4sp

Past Rides
66 Turbo Coupe 180/4sp
60 700 Sedan 80hp PG
63 Monza Vert 102hp 4 spd
63 Monza Coupe 140hp 4 spd
63 700 Sedan 80hp 3 spd
64 Monza Vert 110hp 4 spd
64 Monza Coupe 95hp 3 spd
64 Monza Sedan 110hp PG
65 500 Coupe 95hp 4 spd
65 Monza Coupe 110hp PG
65 Corsa Coupe 140hp 4 spd
68 Monza Vert 140hp 3 spd

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Re: Magnesium Fans
Posted by: MattNall ()
Date: February 10, 2018 05:43PM

Always wondered if that actually helps...

Maybe Kevin can rig one up on his test rig!!





MODERATOR
Sea Mountain, between Charleston Harbor and Coos Bay! SW Oregon Coast
Click HERE for My Website...Click HERE for My TechPages!
..............................110-PG.................................................Webered-Turbo

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