... OK, Dick...here's how it's done, and it works for me! First, forget about roller diameter. The belt is concerned only with the surface it rides on,...
370
Dick Linder
tibia32
May 2, 2004 4:40 am
... 12- ... OK..... got it so far ... so ... That's what I was afraid you were going to say :-( ... begins ... "Been there, done that" Another approach is to...
371
colt45hal@...
harold_pollner
May 2, 2004 11:34 am
DICK: A template is a good idea, using a small arc from a large circle (how large would that circle have to be?), but since we're talking about only 1/8-inch...
372
colt45hal@...
harold_pollner
May 6, 2004 5:56 pm
Hello again, my Graaffer Friends... I posted a new picture of my Lower Roller Group, showing the new motor and power/switch connections. That's it... HAL...
373
Dick Linder
tibia32
May 14, 2004 2:03 am
Hi Everyone: Hal asks "Where is Everybody?" Don't know, maybe busy doing summer type stuff. Me? I'm slaving over an old Craftsman lathe making 3"dia x 6" long ...
374
colt45hal@...
harold_pollner
May 14, 2004 2:17 pm
Yo, Dick and Graaffers at large: I'm glad somebody re-primed the VDG Forum Pump! I'm also glad to see you making a start on your "ultimate"; VDG, Dick. ...
375
Dick Linder
tibia32
May 15, 2004 12:47 am
... see you ... I am now finishing up the hardwood roller cores and I am sure this will be the most trying part of the job since I have such a limited lathe...
376
colt45hal@...
harold_pollner
May 15, 2004 1:20 am
Hey, Dick: The BOTTOMS of my 1/4" threaded rods tapped into the PVC column walls are NINETEEN INCHES ABOVE the sphere opening. Do you really think this much...
377
Dick Linder
tibia32
May 15, 2004 9:51 pm
... walls are ... much distance ... from more ... Guess not likely. Your problem keeps popping into my mind every now and then and that was my latest...
378
colt45hal@...
harold_pollner
May 15, 2004 11:14 pm
To all my VDG Forum Friends: Apparently, I bit off more than I could chew. My dream of a Million-Volt Van de Graaff Electrostatic Generator will not be...
380
colt45hal@...
harold_pollner
May 16, 2004 2:49 pm
Hi, Chris: Since I plan to build a Wimshurst Machine, I would like to contact you via private Email to ask you many questions about your machine, so I won't be...
381
questorth
May 17, 2004 5:25 am
I'm sorry to hear that Hal, my interest in monitoring the progress of Prometheus was one of the main things that got me interested in this group. It was a...
382
colt45hal@...
harold_pollner
May 17, 2004 1:26 pm
PAUL: The blue PVC column is the most successful component in Prometheus' construction! It shows very high dielectric properties and very low leakage. (Refer...
383
Chris
ndyaglaser_c...
May 17, 2004 1:33 pm
Greetings Hal, I would be more than happy to help you out with your Wimshurst project. I'm sure that you'll find it to be a very interesting endeavor. I must...
384
Harold Pollner
harold_pollner
May 17, 2004 3:34 pm
... little more work and experimentation. Eliminating the sharp edge ... experimenting ... CHRIS: Thanks for your willingness to help in my planned Wimshurst...
385
questorth
May 18, 2004 1:55 am
I can't speak for anyone else here, but I would love to see the Wimshurst machine discussion, or any other electrostatic device discussion....
386
colt45hal@...
harold_pollner
May 18, 2004 2:50 am
Hey, Paul...yours is a broadminded attitude, that of being interested in other types of HV electrostatic machines in addition to VDG's. After all, they all ...
387
Dick Linder
tibia32
May 18, 2004 3:49 am
Hi all: I cast my vote in favor of discussing other electrostatic machines. For the past couple of years I have been collecting articles and other info on...
388
colt45hal@...
harold_pollner
May 18, 2004 3:02 pm
Howdy, Dick & other Graaffers! It's encouraging to know that you, Chris, Paul, and myself are not adverse to discussing Wimshurst machines on the Forum. Of...
389
Jonathan McCabe
zhirkhan65
May 19, 2004 4:17 pm
I'm all for discussing other electrostatic machines on the forum. I've been toying with the idea of building other types of machines as well. So what happened...
390
colt45hal@...
harold_pollner
May 19, 2004 6:24 pm
JON: I applied 16 coats of that Plasti-Dip concoction to the opening of my sphere, and not only didn't it have any effect, but it began breaking off like...
391
Harold Pollner
harold_pollner
May 21, 2004 1:44 am
Hello, Derrik: I was the first to post a message on your newly inaugurated VDG Forum on 12-3-2003, and as the Veteran Member, I would like to request on behalf...
392
Derrik Walker v2.0
lorddoomicus
May 21, 2004 3:15 am
I need a good picture for the main page. I cant seem to get any good pictures, besides, my VDG is a small one compared to some of the others, so does any one...
394
Derrik Walker v2.0
lorddoomicus
May 21, 2004 4:03 am
Since I'm mostly a lurker ( I have learned a LOT from you guys ), you can discuss any type of HV Machines you wish. Even Tesla Coils ( there are a couple of...
395
colt45hal@...
harold_pollner
May 22, 2004 12:07 am
Thanks, Derrik ! Harold...
396
Dick Linder
tibia32
May 22, 2004 1:12 am
Derrik and list: I appreciate the opportunity for members to post non-VDG discussions on this forum. I think all of us are interested in the broader subject of...
397
colt45hal@...
harold_pollner
May 24, 2004 4:42 am
CHRIS: My Wimshurst Machine will actually be a Bonetti Machine like yours, being a sectorless design. I've already cut out my two 25-inch diameter, 1/4-inch...
398
ceeawf
May 24, 2004 12:10 pm
Hi all, I'm a 4th year EandE student in scotland. My final year project is on the VDG. I have investigated various belt and roller combinations and also a...
399
Dick Linder
tibia32
May 25, 2004 3:17 am
Hi Allan: Welcome aboard. I am building my 2nd (larger) VDG. Some photographs of my first one are amongst the pictures in my PHOTOS directory. I am sure the...
400
Dick Linder
tibia32
May 25, 2004 3:18 am
Hi Allan: Welcome aboard. I am building my 2nd (larger) VDG. Some photographs of my first one are amongst the pictures in my PHOTOS directory. I am sure the...
