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 Copper Wire
 cheap wire sources
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Magneticitist
Senior Member


USA
681 Posts

Posted - January 16 2012 :  18:12:44  Show Profile  Visit Magneticitist's Homepage Send Magneticitist a Private Message  Reply with Quote
obviously transformers from wall adapters are a great source, my most abundant source... i can think of no better source.. if you look in the right places you can get them for free, or maybe a buck each.. something like that. then you have two different gauges of wire to work with.

some use the wire in CRT's which is also useful but not as easy to acquire.

another great source is old fan motors.. household fans. they practically all look the same on the inside.. they work using the AC field they are usually a single inductor or a bifilar one. not too long ago i was working on wiring some new townhouses being thrown up and i was surprised to see how many bathroom fan fixtures were being thrown out.. HVAC guys must have messed up bad lol..

anyway another cool source is one im just finding.. hair clippers lol.

heres a vid of the inside of some clippers.. i thought it was cool they work using AC and an inductor.. but the coil is a good one and has a lot of wire on it, about the same as one of those AC fans..

between scrounging up old ac fans, adapter transformers, cheapo clippers, and CRTs, you could ALMOST make a living off the copper >=)
(scrap yard aint too far from me either but i always use the damn wire lol)

[on the gravy train with biscuit wheels]

Edited by - Magneticitist on January 16 2012 18:13:43

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olddawgsrule
Advanced Member



USA
1418 Posts

Posted - January 17 2012 :  11:14:08  Show Profile  Visit olddawgsrule's Homepage Send olddawgsrule a Private Message  Reply with Quote
I also pull from the old CRT's.
I watch Craig's list in my area.
Most folks are giving them away (getting harder and harder to discard around here).

I've pulled a couple of fan & electric motors apart and found (mine anyway) the wires were formed or glued into position.
Have you come across this?
If so, How did you deal with this?
Solvents?

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Magneticitist
Senior Member



USA
681 Posts

Posted - January 17 2012 :  11:46:52  Show Profile  Visit Magneticitist's Homepage Send Magneticitist a Private Message  Reply with Quote
actually no ive never ran into any fan coils that were glued on. i think just about all of them looked the same to me, aside from some being bifilar and some single wound. all of the ones ive found just had the windings wrapped in something like paper i could just peel off. also the cores seemed to be easy to just hammer out, leaving just a regular solid core in the middle minus the rest of the surrounding core. sometimes i see glue holding the coil "terminals" into place, where some of it may tend to stick to the windings as well, but carefully pulling them out usually works for me. the windings are usually thick enough to endure the stress.. of course, if its totally encased in glue or something i dont know what i would do.. solvents may be a good idea assuming they dont dissolve the wire enamel. actually now that i think about it the most glue i see is on the CRT windings, usually just hot glue. in that case i just rip the glue globs off.

[on the gravy train with biscuit wheels]

Edited by - Magneticitist on January 17 2012 11:47:57
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Lefthand
New Member



USA
13 Posts

Posted - January 18 2012 :  23:37:52  Show Profile Send Lefthand a Private Message  Reply with Quote
My wire sources are old tv sets and they have circuit boards also and it saves some crap from the land fill.the bigger the tv,the better the wire gauge goes.
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49er
Administrator



USA
4390 Posts

Posted - January 19 2012 :  08:43:28  Show Profile Send 49er a Private Message  Reply with Quote
Hi Lefthand and welcome to the IAEC

Glad to have you here and use some of that wire. What will be your first project??

Doug
The sky is not the limit...There are footprints on the MOON.
Your only as DUMB as where your standing.
No matter where you go there you are.
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shakamuni01
Average Member



USA
213 Posts

Posted - April 22 2012 :  04:49:46  Show Profile Send shakamuni01 a Private Message  Reply with Quote
Well I salvaged many meters of wire but the challenge is you don't know where the nics are and am finding on one coil for a bendini I made, I am guessing the trigger wire and the drive wire shorted creating a direct circut to the battery because the coil started to heat up. I guess it is less of an issue when it is not bifillar becuase you will just loose some ohm/charging capacity but it probably will not short out a circut.

I guess and idea I have is if you dip the whole spool in a metal container with some salt or something you can do a continuity test and see is the spool is "corrupt"
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49er
Administrator



USA
4390 Posts

Posted - April 22 2012 :  09:03:27  Show Profile Send 49er a Private Message  Reply with Quote
HI shak

How many strands of wire in the coil?? What size wire, because there are things that still can be done with it..

Doug
The sky is not the limit...There are footprints on the MOON.
Your only as DUMB as where your standing.
No matter where you go there you are.
You must be logged in to see this link.
SKYPE bxx49er
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msmjr
Average Member



USA
444 Posts

Posted - April 22 2012 :  09:09:39  Show Profile Send msmjr a Private Message  Reply with Quote
Hey Guys
Ive had the same trouble with AC motors as Olddawgsrule. They dip the whole stator in resin and buy the time you get the thing apart half the enamel comes off the wire. Ive been trying to figure a reasonable way to recoat it, or do I just sell as scrap?

Growing old is mandatory, Growing up......optional.
He is wise who gains wisdom from another's mishaps.
—Plutius Syrus
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49er
Administrator



USA
4390 Posts

Posted - April 22 2012 :  09:34:20  Show Profile Send 49er a Private Message  Reply with Quote
Hi msm

If you recoat the wire will you have the same heat as the original coating??

Doug
The sky is not the limit...There are footprints on the MOON.
Your only as DUMB as where your standing.
No matter where you go there you are.
You must be logged in to see this link.
SKYPE bxx49er
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shakamuni01
Average Member



USA
213 Posts

Posted - April 22 2012 :  09:43:42  Show Profile Send shakamuni01 a Private Message  Reply with Quote
Hi 49er.

the coil was a bifillar coil with about 700 winds bifilar that was meant for a bendini. I was shooting for a mueler concept of a coil but it turned into a big ball. I guess I can use it as a generator coil though I don't know how efficient it would be. Any ideas?
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49er
Administrator



USA
4390 Posts

Posted - April 22 2012 :  09:49:01  Show Profile Send 49er a Private Message  Reply with Quote
Hi shak

Yes a gen coil and just make it one strand by tying both ends together at each end and that will work for a gen coil. What ever you get will be good. NO waist

Doug
The sky is not the limit...There are footprints on the MOON.
Your only as DUMB as where your standing.
No matter where you go there you are.
You must be logged in to see this link.
SKYPE bxx49er
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shakamuni01
Average Member



USA
213 Posts

Posted - April 23 2012 :  00:28:17  Show Profile Send shakamuni01 a Private Message  Reply with Quote
Hi Guys,

Rain here today so it is a good ordering day, but first a quick question.

Has anybody worked with or made coils with 35swg and 30swg to make coils with. My concern was that it was too thin and may break easily, but if it is about the number of winds and not how thick it is, it is a lot cheaper than the bigger sizes.

Here the links

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49er
Administrator



USA
4390 Posts

Posted - April 23 2012 :  10:57:16  Show Profile Send 49er a Private Message  Reply with Quote
Hi shak

That small of wire is not good for a motor that you want to charge a battery with.. BUT it does work for many things and the wire is strong so don't worry about breaking it, but if you do less tension will be required.

Doug
The sky is not the limit...There are footprints on the MOON.
Your only as DUMB as where your standing.
No matter where you go there you are.
You must be logged in to see this link.
SKYPE bxx49er
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shakamuni01
Average Member



USA
213 Posts

Posted - April 23 2012 :  21:20:52  Show Profile Send shakamuni01 a Private Message  Reply with Quote
would it be appropirate for a bendini coil. I got heaps of chunkier wire but it has nicks in it so I can use it for a bifilar coil.
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49er
Administrator



USA
4390 Posts

Posted - April 23 2012 :  21:27:02  Show Profile Send 49er a Private Message  Reply with Quote
Hi shak

No I would only use it for a single gen coil. If your coil is large in dia you could have 2 raps lay down one rap and put electric tape and then lay down the second rap

Doug
The sky is not the limit...There are footprints on the MOON.
Your only as DUMB as where your standing.
No matter where you go there you are.
You must be logged in to see this link.
SKYPE bxx49er
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The_Architect
Average Member



USA
327 Posts

Posted - January 21 2013 :  17:58:03  Show Profile  Visit The_Architect's Homepage Send The_Architect a Private Message  Reply with Quote
I think I figured out a trick to finding cheap wire. (with out having to use solvents, though if you have something that is not disolving it probably is epoxy based, and you need something like what we have here called "tuff job remover" made specifically for breaking down epoxy. though you have to soak something like a paper towel in it, then wrap the thing up in it and all of it in a polyethylene sheet or something to keep it from evaporating before it does the job of softening or dissolving the epoxy) anywho it seems that the wires that are going to be soaked and glued together are complex shapes that need help holding their form, so anything like CRT coils will be bonded together. but simple coils around a tube with some sort of stops should be fine. I am finding that those coil based relays are pretty good sources if you can find the bigger ones. other than that I seem to have found that isolation transformers are good sources.

Violence is the last refuge of the incompetent
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TinMan
Advanced Member



4082 Posts

Posted - March 04 2013 :  11:24:31  Show Profile Send TinMan a Private Message  Reply with Quote
I get most of my wire from a motor rewind mob here.
$10.oo a KG-dosnt come much cheaper than that.

Im also the proud owner of around 300 transformers that my boss gave me free of charge-lots of wire in them,but of a small gauge.
Im thinking i could maybe make up a winder that would twist 3 strand together,and make my own litz wire?.

swim at 90 degrees to the current and gain speed in two directions

skype-thetinman.69
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seychelles
New Member



Australia
4 Posts

Posted - May 28 2013 :  08:27:35  Show Profile Send seychelles a Private Message  Reply with Quote
HI GUYS THE BEST AND CHEAPEST PLACE TO GET CHEAP ENAMEL COPPER WIRE IS AT THE BACK OLD CRT TV DEGAUSSING COILS BUT VERY HEAVY PROCEEDURE
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