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RE: Successful run!, rotary gap questions
I probably should have described the coil a bit better. The secondary is a
4.25" PVC pipe wound 18" with 28 gauge wire. I have one static gap, two
bolts with flat heads (toilet hardware), and a small 12v fan blowing on the
gap. The fan is surprisingly helpful. I am thinking of making a rotary
gap, but I am wondering what the difference is between a synchronous, and
non synchronous? Can I use a standard 125vac 1/4 hp. motor? How many
points should I have on the disc? Thank you for the responses, and I plan
on adding a few more turns to the primary (boy, the pipe is expensive!).
Once again, thank you
-Andy
> -----Original Message-----
> From: Tesla List [mailto:tesla-at-pupman-dot-com]
> Sent: Monday, May 10, 1999 6:49 PM
> To: tesla-at-pupman-dot-com
> Subject: Re: Successful run!
>
>
> Original Poster: FutureT-at-aol-dot-com
>
> Andy,
>
> I'm glad to hear you got sparks from the coil. You might try adding
> even more primary turns or less to max out the spark. You didn't
> mention if you tried intermediate tune points of less than five extra
> turns, or just installed the 5 turns and ran the coil. A better gap
> system of a few multiple series gaps might help, instead of just
> one gap. The sparks from the top turns suggests that the coil
> may need a few more primary turns maybe. A toroid will stop
> these turns from emitting from teh top turns, but the toroid will
> require even more primary turns, maybe 2 or 3 more, so you may
> still need as many as 5 more turns or so for the best tune. Tuning
> is the key, and a reasonable spark gap. Your gaps are not pointed
> are they? (points are a no-no). You may have given the gap details,
> maybe i read the post too quickly. You should get at least 20"
> sparks. You may have to put a metal bump on the toroid at first to help
> the breakout, until everything is tuned to the final perfect state.
>
> John Freau
>
>