|MadSci Network: Physics|
Hello there, My name is Peter Irwin, and I have a question or two for you. I am trying to build a Wimshurst Machine for creating sparks. The wimhurst machine was a popular device a long time ago until the van de graf generator came along.The plans are at http:// www.geocities.com/ResearchTriangle/Lab/1135/wimhurst.htmThe plans aren't very good at actually explaining how a wimhurst machine works, and I haven't been able to find books on it.At first I thought a wimhurst machine just uses friction and static electricity to produce sparks. But it actually uses induction somehow. 1. How does induction work?2. How is it used in a Wimshurst machine?3. I am using vinyl records for spinning discs. How conductive is vinyl, and how can I reduce its conductivity?4. Same question as above. I am using wood for pulleys.If you could help me with these questions, I would be very grateful.Thanks, Pete.
Re: Building a Wimshurst Machine
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