electric hand crank generator
thingiverse
This is just a sample, so when you build your own alternator (a brand-new creation), take care to get the ratio of pinion gears right. As a creator, I suggest using an old car alternator. Spare parts for this model: Bearings (internal, external, height): * 12mm, 32mm, 10mm x2 * 8mm, 16mm, 4mm x2 Bolts and nuts Engine size: 35x56 The amperage is 0.1A Using four diodes, a capacitor, a stabilizer (5V), and a USB connector Used parts: * Pulleys: http://www.thingiverse.com/thing:16627 * Belts: http://www.thingiverse.com/thing:2016747 * Boxes: http://www.thingiverse.com/thing:155001 Overview and Background
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