Re: TC for VDG injection

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "davep by way of Terry Fritz <twftesla-at-qwest-dot-net>" <davep-at-quik-dot-com>


> Ok. Better control, quick startup, more reliable operation, are
> certainly advantages of an active charging system. I only managed
> to make my VDG operate reliably with friction excitation when I
> installed a Teflon roller. With other materials the performance
> was always poor, but it always operated well with active charging.
> With the Teflon roller, there is no difference, except for a bit
> longer startup while the roller accumulates charge.
> Note that an active charging system was the fundamental difference 
> between the original Van de Graaff machine and previous electrostatic
> machines.

	Hmmmm.
	I can't think of a previous _belt_ machine.
	I'd have thought that was the fundamental change...

	best
	dwp

...the net of a million lies...
	Vernor Vinge
There are Many Web Sites which Say Many Things.
	-me