World's Simplest Generator
2011 May 16
Constructed the world's simplest generator, as per the instructions on William Beaty's site.
Magnet wire was hard to come by, so I just ordered a solenoid, which is a device that produces a magnetic field when an electric current is passed through it. I pried open the solenoid to find hundreds upon hundreds of revolutions of thin magnet wire.
I inevitably wound the wire too tight upon the first attempt, which constricted the movement of the magnets.
I was much more meticulous in making the box a bit wider for the magnets to have some leeway the second time around. I also wound the magnet wire loosely around the box.
The cost breakdown follows:
Source | Quantity | Price ($) | |
---|---|---|---|
Bulb (25 mA) | Radio Shack | 1 | 1.49 |
Cardboard | UPS packaging | 1 | - |
Magnets | Radio Shack | 4 | 7.99 |
Nail | Local hardware store | 1 | 0.20 |
Solanoid | Electronic Goldmine | 1 | 2.29 |
Bulb (25 mA) | Radio Shack | 1 | 1.49 |
Grand Total | 13.46 |
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