Re: [TCML] Secondary coil strikes

[Carl Noggle <cn@xxxxx>]

You shouldn't lower your toroid, because if it is less than about half 
of the winding diameter away from the coil top, it will act as a shorted 
turn and reduce your performance.  You can make a turn around the top of 
the coil with 1/2 inch copper tubing right next to the wire, but leave a 
break of 1/8 inch or so to avoid the shorted turn.  Connect this tubing 
to the top of the secondary.  Hopefully this will stop arcing from the 
top turns.

Good luck---

Carl





> Hello everyone,
> Tried my tesla this weekend at our annual pig roast. Work our great, was able to light up 20 4ft and one 8 ft fluorescents. I did have an issue when I let it stand alone and break out. Every once in a while I would get a secondary strike from the top of the coil winding a few turns down  to, it was hard to tell either to the primary or to the very bottom of the secondary where the lead goes to gnd. It is a 6.25" secondary with two toroids, a 3x12 and a 6x24. If you were to look straight at the coil the bottom of the 3x12 Toroid is about 2.25 inches above the top of the sec winding. In your opinion could this be the problem, the Toroid being too far above ? If so I could cut it off, but a lot of work. What would happen if I wrapped 2" wide foil tape around the top of the form, have it about 1/4" above the top of the form, fold that 1/4" over the form, then put my toroids back on . The folded in lip would then make contact the the 12" Toroid .
>
> Need some help
>
> Thanks ,JM_______________________________________________
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