Re: Post-toasted neon

• To: tesla-at-poodle.pupman-dot-com
• Subject: Re: Post-toasted neon
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Thu, 20 Mar 1997 01:22:38 -0600
• Approved: tesla-at-stic-dot-net

Subject: 
            Re: Post-toasted neon
       Date: 
            Wed, 19 Mar 1997 20:40:56 -0800
       From: 
            Bert Hickman <bert.hickman-at-aquila-dot-com>
Organization: 
            Stoneridge Engineering
         To: 
            Tesla List <tesla-at-pupman-dot-com>
 References: 
            1


Tesla List wrote:
> 
> Subject:
>         Post-toasted neon
>   Date:
>         Tue, 18 Mar 1997 11:42:47 -0500 (EST)
>   From:
>         tesla-at-america-dot-com (Bob Schumann)
>     To:
>         tesla-at-pupman-dot-com
> 
> Not a happy hello,
> 
> I toasted my 12kv-at-60ma franceformer. Damn. I was using a variac
> and it must have been the 140VAC. Now when I plug in the transformer
> I get 1 quick big spark and then it starts smoking around the
> HV bushing.
> 
> I have a couple of questions.
> 
> 1) Does the smoke most probably come from the insulation or
>    from the windings or both.
> 
> 2) If unpotted, is it possible to remove the spools and rewind
>    them or does this require a certain machine. I would think
>    the secondary windings might be the 'hair' type wire and
>    easily broken. I would think that the core of the transformer
>    is still good.
> 
> I found a price for a new Magnatek (formerly Jefferson) $122.68 OUCH!
> 
> Bob Schumann
> 
> tesla-at-america-dot-com
> http://www.america-dot-com/~tesla

Bob,

The good news is that it sounds like the tar around one output has
carbon-tracked. If you take the unit apart and remove the tar, the
transformer should be OK.

Good luck!

--- Bert --

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