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Re: [TCML] JavaTC Tuning Suggestion
Hi Phillip,
Yep, I've been there myself. Sometimes emperical evidence
doesn't always closely agree with the theoretical. I think Tesla
coiling construction and tuning programs like JavaTC, WinTesla,
ect. (Java is my personal favorite) are all good and have there
place in getting you within the right "ballpark" of tuning your
coil instead searching with no idea of where to start tuning but
there are often variables that are very difficult, if not impossible,
to account for when entering your data into a program. There-
fore the final fine tuning is often better done by trial and error
for what gives the longest sparks. Hey, longer sparks are pretty
much what this hobby is all about to >90% of us, right?
David Rieben
----- Original Message -----
From: "Phillip Slawinski" <pslawinski@xxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Monday, July 07, 2008 12:11 PM
Subject: [TCML] JavaTC Tuning Suggestion
I did a lot of testing with my TC this past weekend. One of the things I
did this weekend was increase my top load. I resized my 6x18" toroid to
6x21". This toroid is stacked below my 7x23" toroid. When it came time
to
re-tune the coil I just did it experimentally. To me performance seemed
to
increase as I added more primary inductance. I had the tap at the very
end
of my primary by the end of my testing. I just updated my model in JavaTC
and run the numbers today and it's telling me that I should tap 2 turns
closer to the center than I had this weekend. I tried tapping it around
where JavaTC suggests this weekend and the performance did not seem to be
as
good as driving it with as much inductance as I could get out of the
primary. When I ran it near where JavaTC suggests the discharge woudl
break
out in multiple small streamers. When I ran the coil with the tap all the
way at the end of the primary I would get a single breakout that went up
to
56".
I'm fairly certain the numbers I've put into JavaTC are correct. They
haven't been wrong in the past. Was I running the coil out of tune, or is
there something I could be missing?
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