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
>
>
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