Re: [TCML] Coil Died

[Tim Flood <tfloodrr@xxxxxxxxx>]

Thanks. One thing I maybe should have mentioned is that PVC tube wall
thickness is about 3/4". But I will disassemble and take a look tonight for
any signs of arcing inside.

Tim


On Wed, Oct 9, 2013 at 4:41 PM, Andrew Robinson <arobinson@xxxxxxxxxxxx>wrote:

> On 10/9/2013 3:36 PM, Tim Flood wrote:
>
>> The coil that I just silver soldered together the broken brass strip
>> primary will now only produce a weak purple spark from a break-out point.
>> It performed fairly well with the broken primary. Help!
>>
>> The rest of the story is while I had things apart I replaced the four
>> paralleled door knob caps with an MMC string of 12 .15uF caps in series.
>> The door knob caps produced .011uF and the MMC string .0122 uF per my
>> Wavetek meter. Also increased the gauge of all the tank circuit wiring.
>> Everything else remained the same.
>>
>> The first attempt produced a very weak, purple single discharge. I moved
>> the tap point on the primary which improved the performance a little, but
>> then several white arcs shot down the length of secondary. There was no
>> apparent damage. After that I could only get a weak discharge from a
>> break-out point no matter where I tapped the secondary.
>>
>> I do need to use this coil in the near future and will appreciate any help
>>
> Bet you any money you put a pin hole through the secondary. Disassemble it
> and look for tracks inside.
>
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