Re: Greg Leyh's big coil

To: tesla-at-poodle.pupman-dot-com
Subject: Re: Greg Leyh's big coil
From: Tesla List <tesla-at-stic-dot-net>
Date: Tue, 01 Apr 1997 04:31:19 -0600
Approved: tesla-at-stic-dot-net
Subject: 
        Re: Greg Leyh's big coil
  Date: 
        Tue, 1 Apr 1997 13:00:14 -0700
  From: 
        "DR.RESONANCE" <DR.RESONANCE-at-next-wave-dot-net>
    To: 
        "Tesla List" <tesla-at-pupman-dot-com>


Hi Bert:

Do you recall what the primary capacitance was on Greg's big coil? 
Also,
if known, what size and type HV terminal atop the sec. coil did he use. 
Thanks for the data.

DR.RESONANCE-at-next-wave-dot-net


----------
> From: Tesla List <tesla-at-pupman-dot-com>
> To: tesla-at-poodle.pupman-dot-com
> Subject: Greg Leyh's big coil
> Date: Monday,March 31,1997 9:18 PM
> 
> Subject: 
>         Greg Leyh's big coil
>   Date: 
>         Mon, 31 Mar 1997 21:00:03 -0600 (CST)
>   From: 
>         Bert Pool <bertpool-at-flash-dot-net>
>     To: 
>         tesla-at-pupman-dot-com
> 
> 
> Wild Bill Emery and I and a couple of other people drove down to Austin,
> Texas, to visit with Greg Leyh and to see his big coil in action at the
> SRL
> show.  Lot's of very weird spectators there (and some very weird SRL
> people
> too, I might add), some incredible pieces of mechanical wizardry, and
> one
> massive mother of a Tesla coil!  Some specs:  42 inches in diameter, 129
> inches tall, wound with 8 gauge "locomotive" wire, 3 TPI.  Primary: 4.5
> turns of 3/8 inch thick soft copper buss bar about three inches wide
> (somewhere near 300 pounds!)  Input power is 30 kva and up.  We saw some
> solid 20 foot+ sparks at this show, and I know Greg could have pushed it
> way
> beyond this.  Bill and I helped Greg rebuild a 60 kilojoule capacitor
> bank
> that was used in conjunction with this big Tesla coil.  The caps were
> charged to full capacity and wires were run to large banks of
> fluorescent
> tubes arranged around and down the length of some 14 foot long two by
> fours.
> When the Tesla coil's sparks hit one of the light banks, about a zillion
> amps of high voltage/current tore through the tubes and then through the
> Tesla coil secondary to ground.  The flash of the big fluorescent tubes
> discharging the big capacitor bank was incredible!  I've never seen an
> array
> of dozens of 10 foot fluorescent tubes blown up before - it was an
> awesome
> display of raw power.  Finally meeting Greg was the real highlight of
> the
> trip; he is one hell of a nice guy, and I learned a lot from him in the
> 8
> hours I hung around.  I shot over 100 pictures of the coil, the rotary,
> the
> caps, the power supply, the sparks, heck I might have even got a shot or
> two
> of Greg himself! As soon as I get these pictures processed (I'm getting
> triple prints and may have to sell my car to pay for all the processing)
> I
> will scan some of the better pics and post them to the image list.  For
> those of you who have never been to an SRL event, it is something to
> check
> out, especially if Greg and his coil are going to be there.  
> 
> Greg, it's an awsome coil, and an incredible accomplishment.  Hope I can
> equal or surpass its performance some day.
> 
> In desperation, Bert hastily built a Tesla coil out of parts torn from a
> toaster, a microwave oven, and his wife's hair dryer. . .
> 
> Bert Pool
> bertpool-at-flash-dot-net