 Tesla coil varnish question
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teslacoolguy
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Sun Jul 13 2008, 02:13PM
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Registered Member #1107
Joined: Thu Nov 08 2007, 10:09PM
Location:
Posts: 792
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I am at the 7th coat of varnish on the secondary for "Big Red" and there are some bubbles forming in the varnish that dont look to good. I was thinking of using some 600 grit sand paper and lightly sand them out but im not sure if that would cut to deep and take the enamel on the magnet wire. What should i do?
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Kizmo
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Registered Member #599
Joined: Thu Mar 22 2007, 07:40PM
Location: Northern Finland, Rovaniemi
Posts: 624
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I have done that and it works. Just use fine grit and be carefull. I found out that reason for bubbles was that I used way too much varnish / layer. My advise: Apply only very thin layer. Right amount is when you dont need to rotate your secondary while it is drying.
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teslacoolguy
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Registered Member #1107
Joined: Thu Nov 08 2007, 10:09PM
Location:
Posts: 792
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Yes that is what i tryed. I used 320 grit because it was the smallest i had and it worked out fine.
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