I have a 50Kv electrostatic voltmeter lying about with nothing to do. It looks like this:
It has an awesome 4-5 inch long insulator on the back for the input connection. Inside its basically a balance scale that reads the force of attraction between two plates and is mostly empty space inside to air gap the workings from the case. I will have to post a better picture that really shows the size of it. I bought it just because it looks awesome, but I really want to actually measure some serious KVs! So…
I want to build a Wimhurst machine because it also looks cool and it makes huge arcs when you turn the crank.
Steampunk Workshop has a nice how-to on building your own Wimhurst influence machine if you care to give it a try!
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