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hello all, in the process building my drsstc II was just wondering about painting the secondary. i was thinking of using matt black standard spray paint, but just had a thought it might effect the coil... any ideas?
Registered Member #639
Joined: Wed Apr 11 2007, 09:09PM
Location: The Netherlands, Herkenbosch
Posts: 512
Your thought is correct, most paints contain colourants that conduct electricity. You need a clearcoat on a solvent basis that doesn't dissolve the enamel on your wire.
Polyurethane floor varnish works well. Or almost any thin epoxy clear coat.
Registered Member #1911
Joined: Mon Jan 05 2009, 06:30PM
Location: Salem, Oregon, USA
Posts: 165
There is a point at which you can simply stop coating it in polyurethane and put on a colored coat, as lon as it doesn't near the edges of the coil (the top and bottom). This may create some weakness in insulation, but not a great deal, if you do more than one coat of polyurethane after you do the coat that 'feels like glass'. I may be completely wrong here, but it shouldn't be a terrible insulation fault.
okay do you mean the paint has to stop before the coil? what about some sort of cover over it. the massive one in mythbusters had a cover, (lightning lab) thought it looked pretty cool really like that top load as well.
Registered Member #2028
Joined: Mon Mar 16 2009, 08:13PM
Location: Norway
Posts: 319
If you put your secondary inside another plastic pipe and paint that pipe instead then insulation should not be a problem. However i dont know how that will affect cooling and coupling.
Camoulflage pattern would be kinda neat, right? Or that diagonal black/yellow warning pattern.
Registered Member #58
Joined: Thu Feb 09 2006, 05:40AM
Location: Tri-Cities, Washington, US
Posts: 317
Just my opinion, but I think leaving a clear coat on always impresses everyone when they see how many turns are on each coil. They also ask me " You seriously wound this by hand??? You're crazy!!" I think it is pretty impressive but do whatever you like :)
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painting the secondary
