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Idea - Reference chart for fan winding resistance measurements on website ?  Rate Topic 
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 Posted: Wed Jan 15th, 2020 05:27 pm
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Joel Schmid
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I had a thought (oh god ...) the other day.
Wouldn't it be handy to have some kind of Fan Windings Resistance Measurements chart somewhere on the website ?

I would LOVE to have such resource materials.
Folks with meters and fan windings measurements could post their findings in the forums, then they could be reviewed by all our experts here if desired, then inserted into the table.
Then for future restorations - if you want to know approx what your fans winding OHMs should be, you can look in the table on that page of the site.
Modern multimeters are cheaply had.
Most fan repair/restorers likely own one or knows someone who does and they use it to verify a motors viability.
Maybe also include typical amps draw for that model fan.
Info I think the chart should include would be :
  • Fan make and model
  • Specific winding or speed switch setting (main, start, low, med, high, etc ...)
  • Oms reading + or - couple ohms
  • amps reading at different speeds + or - .1 or .2 amps
  • notes (place to put extra details like what type of meter was used, or if a motor was super old or a brand new re-wind)
What do you guys think ?

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 Posted: Wed Jan 15th, 2020 08:49 pm
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David Allen
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This is a great idea. We have a similar thing going on the GE Monitor Top refrigerator forum. It has proven very helpful.

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 Posted: Wed Jan 15th, 2020 09:07 pm
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George Durbin
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I will not speak for the rewinders in our club but we have guys with extensive knowledge on the subject already and may be willing to share this information or not... Their knowledge was hard earned though and may not feel it is the right thing for them to do... So check around and contact these guys and see if they are willing to help you with your project... I am guessing 9 out of 10  will never rewind their switches or motors and send them off to be repaired... 

Good Luck!

geo...

Last edited on Wed Jan 15th, 2020 09:07 pm by George Durbin

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 Posted: Wed Jan 15th, 2020 10:27 pm
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David Allen
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George Durbin wrote: I will not speak for the rewinders in our club but we have guys with extensive knowledge on the subject already and may be willing to share this nformation or not... Their knowledge was hard earned though and may not feel it is the right thing for them to do... So check around and contact these guys and see if they are willing to help you with your project... I am guessing 9 out of 10  will never rewind their switches or motors and send them off to be repaired... 



Good Luck!



geo...



George, I respect that those who have worked to develop rewind maps may not want to share the winding maps, turns counts, and other rewinding information. However; the current draw and resistance is more useful to determine how healthy the original motor is, and see if it needs to be rewound or not.

Sincerely,
David

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 Posted: Wed Jan 15th, 2020 10:53 pm
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George Durbin
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David Allen wrote: George Durbin wrote: I will not speak for the rewinders in our club but we have guys with extensive knowledge on the subject already and may be willing to share this nformation or not... Their knowledge was hard earned though and may not feel it is the right thing for them to do... So check around and contact these guys and see if they are willing to help you with your project... I am guessing 9 out of 10  will never rewind their switches or motors and send them off to be repaired... 



Good Luck!



geo...



George, I respect that those who have worked to develop rewind maps may not want to share the winding maps, turns counts, and other rewinding information. However; the current draw and resistance is more useful to determine how healthy the original motor is, and see if it needs to be rewound or not.

Sincerely,
David

I agree... It will be up to them the guys who rewind... Much of that info is here in the forum already... Needs to be organized and cataloged... Do I hear any volunteers as it would be great info and potentially more business for the winders! JMHO...

geo...

Last edited on Wed Jan 15th, 2020 10:54 pm by George Durbin

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 Posted: Thu Jan 16th, 2020 05:56 pm
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Joel Schmid
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Well I will volunteer !

I am not interested in motor re-winding info. (turn counts, wire gauge, yada ....)
I'm interested in a table full of fan makes and models with resistance and amps draw for the fans to allow folks who just bought one or are helping a friend with an old fan use a meter to determine if a motor is any good or troubleshoot a problem
Right now What I do is measure the head wires and speed coil immediately after disconnecting everything for a restore, write it down, draw a little picture of the original wiring circuit, and tape it to my wall in front of the work bench.
But what would be great is to come to this website, look up my fan, and find its average ohms reading for the head wires and speed coil so I can troubleshoot a problem or just be confident the rusty hulk I got for 20 bucks has a chance at living again as a nice wind maker.

I will let other chime in before I go further. If I get more NAYS than YAYS, I'll shut 'er down.
Otherwise Ill start soliciting measurements from members and scour the forums for past readings to put in my rough draft spreadsheet.
:hammer:

Last edited on Thu Jan 16th, 2020 05:57 pm by Joel Schmid

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 Posted: Thu Jan 16th, 2020 06:47 pm
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George Durbin
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Joel Schmid wrote: Well I will volunteer !

I am not interested in motor re-winding info. (turn counts, wire gauge, yada ....)
I'm interested in a table full of fan makes and models with resistance and amps draw for the fans to allow folks who just bought one or are helping a friend with an old fan use a meter to determine if a motor is any good or troubleshoot a problem
Right now What I do is measure the head wires and speed coil immediately after disconnecting everything for a restore, write it down, draw a little picture of the original wiring circuit, and tape it to my wall in front of the work bench.
But what would be great is to come to this website, look up my fan, and find its average ohms reading for the head wires and speed coil so I can troubleshoot a problem or just be confident the rusty hulk I got for 20 bucks has a chance at living again as a nice wind maker.

I will let other chime in before I go further. If I get more NAYS than YAYS, I'll shut 'er down.
Otherwise Ill start soliciting measurements from members and scour the forums for past readings to put in my rough draft spreadsheet.
:hammer:

I for one think your idea is very good! I will help any way I can... I will be selling tickets this year for the raffle fan so my plate will be pretty full but as VP I will try to get others to find this stuff to help you...

Geo...

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