Has anyone used a metal roller and "pumped" or sprayed a charge onto the belt? I recall Richard Linder saying he'd tried pumped VDGs before but I'm wondering...
I tried a 20Kv pumped setup with a metal bottom roller as wel as my usual nylon bottom roller. It worked but not much, if any better at all, than the...
Hi Mr. Linder, For sake of mention, the cloth material turns out to be felt. What the triboelectric properties of felt are, I couldn't really say ... has ...
My brother Matt owns a Canon 5D with L-series lenses, and recently did a little photo shoot with the VDG: http://wvlightning.com/vdg42706a.shtml This is the...
Cool pix, Dan. Did Matt take any precautions to guard against frying his camera, or is that not a problem? I will shoot some VDG photos when I get my generator...
Great Hi-Res pictures! I have photographed my big VDG in action with my digital Olympus SLR, others have used their Nikon coolpix, Nikon F1 and Nikomats with...
I'm currently planning to make a VDG, and I want to include as many features as I can. The list below is all I could come up with. Any additions or suggestions...
Don: Sounds like you have identified all the critical issues. I offer the following comments item by item: 1. My tri-point scheme takes care of camber (belt...
Great roller alignment scheme. Built like a bank vault!! Congratulations - very professional. Dick ... From: insten95 To: VanDeGraaffGenerator@yahoogroups.com...
Good-looking machine, Stephan. You, Dick, and others have used clear acrylic plastic to make beautiful and functinonal components for their VDG's. The only...
Don: I purchased a miniature propane torch from the local hardware. I have had some luck with fire polishing the milky cut surfaces of plexi. It does take some...
The reason I made the top plexi cloudy was because the glue between the two pices did not look very good, so I sanded it with 320 grit sandpaper to give it a...
thank's dick ,but if it wasen't for you and the pictures of your VDG I could not have done it. and thanks to everybody in this group for all the great info and...
the screw is for side to side adjustment in case I take it apart and put it together agian,it make's alining it easer.The universal 1/5hp motor is for running...
To all the folks on this forum: I am really pleased that the pictures and suggestions have served to help others build their VDGs, encourage original designs,...
Richard, thanks for the comments on the "pumped" vs tribo approach and metal pulleys. Since I have a sub-goal of trying to control beam current I think the...
I have had no experience with Tyvek. I stopped evaluating everything on earth when I found the vinyl impregnated nylon. It was the first belt material that...
The neoprene impregnated polester at McMaster-carr works extremly well and and get my machine to make nice sparks just by turning the shaft by hand,thats the...
I'll save that info in my file and maybe give it a try a bit later on. Much appreciated. DIck ... From: insten95 To: VanDeGraaffGenerator@yahoogroups.com Sent:...
Markus, Congratulations on getting first electricity from your VDG! A 1/2 meter globe should max out at about 500 kV. But you can't approach that until...
Hello all, I just added Russ's VDG photo album. I took over ten surface discharge photos using my 35mm film camera and only one came out. I really need to get...
Thanks, I took a close look at the negatives and found out the other ten surface discharges were all there, each one different. Walmart photo developing...
I have been working on a VDg for over 6 months. I need some help with a few parts. I have a power point of it so far please tell me what you think. Power...
Oracle, Cool project. Nice presentation. I've been tinkering for years, and just got my own first generator working this year. Your idea for a garden sphere...
It seems the traffic in this group has fallen off dramatically. Could it be that the humid summer days cause the machines to perform at less-than-optimum...
Try kester acid paste flux formula sp-30 and kester silver solder do a google search.This is what I used on mine and it worked great,but you will need a good...
Hi Don, Yeah, it's been so slow that I've kept wondering if either my browser or the site server was broken. My generator continues to function in Westminster,...
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