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Interesting GE  Rate Topic 
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 Posted: Mon Jul 9th, 2018 10:43 am
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David Hoatson
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Designed to be left outside to cool transformers

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 Posted: Mon Jul 9th, 2018 11:59 am
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David Kilnapp
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Very interesting and rare I would think. I would love to see more pictures of this fan, alone and in better light. Where did you see this?

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 Posted: Mon Jul 9th, 2018 12:12 pm
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David Hoatson
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I'll get more pictures. It is in a GE factory collection. 

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 Posted: Mon Jul 9th, 2018 03:30 pm
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David Hoatson
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I got a truck load of old GE stuff, including the red fan. I got lucky - four new ceiling fan switches. A lot of some really oddball stuff. Most was from an old electrical supply house. The oldest item was an 1880's wall outlet. 


















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 Posted: Mon Jul 9th, 2018 03:45 pm
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David Kilnapp
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Wow, that fan is really something! Thanks for the pictures! I have never seen blades like that on a GE fan. When do you suppose it was made?

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 Posted: Mon Jul 9th, 2018 05:05 pm
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Russ Huber
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Ebay.

Attached Image (viewed 283 times):

s-l500.jpg

Last edited on Mon Jul 9th, 2018 05:06 pm by Russ Huber

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 Posted: Mon Jul 9th, 2018 05:07 pm
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Russ Huber
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There are a few past posts with that 30s GE ventilator.  Steve Rockwell may have images.

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 Posted: Mon Jul 9th, 2018 07:25 pm
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David Hoatson
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This is the fan that Steve posted about a while ago. He said GE used relatively small blade so the motor could run continuously without stressing the motor. He said that there were several variations of cages. 

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 Posted: Tue Jul 10th, 2018 05:55 pm
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David Hoatson
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I cleaned the connections and reattached the red power cord. Fired right up. Pulls 1 amp. Tag says 1.2 amps. There are fuses under the rear cover on the hot and neutral lines, with a spare in the middle. It looks to be designed for outdoor use.
The red cord was added at the same time it was painted red. Part of a heavier gage original wire remained inside. 











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 Posted: Tue Jul 10th, 2018 08:48 pm
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Jim Kovar
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David Hoatson wrote: ...fuses...   ...on the hot and neutral lines... 




Neutral?  Why?  A no-no in my book!




And the third fuse?  Ground line?   :wondering:

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 Posted: Tue Jul 10th, 2018 11:06 pm
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David Hoatson
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Jim Kovar wrote: David Hoatson wrote: ...fuses...   ...on the hot and neutral lines... 




Neutral?  Why?  A no-no in my book!




And the third fuse?  Ground line?   :wondering:

In the early years, the National Electric Code required fuses on both hot and neutral. You can see this in this branch circuit switch/fuse block that used screw-in fuses. Note the gold=hot and silver=neutral coloring.

I'm not sure when it was no longer required to fuse the neutral. Maybe in the 1920's?

The center fuse is a spare and is not connected to anything. 

There is a vent hole in the cover to prevent condensation inside the junction box from being outside in the sun.

The blade is from the early 1930's. There is an interesting conical brass guard attached to the rear of the blade that shields the shaft.






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 Posted: Thu Jul 12th, 2018 10:02 pm
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David Allen
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The motor on that red fan appears to be a design for use in hazardous (flammable gas in air) locations. The fuses are in place to open the motor circuit before the motor can draw enough current to overheat and have an exterior surface temperature hot enough to ignite the gas.

The brass blades are also likely chosen along those reasons.

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 Posted: Fri Jul 13th, 2018 12:02 am
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David Hoatson
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The fuse box has a vent hole in the cover. This ballances the pressures so the fan can be left out in the sun without water vapor condensing inside. This would allow flammable vapors inside, though. The fan reminds me of MIL-SPEC high-reliability construction. For all weather and temperature extremes. 



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 Posted: Fri Jul 13th, 2018 08:08 pm
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Richard Daugird
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I wonder what the base came from?

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