Re: Micro coil

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Ben Schweitzer by way of Terry Fritz <twftesla-at-qwest-dot-net>" <bensch1-at-home-dot-com>


----- Original Message -----
From: Tesla list <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, June 11, 2001 4:22 AM
Subject: Re: Micro coil


> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<Fucian-at-aol-dot-com>
>
> In a message dated 6/9/01 11:19:24 PM Eastern Daylight Time,
tesla-at-pupman-dot-com
> writes:
>
>
> >
> > Just assembled a mini really microscopically tiny TC. Here are the
specs:
> >
> > 4kV 9mA bug zapper transformer, repotted in petroleum jelly
> > 1 15oz Salt Water capacitor
> > 7 turn helical primary, tapped at 4 turns
> > .5 inch cardboard form wound with hair-thin wire(not sure of the gauge,
> > maybe 36?),
> > 4 inches wrapped by hand(really hard) No crossovers in the windings.
> > Spark gap is two copper electrodes set at 1/32in
> >
> > Performance is OK. 1" sparks to my hand. 3/4in streamers. I do not have
a
> > good RF ground in my room so I attached the bottom of the secondary to a
> > heap of Al dryer duct leftover from making toroids. Works fine for right
> > now. I will take it out in the garage and hook it up to my RF ground.
I'm
> > also planning on building an MMC for it with some ceramic caps that I
> > ordered. The SW cap isn't anywhere near res.
> >
> > Does anyone else have a microscopic coil? Questions? comments?
> >
> > Matt Shayka
>
>
>
> I USED to have several.That is back when i got started.Mine was about the
> same as yours except a 1in secondary with 30awg wound about maybe
5-6in.The
> primary was like 7-10turns of 22awg wound directly on the secondary.I got
1in
> sparks as well and would play till my head hurt!So much fun!
>
> Matt
>
> 

I currently have a micro coil too!  Mine is powered by the same bugzapper
tranny, except i am using an mmc.  The secondary is about 1 inch by 4
inches, primary is a cone type at about 15 degrees.  Very fun, i can let the
sparks come to  my hand and all.

ben