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RE: [TCML] Pictures of my Tesla Coil
Put a sharp wire off your toroid when tuning especially at low power.
Then, using a variac slowly bring it up to 40% and adjust the primary
taps. Sometimes you will start with only a few inches of spark and then
it gets longer and longer as you tune turn by turn. When close, then go
back and do 1/2 turn increments within the final turn, and then down to
1/4 turn increments.
Many times, if using a toroid and no breakout point during tuning you
don't have enough voltage to cause a breakout, especially with smaller
coils. When you are finished doing all the tuning, and bring the variac
up to 100% power then you will get the breakout off the bare toroid.
When the best tap point on the pri is selected, then try raising your sec
coil using small 1 inch high wood blocks to adjust your coeff. of
coupling. This will effect your spark output. Then go to 1/2 inch blocks
when you find the right inch. This usually gives you another inch or two
of spark length.
> Hi Dirk:
> Regarding the toroid size - it looks quite appropriate in size to me,
> relative to the secondary. Is it unable to break out? It may just (ha!)
> be a matter of tweaking other things - coupling, gap width (be careful!),
> and primary tap.
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