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Messages 2269 - 2299 of 2479   Oldest  |  < Older  |  Newer >  |  Newest
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2269
Hi All, Well the humid season has arrived, and it doesn't seem worth it to run any of my devices. Well if any of you were wondering, the demonstration I was...
Todd Atwood
toddjwood
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Jul 5, 2008
11:27 pm
2270
Hi Todd It has been a while since I have said anything – I feel sorry for people who live in the tropics as you have to pack up your gear for nearly 6...
Trevor Hannam
trevor_mixie
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Jul 5, 2008
11:50 pm
2271
Hi Trev, I live in Massachusetts, USA on the coast and while far from tropical we do get our share of moisture so I can sympathize. I forgot to mention that...
Todd Atwood
toddjwood
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Jul 6, 2008
11:31 am
2272
Thanks Todd I have the Perspex disc now for a year and haven’t done anything with them. Soon now I guess, but they are 6mm thick 13” Diameter. I think...
Trevor Hannam
trevor_mixie
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Jul 6, 2008
11:58 am
2273
Hi Todd That's the place I got my Wimshurst Generator from. In fact I got one last year, and picked up another this year since as I thought the price was...
Philip
pan00
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Jul 7, 2008
4:47 pm
2274
Hi Phil, It would be nice if we could use this humidity the way nature does, to make electricity. But I think my landlord would frown on thunderclouds in my...
Todd Atwood
toddjwood
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Jul 7, 2008
5:16 pm
2275
Hello all, I'm new to this group and failry new to electrostatics as a hobby. I got started about six months ago when my daughter wanted to make a Leyden jar...
mrapol
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Jul 22, 2008
11:48 pm
2276
Hi Paul: Welcome on board! Sounds like you are really on a roll building stuff. Cruise the photo section to see what us folks are up to. Let's see some of ...
Richard Linder
tibia32
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Jul 23, 2008
11:18 pm
2277
Hi Paul Welcome to the group. You are a tinkerer and like myself, love making things from old parts and scrap. You will find this group most helpful. They...
Trevor Hannam
trevor_mixie
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Jul 24, 2008
8:39 am
2278
Thanks for the welcome. I found a very good book from Lindsay called "The Boy Electrician," first published in 1940. Loads of great projects and ideas, from ...
mrapol
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Jul 25, 2008
2:50 am
2279
Hi Paul, I've had good results following advice from http://www.alaska.net/~natnkell/leyden.htm I use a plastic rubbermaid 1.9L storage jar, with a screw on...
Philip
pan00
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Jul 30, 2008
7:30 pm
2280
... Yes, I found this site. Very useful. His cookie sheet electrophorus is very surprising and effective! ... I read in A. D. Moore about using the charge to...
mrapol
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Jul 31, 2008
2:23 am
2281
I know this is geared more toward VanDeGraaff generators and such, but I was hoping I might get some insight on charging a capacitor. I started out wanting to...
xraygunner
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Aug 27, 2008
3:20 am
2282
Hi Troy, ... A properly designed voltage multiplier can work quite well for capacitor charging. For example, by using a number of identical lower voltage ...
Bert Hickman
bert_hickman
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Aug 27, 2008
4:11 pm
2283
If you are using a voltage multiplier/adder the output is allready DC at the output. 100kV you must be talking about a Cockroft Walton style adder. If you're...
Dave Jenkins
davejenkins70
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Aug 27, 2008
9:18 pm
2284
I guess I should have clarified that, yes I am using a voltage multiplier. I am assuming that it has a standard recovery time. I'll look into that. What I am...
xraygunner
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Aug 28, 2008
1:51 am
2285
One more question, folks. I've been looking into the HV rectifiers and the best I've found so far is 80kv. Is it possible to connect several in an...
xraygunner
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Sep 3, 2008
5:13 am
2286
OK, so I put together a system to fire a car ignition coil like a Ruhmkorff coil, and it works well. On one side it uses 2 6 volt lantern batteries to power a...
mrapol
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Sep 4, 2008
12:55 am
2288
Hi Paul take a look at Kurt's lightning studio ... http://home.datacomm.ch/k.schraner/induction_coils.htm @Volt...
Lyonel Baum
antivolt2
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Sep 5, 2008
8:37 am
2289
Very interesting site, but I didn't find anything that answers my question. Reading around I think chokes would work, but I don't know enough about them to...
mrapol
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Sep 6, 2008
7:39 pm
2290
Hello Group, Is anyone still working with a Wimshurst Machine? We are doing some Wimshurst/Gray experimenting. Afew pics: ...
joe_1001101
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Sep 17, 2008
2:12 am
2291
Please allow me to introduce myself. My name is Dan Petersen and I have recently turned my attention to electrostatics. Not long ago I built a Wimshurst...
Dan Petersen
w7oil
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Sep 17, 2008
2:12 am
2292
Dan, Wrap the lower roller in felt cloth and make a letex belt. Don't use the alcohol on the belt. I have a 22" dome on a 4" clear PVC pipe with a 3" letex...
alan hallock
alanhallock
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Sep 17, 2008
10:55 pm
2293
Hi Dan: Welcome to a great forum. Lots of smart and experienced folks who are willing to share their knowledge. I built two vdgs which I have documented with...
Richard Linder
tibia32
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Sep 18, 2008
10:25 pm
2294
Hi Alan and the group: I have added three more photos of the roller assemblies and my latest Leyden jar in the "Dan's Gizmos" photo area. Thanks for the tips,...
dpetersen@...
w7oil
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Sep 21, 2008
3:10 am
2295
Hello again, What I am doing is taking the HV from these amazing machines, and looking for a sign of "free energy" from the spark. One more pic from another...
joe_1001101
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Sep 21, 2008
3:10 am
2296
Hello Everyone, My name is Darrin and I thought I'd give a VDG attempt after my Friend Dan Petersen built one. It seems I might be having the same issues as ...
dsirois314
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Sep 22, 2008
1:54 am
2297
Hey again everyone, I have a few more questions that I hope some of you more experienced guys can answer, here we go. Does the width of the belt matter? Will...
dsirois314
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Sep 22, 2008
11:34 pm
2298
Darrin: Think about the VDG being a conveyer system carrying electrons up to the top terminal. Width and belt speed determine the rate of delivery of the ...
Richard Linder
tibia32
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Sep 23, 2008
12:30 am
2299
Thanks Dick, I do appreciate the assistance. Here are a few more that might help me design a better VDG the next time around. Looking at the Triboelectric...
dsirois314
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Sep 23, 2008
1:07 am
Messages 2269 - 2299 of 2479   Oldest  |  < Older  |  Newer >  |  Newest
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