Re: NST can't power Jacobs ladder!?

>Original Poster: Jan Florian Wagner <jwagner-at-cc.hut.fi>
>Am I missing something here, or is it really that NSTs can't power a
>Jacobs ladder? Both of my 8kv 50ma NSTs rated 400VA did light an array of
>neon tubes really bright as I tested them. Couldn't measure any
>internal shorts and no "burn throughs" (at least not below 2000 MOhm)
>in either NST - they seem perfectly ok !?
>But the Jacobs ladder simply doesn't want to work. Just a dim, blueish
>arc, that stays where it started (~4mm). Electrodes are perfectly clean.
>NST centertap is grounded. The ladder did work nicely with a tiny TV
>I thought that at 50ma you should at least get some sort of small flame?
>Any ideas?

With a 12KV 60Ma NST I have a small (1'tall) Jacobs Ladder running here in 
my apartment. I believe your's should work also. Here are some tips.

If you get nothing but a buzzing sound and no spark at all bring your lower 
leads (the start gap) closer together.

If you get a tiny spark that refuses to climb, then your start-gap is too 
small. Widen the lower end of the leads.

The rest is trial and error. Good luck.

The Coronaphile
Christopher A. Boden
The Geek Group, Inc.

The Geek Shall Inherit the Earth!

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