... Sectorless machines are very sensitive to the humidity in the air. Make it sure that the disks are clean and dry. Use a hair drier to heat them a bit...
You can never have enough good spark pictures! I've just posted a few reasonably good spark photos from my effort, made possible by the many excellent posts...
Posted some photo's of my build on the site (Kevins 1st VDG build). The same photo's are on my site (see below) with much more detailed comments. Cheers!...
The 50 ua figure seems to have been beginners luck. Got that current consistently for a day or two, then saw it drop down to ~10ua. Thought at first there...
I just got Ford's book used - it looks quite interesting. When I looked it up on www.bookfinder it listed 2 titles : Homemade Lightning: Creative Experiments...
Hi Phil, These are two editions of similar content books with slightly different titles. The electrostatics book was the original 1st edition, published in...
Back in March I did a static electrical demonstration at my daughter's elementary school. I showed them a Wimshurst, Leyden jars, and my VDG which I built from...
I've long been interested in VDGs, Tesla coils, but haven't got around to building either...yet. Now times are better, but before I start and spend the time...
Hi Jim: I have presented my big VDG to middle school students for the past 5 years. Recently retired from that activity and donated the VDG to the local school...
YOU CAN TELL MY LACK OF EXPERIENCE HERE, BUT WHAT IF THE UNHOLED SPHERE RESTED ON THE TOP OF THE VDG COLUMN, WITH A CONNECTION TO THE CHARGING ROLLER. I AM...
... This works, but the terminal does not reach a very high voltage, due to imperfect extraction of charge from the belt, and corona losses to the air at the...
... Making big sparks is an end in itself! Buwaaahahahahah! I think a VDGs main usefulness is that it is an impressive teaching demonstration. Nothing drives...
I think the reason is this: The VDG is basically a charge pump which relies on the principle of a Faraday Cage. On a hollow metallic object all the charge...
You may be right! If I crank my little Wimshurst machine while it's sitting on my desk, about a foot from the screen of my computer CRT monitor, even a small...
And that's a LITTLE Wimshurst. Machine. Keep that up and your PC will start doing "funny" things. DL _____ From: VanDeGraaffGenerator@yahoogroups.com ...
I just uploaded some pics to my album "Todd's Pics" in response to the request for spark pics. I had a day with relatively low humidity and the longer...
Hi Again, I just noticed that the discharges are kind of faint in the new photos page but if you go into my photo album you can see more detail and they are...
... A Wimshurst machine produces quite strong electromagnetic pulses when it sparks. An oscilloscope ten meters away can easily register a burst of many volts...
... The oddest example of interference I've experienced was with a digital clock/thermometer. When I run my Van de Graaff downstairs in the kitchen, the...
In a 3 wire 220/110 volt household electrical system typically the neutral (white) wire is connected to the ground lug (green wire) in the circuit breaker...
... This is more-or-less the way that radios worked, Once Upon a Time : Spark-Gap Transmitter From Wikipedia, the free encyclopedia http://tinyurl.com/rdgm2x ...
A *Five gallon *leyden jar? That should stop a pacemaker at a hundred paces! ... I'll have to build one! Dan Petersen ... A Five gallon leyden jar? That should...
Dan: In my picture collection you can see the "bucket" and all the component parts. See one of my earlier posts (last few weeks) that describes how the bucket...
Most impressive photos! No wonder you stated "Not good" when someone got across it. A quick mental calculation suffices to remind one of the amount of energy...
... Of course, but I was puzzled why the clock, out of all the appliances and devices in the house, was the only thing affected. I use rabbit ear antennas on...
After tinkering with components for a year, I finally lashed together my first Tesla coil yesterday. Inspired by a design I saw in the Lindsay Pubs. reprint...
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