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Re: [TCML] All of my tesla coil questions (for now)

Yes, use the Terry filter and safety gap --- otherwise your nst xmfr will

Use 12 kV 60 mA nst --- $25 at most local neon shops, perhaps FREE if you
tell them you are a student.  Meet them face to face and show them some

Don't use glass, very bad heat dissipation factor soaks up 25% of your input
power.  You don't build MMCs, you buy them.  Contact me off list --- I sell

Use "double build" magnet wire --- better insulation.

If you contact me off-list I will give you my tel number and you can call
me.   I have a nice set of plans for a coil that will work right the first
time you plug it in!!!

Dr. Resonance

On Wed, Jun 11, 2008 at 6:47 PM, Nicholas J. Goble <ngoble@xxxxxxx> wrote:

> I figure I should introduce myself.  I'm a sophomore in college,
> studying business.  I have only a basic college level physics course
> under my belt, but I've read a lot about Tesla coils on the Internet.
> I've always enjoyed building things and impressing people with them.  I
> think the most fun is building them though.  My plan is to build a
> small to medium coil over the summer.
> Instead of filling the archives and your inboxes with multiple
> questions that are unknown to me but second nature to everyone else,
> I'll just clump them all in one big message.  Here are all my
> questions; hopefully someone can answer them:
> 1) Do I NEED a Terry filter?  I know they protect the transformer, but
> I don't know how they work and what happens if I don't use one.
> 2) Do I NEED a saftey gap?  Again, I know they protect the transformer,
> but I'm in the dark as to how they work and what will happen if I don't
> use one.
> 3) How much should I plan on spending on a transformer (approx 10KV,
> 30mA)?  I don't want overpay because of inexperience.
> 4) How do I construct an MMC?  What type of circuitry do I use?  I
> can't find any concrete information on MMC's.
> 5) Instead of building an MMC, whould it be cheaper and/or more
> effective to build a plate capacitor out of just window glass and some
> other metal?
> 6) This was my plan for a spark gap: Have 2 rods (preferably Tungsten)
> form a gap inside a PVC pipe and have a fan or blower at one or both
> ends.  Will this be sufficient?  Would a rotary gap be better?  I just
> don't want to be replacing the rods every time I fire this thing up.
> 7) Should I use insulated, magnetic wire on the secondary coil?
> My biggest fear is that my coil doesn't work after all the time and
> effort I invest into it.  My second biggest fear is that it dies
> shortly after I put it together.  My third biggest fear is that I die
> from it.  I'm pretty sure I can be safe around electricity.  Just don't
> touch the thing when the cap is charged or it's plugged in, right?
> These are all my questions for now.  I appreciate all of your past and
> future answers.  This has been an extremley helpful listserve.  Thanks
> Nicholas Goble
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