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Date: | Sat, 14 Feb 2004 02:56:24 -0800 |
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ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
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Hey Folks,
I'm looking for inexpensive ("pre-owned" is ok) Van de
Graaff generators that can be easily taken on the road
during traveling science programs. I am also looking
for "care and feeding" guides for VDGs.
The generator should be about 24" tall so that it can
be easily seen during assemblies of 300+ kids.
We have had a lot of problems with "unpredictable" VDG
behavior on the road. Something seems to be shorting
out the globe. I can develop a charge by holding my
fingers about a 1/4" from the belt, but the charge
somehow doesn't make it to the globe (once I remove my
fingers-of course). The rubber belt is exposed on our
Pasco SF-9722 VDG.
Any ideas?
Jesse Alexander, WB2IFS
Science Evangalist/Demonstrator
Liberty Science Center
Liberty State Park
251 Phillip Street
Jersey City, NJ 07305
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