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Re: [TCML] Tesla Coil Mailing List



I experienced that grounding the start of the secondary coil had a big
inpact on the spark size

29. mai 2017 18:46 skrev "Chip Atkinson" <chip@xxxxxxxxxx>:

> Hi Eric and David,
>
> If you wish to use photographs, please use a photo sharing site.  TCML
> doesn't send out photos.
>
> Chip
>
>
> On Mon, 29 May 2017, Eric Urban wrote:
>
> David,
>>
>> Just include as many details and photographs of the configuration as
>> possible. A few questions:
>>
>> How is the spark gap quenched?
>>
>> Does the toroid have a breakout point on it?
>>
>> Can you lower the capacitance of the MMC and see what happens?
>>
>> Eric
>>
>> On Mon, May 29, 2017 at 8:52 AM, Dave Delman <doctordhd@xxxxxxxxx> wrote:
>>
>>> What would be the best way to ask for advice regarding problems with my
>>> first Tesla Coil build?
>>>
>>> When I first tested it I was getting some arcing from the lower aspect of
>>> the secondary to the primary. I fixed the burnt insulation on the
>>> secondary,
>>> coated the secondary with Polyurethane and added Plexiglas sheeting on
>>> top
>>> of the primary. Now I am getting arcing on the top few inches of the
>>> secondary to itself.
>>>
>>> Coil Specs
>>> Oil Burner Ignition Transformer
>>> 10kv @ 23ma
>>>
>>> Static spark gap
>>>
>>> Primary 14 turns 0.25" copper tubing
>>>
>>> MMC 20nF
>>>
>>> Secondary
>>> 4.5" x 19.25"
>>> 1085 turns of 26 gauge enameled wire
>>>
>>> Toroid 4" flexible aluminum duct 20" diameter
>>>
>>> Ground
>>> 12" copper pipe
>>>
>>> Thank you,
>>> David
>>>
>>>
>>> _______________________________________________
>>> Tesla mailing list
>>> Tesla@xxxxxxxxxx
>>> http://www.pupman.com/mailman/listinfo/tesla
>>>
>> _______________________________________________
>> Tesla mailing list
>> Tesla@xxxxxxxxxx
>> http://www.pupman.com/mailman/listinfo/tesla
>>
>> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxx
> http://www.pupman.com/mailman/listinfo/tesla
>
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