A Marx Generator!
I'm trying to build a small one of those myself.  There are some good 
pictures at Mike's Eletric Stuff

http://www.electricstuff.co.uk/marxthree.html

-Ben

Dave VanHorn wrote:
> I'm using pov to do some mechanical planning for a project.
> It's two towers of identical capacitors and spark gaps, fed with a ladder of
> resistors.
> 
> When the spark gaps fire, they change the capacitor connections from
> parallel to series, and in this case, multiply the voltage from 10,000V to
> 100,000V on each tower.  The towers will be set opposite, so that one goes
> from +10kV to +100kV, and the other goes from -10kV to -100kV, making the
> potential across the tops 200kV.
> 
> What I need now (other than some real textures) :) is a way to do some
> realistic wires.
> The wires connect the spark gaps (brass doorknobs) to the ends of the
> capacitors.
> On any given gap, the left knob connects to the left lower cap terminal, and
> the right one connects to the right upper cap terminal, so that the spark
> gaps can be thought of as being connected diagonally across the
> capacitor/resistor ladder.
> 
> I'm not seeing how to make the wires since they need complex curves that I
> can't easily define mathematically.

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