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Category Archives: Miscellaneous HV
Fulgurite
This fulgurite is the result of lightning striking sand. It leaves a cast of fused sand with a central empty channel.
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Beginners Sparks
Here is a fast, cheap and generally safe project for beginners sparks with a minimum component count. It uses an ignition coil from a car.
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Voltmeter for HV
I needed a voltmeter for HV to be able to be seen from a distance at night. Here is my digital voltmeter with HV probe reading 13.06 kV. “Continue reading” for more details and photos. Continue reading
High Voltage Projects To Do
A nice 60 kV transformer and heavy dual variac for the kids to play with is on my list of high voltage projects to do. Here are some more of them.
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Ionic spinners
An ionic spinner works by ionised air in corona causing thrust on a wire but it needs DC to work well.
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Arc repellent screwdriver
This standard screwdriver seems to be repelling a spark despite it being metal.
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Wood burning Fractals
Wood burning fractals (around 2004)
Apply several kV to nails in moist wood and remarkable wood burning fractals appear.
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Plasma Globe
Long sparks from ignition coils plus a large mercury floodlight give interesting effects.
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Franklin Bells
A simple Franklin Bells set up using high voltage from an (old style) CRT TV screen.
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