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first light
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From: Michael Tucknott [SMTP:Michael.Tucknott-at-virgin-dot-net]
Sent: Monday, May 04, 1998 3:20 PM
To: Tesla List
Subject: Re: first light
Tesla List wrote:
>
> ----------
> From: bob golding [SMTP:yubba-at-clara-dot-net]
> Sent: Monday, June 08, 1998 3:03 AM
> To: tesla-at-pupman-dot-com
> Subject: first light
>
> >Date: Mon, 08 Jun 1998 00:59:58 -0700
> >To: tesla-2-at-emachine-dot-com
> >From: bob golding <yubba-at-clara-dot-net>
> >Subject: first light
> >Cc: t2
> >
> >Hi all
> > Fired up the coil for the first time today. 12" sparks straight off from
> the 8" toroid. We then spent some time playing with the tuning and the
> coupling. With 6 turns tapped in we got sparks all over the toroid without
> any breakout points. the bottom of the secondary was about level with the
> 3rd turn of the primary. We started with one gap on the spark gap but
> quickly moved up to two as the safety gap was not firing and all seemed
> well . This seemed to increase the power ie noise but not the spark length.
> We then tried the 19" x 4" toroid after re tuning and got 12" sparks with
> breakout points. we used 8 turns on the tap,and kept the coupling the same.
> We then stopped to find some ear protection and to invite the neighbors to
> a show at dusk. The neighbors were impressed or terrified but stayed for
> awhile. After more tuning and opening up the gap to 0.125" we managed 24"
> to a grounded wire. At that point we stopped as it was 11.30 in the
> evening. The coil is hooked up with 18 awg stranded antenna wire. we are
> also using this to the ground. 2 5 foot 3/4" copper pipes 2 foot apart. I
> feel this might be a weak point. would 1/4" copper tube be better as the
> ground connection? I am still not sure about the coupling. with the small
> toriod we can see corona around the top of the seconary but it dissapears
> with the larger toroid. should we fine tune with the tap and then try
> changing the coupling?. Thanks to Mike Hammer, Bert Hickman, Hollmike and
> everybody else for all their help.
> >
> >bob golding lightning without rain
> >
> >bob yubba-at-clara-dot-net
Rob Hi
Nice to see you got your cap sorted out from the Teslathon the box was
broken if my memory is right.
Well done on first light.
It is a good feeling when it all works at last.
Cheers Mike Tucknott.