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Forums
4hv.org :: Forums :: Tesla Coils
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Pole Transformer

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Neil
Sun Nov 01 2009, 10:50AM
Neil Registered Member #1458 Joined: Wed Apr 30 2008, 09:47AM
Location:
Posts: 51
 		I spent the weekend winding my secondary. I'm pleased with how it came out. It's made from 18 AWG wire and is about 1200 turns over 1350mm wound onto a 300mm plastic pipe.


1257072529 1458 FT77121 Secondary



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rp181
Sun Nov 01 2009, 04:49PM
rp181 Registered Member #1062 Joined: Tue Oct 16 2007, 02:01AM
Location:
Posts: 1529
 		Nice. I see two empty spools on the ground, did you join two pieces of wire?
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Neil
Mon Nov 02 2009, 06:45AM
Neil Registered Member #1458 Joined: Wed Apr 30 2008, 09:47AM
Location:
Posts: 51
rp181 wrote ...

Nice. I see two empty spools on the ground, did you join two pieces of wire?


Yeah unfortunately, that was the longest wire of that size I could find to buy on ebay, and needed 2 x reels to wind to that length. The join isnt too noticable though so hopefully it should be ok.
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Mads Barnkob
Mon Nov 02 2009, 06:03PM
Mads Barnkob Registered Member #1403 Joined: Tue Mar 18 2008, 06:05PM
Location: Denmark, Odense C
Posts: 1968
Neil wrote ...

rp181 wrote ...

Nice. I see two empty spools on the ground, did you join two pieces of wire?


Yeah unfortunately, that was the longest wire of that size I could find to buy on ebay, and needed 2 x reels to wind to that length. The join isnt too noticable though so hopefully it should be ok.




Good looking coil though! Got any macro pictures of the join?
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Neil
Mon Dec 14 2009, 12:35PM
Neil Registered Member #1458 Joined: Wed Apr 30 2008, 09:47AM
Location:
Posts: 51
 		I have been progressing further with my new Tesla coil, I've got nearly all of the parts built I just need to wire it all up now, a weekend or 2 hopefully until finished. I will post a summary of it all including sparks once complete in the project section though for now here are some pictures showing the progress

This photo shows me next to the coil to show some scale to it

1260793102 1458 FT77121 Tesla Coil


This is a close up of the primary, 3/8" copper pipe wound onto plastic.

1260793102 1458 FT77121 Primary 2


This picture shows the toroid I am looking at using, it consists of 2 large metal plant baskets wired together and mesh wrapped around them and wired tightly onto it. I ran out of time on the weekend just gone to get it fitted to the top of the coil. Hopefully it will work ok.

1260793102 1458 FT77121 Toroid
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Hazmatt_(The Underdog)
Mon Dec 14 2009, 07:41PM
Hazmatt_(The Underdog) Registered Member #135 Joined: Sat Feb 11 2006, 12:06AM
Location: Anywhere is fine
Posts: 1735
 		For such a power beast, your toroid is probably vastly insufficient. You might want to get 6 more baskets so you can approximate a large toroid.
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Coronafix
Mon Dec 14 2009, 10:13PM
Coronafix Registered Member #160 Joined: Mon Feb 13 2006, 02:07AM
Location: Melbourne, Australia
Posts: 938
 		You should look into making a large chicken wire toroid like Syd Klinge did. That small one just ain't gonna cut it.
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Steve Conner
Tue Dec 15 2009, 10:23AM
Steve Conner Registered Member #30 Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
 		Yeah, it's too small! Maybe Tesladownunder can help with some sources for toroid parts in Oz.
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Zeus
Tue Dec 22 2009, 01:03AM
Zeus Registered Member #2316 Joined: Tue Aug 25 2009, 03:04AM
Location: Bendigo, Australia
Posts: 107
 		A pole pig in Aus. Will wonders ever cease.
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teravolt
Tue Dec 22 2009, 02:33AM
teravolt Registered Member #195 Joined: Fri Feb 17 2006, 08:27PM
Location: Berkeley, ca.
Posts: 1111
 		hi Neil if you want to make a good cheep toride and you have accsys McMaster Carr try this flexible tubing

Link2
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