This electricity hand generator is an economical alternative to the Genecon brand generators. Made with a clear plastic casing, students can clearly see the motor, gears and wiring. Includes a convenient hookup wire set with crocodile clips for simple connections. There's also a mini light bulb that shows electricity generation (spare bulb included). For a cool energy transformation demonstration, link 2 hand generators with the included connecting wires. Turn one generator, and watch the other generator spin as the energy is transformed from mechanical to electrical and back to mechanical. You can also visualize energy loss in the system by comparing the revolutions of the handles. Maximum voltage 6.5 volts. Classroom user? Don't forget replacement gears!
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The product was exactly what I was expecting and love it! The purchase process was quick and easy. Definitely would recommend this company.
I've used these economical generators for some time now, in our K-5 outreach programs (very rough service!), and they perform very well. The clear body makes explanations simple, and they can be used as a stand-alone demo, with the built-in bulb, or it can be removed and connected to other devices with the included alligator wires. One tip: With repeated cranking, the screw that holds the crank knob usually comes off. To prevent this, I remove this screw, put a small drop of super glue in the screw hole, and reinsert the screw before the glue sets. Now they don't fall off! Update, 10/01/15. Sci-Supply took my suggestion and now carries the replacement gears for this generator, and at a reasonable price! I fixed several of my units that had been damaged by frenzied crankers, and now they're good as new! A great product is now even better!
