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 Posted: Wed Jul 11th, 2018 09:03 pm
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John Witt
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I found a 12" GE fan with an alternating current badge, but the fan has a DC back cover with brushes.  The information found on the badge:  No: 933714  110 volts  25 cycles   34267  p1  I am planning on bringing this fan to fanfair.  It is missing the struts, blade and guard.  much thanks, John

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 Posted: Wed Jul 11th, 2018 09:09 pm
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Kim Frank
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The 25 and 40 cycle GE fans I have are brushed motors. Bypass the choke coil and it'll run on d/c....I plan on bringing our VFD to FF, so bring it by the table and we'll run it.

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 Posted: Wed Jul 11th, 2018 10:37 pm
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John Witt
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thank you so very much for your information.  That was very helpful.  I look forward to seeing you at FF!

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 Posted: Wed Jul 11th, 2018 11:04 pm
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Chris A. Campbell
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Curious if you could post photo. Have never seen a DC GE Big Motor

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 Posted: Wed Jul 11th, 2018 11:55 pm
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Steve Stephens
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Chris A. Campbell wrote: Curious if you could post photo. Have never seen a DC GE Big MotorThey don't exist.  The BMYs with brushes are AC motors but low frequency of 25 or 40 cycles and have the big "mouth" on the rear end bell, I think on the front also.  Other than their mouths and brush caps they looks just like the regular BMY fan motors.
Below is a 1909 catalog page showing GE's DC fan motors of that year; much different from the AC fan motors.

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 Posted: Thu Jul 12th, 2018 04:03 am
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Russ Huber
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Steve Stephens wrote: Chris A. Campbell wrote: Curious if you could post photo. Have never seen a DC GE Big MotorThey don't exist.  The BMYs with brushes are AC motors but low frequency of 25 or 40 cycles and have the big "mouth" on the rear end bell, I think on the front also.  Other than their mouths and brush caps they looks just like the regular BMY fan motors.
Below is a 1909 catalog page showing GE's DC fan motors of that year; much different from the AC fan motors.


Attached Image (viewed 158 times):

Bracket12-lanczos3.jpg

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 Posted: Thu Jul 12th, 2018 04:24 am
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Steve Stephens
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Russ, please tell us what the fan is you just posted.   Be a man of words, not just pictures.

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 Posted: Thu Jul 12th, 2018 04:29 am
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Russ Huber
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.

Attached Image (viewed 151 times):

GEBracket.png

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 Posted: Thu Jul 12th, 2018 05:29 am
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Steve Butler
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Hey Steve, I could be completely wrong but I thought we decided this was a BMY DC. It has the “mouth” on the back and is DC. If I’m out in left field we’l blame it on late night adult beverages. 

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4F80E985-C9FD-4574-BF73-3ADDAF25CFDE.jpeg

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 Posted: Thu Jul 12th, 2018 05:30 am
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Steve Butler
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Tag

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EC33D7B1-C17F-4DA7-B436-78505C6C12CD.jpeg

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 Posted: Thu Jul 12th, 2018 12:54 pm
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Kim Frank
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I have that GE train bracket fan in the shop. DC Tank motor........never say never.

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 Posted: Thu Jul 12th, 2018 03:38 pm
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Steve Stephens
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Steve Butler wrote: Hey Steve, I could be completely wrong but I thought we decided this was a BMY DC. It has the “mouth” on the back and is DC. If I’m out in left field we’l blame it on late night adult beverages. Hey Steve, I don't remember seeing that fan but very well may have.  It's a cool design with the big mouth and appears to be a 1911-12 model with the profile struts.   I was going by the 1909 catalog images I have when I said "they don't exist" (DC BMY) and I bet that they did not exist in 1909.  Time moves on and GE it looks like they redesigned their DC fan motors.   Thanks for the info and you too Kim.

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