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Re: New coil troubles

Original poster: "Barton B. Anderson" <tesla111@xxxxxxxxxxxxx>

Regardless of the coils pri to sec arcing, k is rather high and likely problematic, especially if your attempting to tune the coil. Thus, it's best to lower k to a relaxed value and then tune the coil. After it's tuned, one can play with coupling for best performance. In the end, I would bet k will be set around 0.15 which may leave plenty of pri to sec distance to prevent arcing. Someone here had mentioned this coil appeared to be forced into breakout. I would agree, that is a perfect description for this coils troubles.

Take care,
Bart B.

Tesla list wrote:

Original poster: robert heidlebaugh <rheidlebaugh@xxxxxxxxxxxxxx>

Just a second thought about the vertical portion of your primary. If tuned
correctly,,, If tuned correctly you should not have an arc problem. You can
use a short lendth of PVS pipe as an insulator extending 1 inch above and
below your vertical portion inside. Tube coilers often do this so they can
get close coupeling without arcing.
     Robert    H