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Rotary Spark Gap
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Model information
- Source
- Printables
- Category
- Electronics
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- Creative Commons — Attribution — Share Alike
Turn a bench top grinder in to a rotary spark gap.
Included CAD file for your editing pleasure..
Bolts Not Included (5mmx1.0)(8mmx1.25)(10x1.5)…
Hold sized for 5mm rod in spindle and 14 gauge solid (house) wire.
I used https://www.printables.com/model/663448-bolts-nuts-washers-huge-base
Still suggest you chase the threads with a tap to clean out and properly size and/or resize bolts.