Re: Van der Graaff generator details. (fwd)

[Steven Roys <sroys@xxxxxxxx>]

---------- Forwarded message ----------
Date: Mon, 20 Oct 2003 12:36:16 -0600
From: Nick Andrews <nicothefabulous@xxxxxxxxxxx>
To: hvlist@xxxxxxxxxx
Subject: Re: Van der Graaff generator details. (fwd)

That sounds very cool.  I'd like to see some pics of that machine!

Nick A


>From: "High Voltage list" <hvlist@xxxxxxxxxx>
>To: <hvlist@xxxxxxxxxx>
>Subject: Re: Van der Graaff generator details. (fwd)
>Date: Sat, 18 Oct 2003 20:37:28 -0600 (MDT)
>
>Original poster: Steven Roys <sroys@xxxxxxxx>
>
>
>
>---------- Forwarded message ----------
>Date: Fri, 17 Oct 2003 18:00:11 -0600
>From: Dr. Resonance <resonance@xxxxxxxxxx>
>To: High Voltage list <hvlist@xxxxxxxxxx>
>Subject: Re: Van der Graaff generator details. (fwd)
>
>
>Finn:
>
>There is another way the works quite well for large termination design.
>
>We made a 2 MEV VDGRF by turning a cylinder 90 degrees on its side and then
>using two large hemispheres (sphere actually cut in half) for end caps.
>The
>cylinder can be either metal or even rolled up medium mesh wire.
>
>Supports are 3 two inch dia. fiberglass (haysite) rods which go through
>small holes and suspend the sphere in space.  The belt hole is a neatly cut
>slot with the surfaces slightly curved inward.  Our sphere was elevated
>approx 14 ft. above ground.
>
>Our cylinder/sphere was 4 ft. dia. x 7 ft. long.  This allowed us to run a
>36 inch wide belt into the slot and we got out 550 uA at 2 x 10^6 Volts.
>Beautiful 6-7 ft. long sparks and very hot.
>
>This design could be either upscaled or downscaled to suit your needs.
>
>Dr. Resonance
>
>Resonance Research Corporation
>E11870 Shadylane Rd.
>Baraboo   WI   53913
> >
> > <J.G. Trump gave an excellent example of the correct design of a Van de
> > <Graaff high voltage terminal. Instead of a sphere, the terminal is a
> > <flat topped
> > <toroid.( 500 kV @ 200 microamp. is generated by this 1938 design ).
> > <www.lateralscience.co.uk/VDG/trump.html
> >
>
>

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