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08-01-2010, 05:21 PM | #1 |
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Sparton Horn Field windings
anybody know where I can get Field wiring for spartan Horn? Tried Snyders, Bratons, Tams ,no luck .ooppps 6 volt ,I am in need of the insulation barrier that goes under the copper wire .
Last edited by kp; 08-01-2010 at 05:45 PM. |
08-01-2010, 05:35 PM | #2 |
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Re: Sparton Horn Field windings
You didn't say if for 6 or 12 Volt system ?
Radio shack has the 24 guage wire used for 12 Volt system. The original field coil wire for 6 Volt was 20 guage; not sure where you can find this, maybe an electrical supply co. ? Maybe someone else has this information. Ron |
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08-01-2010, 06:58 PM | #3 |
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Re: Sparton Horn Field windings
Forget to tell you, if you need to know how to wire the field coils, number of turns, etc , for either 6 or 12 Volt, e-mail me and will be glad to give you the information.
[email protected] Ron |
08-01-2010, 07:37 PM | #4 |
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Re: Sparton Horn Field windings
I've had luck getting magnet wire of various gauges at electric motor repair shops. Also I've seen it at Ham radio hamfests and ham oriented electronic stores.
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08-01-2010, 08:19 PM | #5 |
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Re: Sparton Horn Field windings
Radio Shack unfortunately has pretty much turned into a toy and telephone store, and I wonder if they won't soon go the way of Allied, Laffayette, Olson, and the several other good old time supply houses.
Try a motor rebuilding shop, or an electronics surplus store if you have one near you. Do a Google search for "COPPER WIRE", or even check on Ebay. |
08-02-2010, 01:44 AM | #6 | |
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Re: Sparton Horn Field windings
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Quote:
The model a mechanics handbook vol 1(Les Andrews)p.194, says to use #20 coated copper wire, wind each field coil 48 turns each, in opposite directions, one end of each field wire soldered to the connecting clip the other end to the brush holder.
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08-02-2010, 08:40 AM | #7 |
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Re: Sparton Horn Field windings
The Sparton I am getting ready to rewind the field coils only had 40 wraps. Possibly it was rewound imprpoerly in the past. Had to go to a larger place that rewinds motors to get the wire. Rod
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08-02-2010, 09:28 AM | #8 |
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Re: Sparton Horn Field windings
Thinking bout using thick gasket material for making insulation barrier that goes under the copper wire,I was able to unwind the old wire,and was planning on reusing it,use to make small elect. motors and wound them by hand,ha , in High School 50 years ago. does the wire have to be Coated ?
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08-02-2010, 09:52 AM | #9 |
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Re: Sparton Horn Field windings
I too am curious what the pro's use. I am thinking friction tape would be ok. I don't know if it has to be coated wire, but that is what I am using. Rod
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08-02-2010, 10:50 AM | #10 | |
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Re: Sparton Horn Field windings
Quote:
Here's a link to a pdf version of a post I made to the old FordBarn about converting a horn to 12v. Most of it would also apply to rewinding a horn to 6 volt--just use the correct wire. I got my wire from McMaster-Carr. Radio Shack no longer carries a suitable wire for this project. http://originalmodelaparts.com/Misc/WayHornRewind.pdf Joe
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08-02-2010, 01:02 PM | #11 | |
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Re: Sparton Horn Field windings
Quote:
Any uncoated wire wrapped into the coil would be a dead short to the wire next to it. |
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08-02-2010, 01:19 PM | #12 | |
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Re: Sparton Horn Field windings
Quote:
Here's a thought--my horn, and the two or three others I've seen since I've been paying attention to this, had the fields wound with wire that has very thick insulation. Modern wire such as "bell wire" has plastic insulation that is much thinner and also much better than the original. If I rewind any more horns, I'll use regular insulated wire. Even when rewinding a horn for 12v, which requires twice the number of turns, there is PLENTY of room for modern wire. Here's another thought--I don't know that the exact gauge is too important, so long as it's heavy enough. It should be at least 20 gauge for 6v, and at least 24 gauge for 12v, but as long as the required number of turns will fit on the frame, heavier wire should work fine. I think it's the turns that count, not the wire gauge. Joe
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08-02-2010, 01:49 PM | #13 |
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Re: Sparton Horn Field windings
Many thank for all the comments. The old wire has partial wrapping left on it that is black,my hands show it ,so guess I'll have to locate some insulated wire .I think the thick gasket material will work for insulation under and around it . May add some tape to hold it in place at the start of winding.
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02-16-2024, 01:55 AM | #14 |
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Re: Sparton Horn Field windings
3D print the spool to wind the wire on,
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02-16-2024, 05:39 PM | #15 |
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Re: Sparton Horn Field windings
This is a really old thread. The two winding supports are usually fixed to the horn motor support frame so as not to be removed easily. It's easier to just unwind the fields and clean that stuff up then try to either save or replace the insulation that protects the windings. Look for magnet wire in the proper wire gauge since it is already well coated with varnish.
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02-16-2024, 09:50 PM | #16 | |
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Re: Sparton Horn Field windings
Quote:
It has way too many attributes to list here. Available most everywhere but you have to specify. |
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