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GE AUU Form W1  Rate Topic 
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 Posted: Sat Mar 10th, 2018 03:44 pm
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David Hoatson
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What can you tell me about a GE AUU Form W1?

The switch has a place for a speed coil, but it appears to have 3-speeds by energizing different windings in the stator. 


Is it from around 1915 or so?


What is this model called?













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 Posted: Sat Mar 10th, 2018 04:25 pm
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Steve Stephens
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I can't explain exactly how this style of motor works but the different speeds are gotten from inside the main windings.   Form W is from 1921.

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 Posted: Sat Mar 10th, 2018 05:21 pm
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David Hoatson
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Thanks

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 Posted: Sat Mar 10th, 2018 05:36 pm
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Steve Rockwell
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Very timely posting, David... I just returned home for a couple days carrying a friend's Form W fan, to examine it since it seems possess anomalies which I thought to sort out for him... haven't taken it apart yet, but will post what I learn in case it is of any use to you with yours, was planning to post it anyway... meanwhile, along with a pic of the stator, here are schematics.....












Last edited on Sat Mar 10th, 2018 05:36 pm by Steve Rockwell

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 Posted: Sat Mar 10th, 2018 07:21 pm
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Steve Stephens
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Here is my original finish GE AUU Form W1 all ready to enter in the BFOTY contest.  Felt is not original nor is the power cord.  Blades are solid brass from 1920 through 1929.














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 Posted: Sun Mar 11th, 2018 12:50 am
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David Hoatson
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The one I'm working on has a brass cage and blade, though the cage is painted black. The paint on the stump is in pretty good shape, so I'm going to see how well it cleans up. It has no bottom cover, just places for rubber feet, like a BMY.  I changed the headwire. The original was dropping insulation like a needles from a Christmas tree in June. 

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 Posted: Sun Mar 11th, 2018 03:46 am
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Russ Huber
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R&M shaded 4 pole motor of same stator wind.

Attached Image (viewed 194 times):

fans 1 4374.jpg

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 Posted: Sun Mar 11th, 2018 03:48 am
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Russ Huber
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GE motor the same as David's

Attached Image (viewed 197 times):

untitled.png

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 Posted: Sun Mar 11th, 2018 03:15 am
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Russ Huber
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If you study the stator winding's course it covers 4 poles with shades.  Notice this method of winding has eliminated one complete pole winding of copper that would typically constitute the 4 pole induction motor.  Not only this, the base copper wound transformer is eliminated and incorporated into the stator winding.
 

Last edited on Sun Mar 11th, 2018 03:16 am by Russ Huber

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 Posted: Mon Mar 12th, 2018 02:40 am
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David Hoatson
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Good info Russ. Yes, it looks to be a much more simple design. 
I changed the headwire (4-wires) and cleaned it up. I then realized that the paint is green, not black. A very dark green, even inside and under the tag where the sun don't shine. 

The paint is thick and strong, but doesn't shine up much when cleaned. Any recommendations? I cleaned with acetone, then used Maguires Cleaner Wax. Should I try paint polish? Or leave it as-is?





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 Posted: Mon Mar 12th, 2018 02:50 am
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David Hoatson
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More photos










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 Posted: Mon Mar 12th, 2018 02:53 am
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David Hoatson
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Stator resistances:
AB 9.3
AC 14.4
AD 24.4
BC 5.5
BD 33.1
CD 38.1




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 Posted: Mon Mar 12th, 2018 03:45 am
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Steve Stephens
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David Hoatson wrote: The paint is thick and strong, but doesn't shine up much when cleaned. Any recommendations? I cleaned with acetone, then used Maguires Cleaner Wax. Should I try paint polish? Or leave it as-is?
GE's paint is not as durable or tough as Emerson's, Westy tanks, R&M's and other black Japan paints.   I think acetone will damage the GE paint, at least the non-Japan paints like yours has.  

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 Posted: Mon Mar 12th, 2018 12:14 pm
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David Hoatson
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Steve Stephens wrote: David Hoatson wrote: The paint is thick and strong, but doesn't shine up much when cleaned. Any recommendations? I cleaned with acetone, then used Maguires Cleaner Wax. Should I try paint polish? Or leave it as-is?
GE's paint is not as durable or tough as Emerson's, Westy tanks, R&M's and other black Japan paints.   I think acetone will damage the GE paint, at least the non-Japan paints like yours has.  

Yes, acetone will often remove GE paint. This fan doesn't seem to be affected by acetone. 


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 Posted: Wed Mar 14th, 2018 03:09 am
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David Hoatson
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I finished it up. It looks great with the patina on the blades. 

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 Posted: Wed Mar 14th, 2018 03:18 am
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David Hoatson
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 Posted: Wed Mar 14th, 2018 03:47 am
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Dave McManaman
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Very nice. Love the evenness of the patina on the blades!

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