On Tue, 03 May 2005 22:15:34 +1200, you wrote:

>>From another list (rocketry!)
>
>
>>>> If so, I'm considering using a Walton-Cockroft style voltage 
>>>> multiplier
>>>> circuit to generate about 60KV of current limited DC to power a 
>>>> small
>>>> demonstration suitable for use in schools etc.  I'd appreciate 
>>>> comments
>>>> on this approach as well.
>
>
>Look also at a Marx generator - an elegantly simple way of multiplying 
>DC.

Marxgens are impulse only - good for sparks but useless for electrostatics type things. 
CW multipliers are a good replacement for temperamental Van-De-Graffs but need careful
current-limiting to prevent killing diodes. 

Check out my 1MV bipolar marx - four-foot sparks  (on a good day)..
http://www.electricstuff.co.uk/marxthree.html

Some info on a CW multiplier here : 
http://www.roffesoft.co.uk/tesla/cwm/cwm.htm

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