RE: [TCML] I think I ruined my 6" secondary.

[Scott Bogard <teslas-intern@xxxxxxxxxxx>]

Kris,
     My 6-in 22 AWG secondary has bugs, sand, bird crap, dust, water vapor, you name it, in the polyurethane coating.  It lives outside in the sun, rain, and snow.  I have not had a catastrophic failure except when I abused the coupling, and then only the bottom turn was damaged.  Just try it!

Scott Bogard

> Date: Mon, 30 Jun 2008 17:08:46 -0700
> From: kristianisawesome@xxxxxxxxx
> To: tesla@xxxxxxxxxx
> CC: 
> Subject: [TCML] I think I ruined my 6" secondary.
> 
> I hand wound a 6" acrylic form with 22 gauge a few months ago. It wasn't the greatest winding job I had ever done. There were a few turns that were a little loose, but over all, turned out pretty damn good for not building a jig. I started coating it with poly and once I got about 10 coats on it I noticed it was kind of getting a little rough from dust and whatnot, so I grabbed a piece of 400 grit sand paper and gave it a light once over and began coating it again. Thats when I noticed that I had sanded the insulation off in some spots on a few of the loose turns. There are maybe 3 or 4 of these spots on the bottom of the coil and 4 or 5 spots in random places along the entire length. I was so bummed about it that I shelved the project and haven't given it much thought since.
> 
> I have since finished two other smaller coils
>  and would like to work on this one again, but the secondary makes me nervous. I was thinking of putting about 100 coats of poly on it and keeping my fingers crossed. I was hoping to put around 4KVA through it. Has this ever happened to anyone else? Is this secondary salvageable or should I scrap it and save up for another acrylic form and a new spool of 22 gauge (might be awhile, I'm broke at the moment)?  Any suggestions?
> 
> ~Kris
> 
> 
> 
>       
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