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Work and , building a new r/c fixed wing drone with a planked wing design, iNAV autopilot . Hopefully I will build a new 5ft VanDeGraaff generator in time for Halloween 2020

This is the peak of the season for electrostatics with low humidity and less competing outdoor activities. Where is everybody?? Let's have a little noise on this group!? Be the first to post (other

https://photos.app.goo.gl/SpJTSY4UyBUt5HC6A click on gif to enlarge.

https://youtu.be/oM0yvs1OHdQ

The screen works fine with any HV supply. The danger is that a back fire through the transformer will destroy the transformer. Building an auto coil HV supply is the safest and cheapest way to go, and

Doug has made a new video showing all the parts of the system and then showing it running.?? Sparks are very impressive from the dual coils fed by 60 Hz.? That's a 12 inch diameter screen. I

Thanks Doug, I appreciate the help. Cheers Rod wrote:

Hank, The front plate is secured any way you can, but glue is fine. As for the Auto coil HV supply, I am not educated enough in electronic theory to understand how it works, but it does! Also, I

Doug, This feeding of an auto spark coil through a fairly large series cap with line voltage AC is new to me. Is the basic idea to just eliminate the expense of a step-down transformer that would

This is the cheapest, but, very effective HV supply. Light dimmer $5.00, Motor run cap. free to very cheap, auto coil from salvage yard. $?? I have drawings?for a single coil or dual coil unit.I like

Sorry I so late getting to this, I had to first walk the dog, then make the best pasta sauce on the planet for my dear wife!? The pics show the Lightning screen front and back, nothing more than a

Doug's Lightning Screen factoids will be shared here, not just in private email.? That's what these lists are for. I liked those screens, too, and the electrostatic motors like I haven't seen

Hi Ross, I'll do all the spects. tomorrow and also send some picts. Doug

Hi, I’m a member of the VDG Group, and also curious about details of your Lightning Screen. Its like the Strickfaden devices in old movies. Regards Ross arlunan@...

Hi Rod, I'll get on it tomorrow and give you all the info on the lightning screen. It is getting late here. Doug

I agree Doug, shipping to Australia would cost me both my arms and a few toes I expect. Can you please send me some information on the Lightning screen, I'd like to replicate it. Cheers Rod wrote:

Hi Rod, Yes I am pretty much interested in clearing out some stuff. The big problem I see is shipping cost and the buyer being able to reassemble correctly if the device must be disassembled for

What part of the world are you in Doug, I have a Van de Graaff but your Lightning screens and bipolar coils interest me greatly. Cheers Rod wrote:

All of these are for sale at modest prices. https://www.youtube.com/watch?v=h8qnanrSMkE https://www.youtube.com/user/dr043042/videos Doug

Russ, You're welcome.? The work hasn't ended because the photos and files are lacking the contributors' names and dates of submission for one thing.? Another effort is the old message base which