[Prev][Next][Index][Thread]
Re: Conventional Sparking
From: Peter Electric[SMTP:elekessy-at-macquarie.matra-dot-com.au]
Reply To: elekessy-at-macquarie.matra-dot-com.au
Sent: Sunday, July 20, 1997 2:23 AM
To: Tesla List
Subject: Re: Conventional Sparking
Tesla List wrote:
>
> From: Alan Sharp[SMTP:100624.504-at-CompuServe.COM]
> Sent: Friday, July 18, 1997 3:00 PM
> To: INTERNET:tesla-at-pupman-dot-com
> Subject: Re: Conventional Sparking
>
> Greetings all,
>
> Thanks to all those who responded to my request for
> info on the World War II capacitors. I was able to
> get 20 in the end - all he had, at a discount, and I'll
> try them soon.
>
> Meanwhile I've got my first conventional coil running.
> I can draw 10" sparks of it. I'm using a 5500V 330mA
> transformer with a 0.02uF capacitor - which limits
> the amount of power I can usefully process.
>
> It fired first go and the performance doubled on tuning.
>
> The transformer isn't current limited, so I'm using
> a 2.5kW convector heater in series to keep it in
> rein - I know I'm loosing voltage :(
>
> I built it around an existing 4" coil (about 1000 turns
> of 0.4mm wire) with a 9 turn pancake primary.
>
> Tuning and setting the safety gaps (one across the
> transformer and one across the caps) was straight
> forward after a year on this list.
>
> I hope to tweak a bit more out of it - add capacitance,
> rewire the variac to get to 110% Widen the gaps.....
> Best of all the church slows done at this time of
> year and I've got a student assistant for the summer.
> I should get a bit more done.
>
> Have fun.
>
> Alan Sharp (UK)
Alan,
If you don't mind me asking, where did you get your transformer from?
Cheers,
Peter E.