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 Posted: Sat Oct 13th, 2018 11:58 am
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David Kilnapp
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I recently acquired this fan from Stefan Osdene. It's a Type UI Form E Pancake, maybe 1900 or 1901 (perhaps Kim Frank could confirm for me). It has a new stator from Sidney Lamb but other than that, it needed very little work. It runs perfectly. My understanding is that this is a two speed fan though I don't notice any perceptible difference between the two speeds unlike my 1903 TYPE AK Form C Pancake which has five very distinct speeds. Would someone care to comment on why that is? This fan operates very very smoothly with no vibration at all. I really have a soft spot for these GE's.




 
Notice the bakelite covers on the insulated terminals that Darryl Hudson provided. 

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 Posted: Sat Oct 13th, 2018 12:30 pm
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Pat Weeks
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What you have there is a very nice 1900. I know that because the motor housing does not have the vent holes like the 1901 and later models. Also, it has the underfeed wick with oil return, which was new for 1900. 

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 Posted: Sat Oct 13th, 2018 12:36 pm
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James Henderson
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A lot of early fans including yours have indistinct speed differences. You can have the choke coil rewound to change this or simply enjoy a beautiful fan for what it is.

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 Posted: Sat Oct 13th, 2018 03:43 pm
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David Kilnapp
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Thank you Pat and Jim. I certainly do enjoy this fan just as it is. It's quite beautiful!

Last edited on Sat Oct 13th, 2018 03:43 pm by David Kilnapp

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 Posted: Sat Oct 13th, 2018 04:23 pm
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Steve Stephens
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Pat Weeks wrote:  Also, it has the underfeed wick with oil return, which was new for 1900. Actually the underfeed with oil cup was a return to the 1896-98 design,   GE went to a top mounted grease cup for only the 1899 year model.

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 Posted: Sat Oct 13th, 2018 09:14 pm
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Kim Frank
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A thing to understand too is that some of these fans have spin down times of a minute or more. You don’t always see an immediate change in speed. Best to check the resistance in the coil. Usually a reading of 2 ohms or a bit more is about the norm. Also, if you’re running a 104 volt motor at 120 v, you might not see a big change in speeds.

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 Posted: Sat Oct 13th, 2018 09:50 pm
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Steve Cunningham
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Your fan is as probably made to run on 104V. It’ll be stamped on the tag. At that voltage you will have two speeds. We get 120V today out of our plugs. At 120V there is little difference.

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 Posted: Sun Oct 14th, 2018 12:01 pm
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David Kilnapp
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Kim and Steve: Yes the motor tag does indeed say 104 volts. Thank you. I keep meaning to get a Variac which I need. Today will be the day I order the one that Steve Stephens suggested.

Last edited on Sun Oct 14th, 2018 12:49 pm by David Kilnapp

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 Posted: Sun Oct 14th, 2018 08:43 pm
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Richard Daugird
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As I’m sure Steve suggested, buy a used made in U. S. A. Variac, not a new Chinese model. There are several on eBay right now wired up with an outlet ready to go for under $100; or if you’re handy get a bare one and make your own enclosure. I would recommend a 5 amp, my 16 pancakes pull 3-4 amps on start up if I remember correctly. 

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 Posted: Sun Oct 14th, 2018 08:46 pm
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David Kilnapp
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Just ordered the Variac that Steve Stephens suggested, made in the good old USA!

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 Posted: Sun Oct 14th, 2018 10:48 pm
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Richard Daugird
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What did you get? I just checked, my 16 tank Vane Oscillator pull nearly 4 amps on startup. 

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 Posted: Sun Oct 14th, 2018 11:40 pm
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David Kilnapp
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This one:

Variac Transformer Variable AC Voltage Regulator Metered 500w 0.5KW 5Amp 0-130v

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 Posted: Mon Oct 15th, 2018 05:10 pm
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Pat Weeks
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Last edited on Mon Oct 15th, 2018 05:10 pm by Pat Weeks

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 Posted: Mon Oct 15th, 2018 05:12 pm
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Pat Weeks
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Steve Stephens wrote: Pat Weeks wrote:  Also, it has the underfeed wick with oil return, which was new for 1900. Actually the underfeed with oil cup was a return to the 1896-98 design,   GE went to a top mounted grease cup for only the 1899 year model.

Steve, I phrased that badly. I know that the pre 1899 cakes had the underfeed oilers. What I meant was that the underfeed oiler was reintroduced in 1900 along with a new feature which was the oil return collar. 

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 Posted: Mon Oct 15th, 2018 05:28 pm
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Steve Stephens
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David Kilnapp wrote: This one:

Variac Transformer Variable AC Voltage Regulator Metered 500w 0.5KW 5Amp 0-130v
David, please show us your variac.   No photo or link in your post.

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 Posted: Mon Oct 15th, 2018 05:40 pm
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David Kilnapp
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Three of the seventeen fans in my collection have motor tags that say they were designed to run at some voltage less than 110 volts - two pancakes (1900 and 1903 - 104 volts) and one 1910 Emerson with a trojan base (100 volts). The earlier pancake and the Emerson are two speed fans and the 1903 pancake is a five speed fan. The Emerson and the earlier pancake show no difference between the two running speeds so those will be the fans that I test using the above Variac. The theory that has been advanced (above) sounds reasonable but I must confess that I am dubious that a six to ten volt difference will produce the difference in the running speeds. I'll know more in a week when the Variac is delivered.


Last edited on Mon Oct 15th, 2018 05:53 pm by David Kilnapp

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 Posted: Mon Oct 15th, 2018 06:17 pm
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Richard Daugird
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I think I would cancel that order and buy a used U.S.A. made Variac; that is made in China and I wouldn't trust my valuable antique fans with it.

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 Posted: Mon Oct 15th, 2018 06:20 pm
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David Kilnapp
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I'd be interested to hear from others who may have some experience with this transformer. These are very uncomplicated machines whose technology is not particularly country dependent.

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 Posted: Mon Oct 15th, 2018 06:34 pm
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Steve Stephens
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I would think the one you bought should work well for your purpose.   Do some reading on a google search I just did:
quality of chinese made variacs vs USA made variacs  (link)

I have only used old and used Various and Powerstats that cost me from $0 for one to around $75.

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 Posted: Mon Oct 15th, 2018 06:43 pm
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David Kilnapp
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I just scanned through the reading and I conclude that this unit will be just fine for the minimal use that I will have for it. In the meantime, I will keep my eye out for an older (American made) used Variac that might be a little more robustly made.

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