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900,000 volt Van de Graaff Generator Using Cheap Parts

Step 19Time to play

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Make sure the subject, in this case me, is standing on something insulated and have them touch the sphere, then turn on the machine, hair will stand.

You will also get a great effect on a humid summer night out side in total darkness, you can view the plasma coming from you and the sphere.

Also once its running good, tape a thumb tack with the point out to the top of the sphere, watch the plasma jet from it.

take five pie pans and stack them on top of the sphere and turn it on, one by one they will float up and fly off the machine.

Hold a florecent tube in your hand near it, it will glow! (you will get a few sparks to you doing this be ready and dont drop the bulb)

I would build a discharge wand to, or stick with a metal ball on the end that's grounded to the machine. You can use a large tin foil ball and a good insulated wire.

You can take it a step further with a leyden jar like the one here:
Leyden jar of DOOM!
Just be careful with any leyden jar they let you store enough current to cause you serious harm.

Also it will hold a charge for sometime after you turn it off. So discharge it before your curious cat looks at his reflection and gets popped in the nose like mine.....

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2 comments
Nov 17, 2011. 5:39 PMchecker5 says:
out of curriosity were did you get the Nylon and Teflon rollers
Jul 29, 2009. 9:38 AMfrodobot says:
On the tips it says don't hold hands with people and touch a grounded object. Well... thats exactly what we did in school for an open night. We all stood in plastic work trays then held hands, the person on the end got charged up with the Van De Graaf Generator and then the teacher, who was grounded touched the person when they let go of the generator. The electricity went round the chain and you could feel it buzzing; the person stood next to me got the shock, thankfully.
Jul 31, 2009. 4:00 PMfrodobot says:
ye lol. we obviously did though because the shocked person jumped a foot high but not too much to seriously hurt someone

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Author:nickademuss
A+ certified with a degree in electronics engineering, and professional photographer using Nikon digital and film cameras for many years.