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Re: [TCML] Re: Coil Died



Hi Stan,

The next one WILL have a Terry Filter. Luckily, I do have a 15/60 on the
shelf. This should work fine for small group demonstrations.

I'm not even going to try and repair the damaged ones.

Thanks again for everyone's help.

Tim


On Thu, Oct 17, 2013 at 2:04 AM, Carl <cn8@xxxxxxx> wrote:

> Hey---
>
> Has anyone tried repairing NSTs with one bad side?  In high school we used
> to heat up the bad end carefully around the insulator, then rotate the
> insulator one eighth turn and pull it out gently.  It's in a square hole.
> Often there would be a burnt track in the tar.  Sometimes you had to light
> them up by plugging them in for a second.  Then you dig out the tar around
> the track and put in some new tar.  Often that repairs them.  Worth a try,
> anyway.
>
> ---Carl
>
>
>
>
>
> -----Original Message----- From: Stan Gray
> Sent: Wednesday, October 16, 2013 3:54 PM
>
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] Re: Coil Died
>
> Hey Tim,
>
> When ever I blew a neon tranny they didn't smoke a winding just opened.
> The performance changed so I
> took them off the system put power to them then checked each leg to ground
> with a screwdriver and every time found a dead side. That's what happens
> when your too stubborn too build a Terry filter. Good thing I had a sign
> shop and lots of neon trannies laying around.
>
> Stan
>
>
>
>
> ______________________________**__
> From: Tim Flood <tfloodrr@xxxxxxxxx>
> To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
> Sent: Wednesday, October 16, 2013 11:54 AM
> Subject: Re: [TCML] Re: Coil Died
>
>
> Thanks, Dave.
>
> The transformers did not smoke, but acted like their power dropped way off
> after less than 30 seconds of operation.
>
> I've already decided to shelve them and am starting to design a new TC.
> This just happened at a time when I don't have the time to experiment. Oh
> well.
>
> Tim
>
>
>
>
> On Wed, Oct 16, 2013 at 10:48 AM, David Thomson <
> tcbuilder@unified-force-**theory.com <tcbuilder@xxxxxxxxxxxxxxxxxxxxxxxx>>
> wrote:
>
>  Tim,
>>
>> The transformers may only seem dead.  If they didn't smoke, they probably
>> did not burn a winding.  It may be that there is residual magnetism
>> forming
>> a loop in the core, which would interfere with the mutual inductance.  Let
>> the transformers sit for a long period of time (at least a year) before
>> trying them again. You might also experiment with strong neodymium magnets
>> placed in different arrangements to try to release the magnetic loop.  I'm
>> not sure if it is possible to release a magnetic loop, though.
>>
>> Dave
>>
>>
>> On Mon, Oct 14, 2013 at 8:47 AM, Tim Flood <tfloodrr@xxxxxxxxx> wrote:
>>
>> > The problem did turn out to be the transformers. Both 9/60 NST are dead.
>> >
>> > Thanks again for all the help.
>> >
>> >
>> > Tim Flood
>> > ______________________________**_________________
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>> >
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