The Knowledge: How to Rebuild Our World From Scratch by Lewis Dartnell

Author:Lewis Dartnell [Dartnell, Lewis]
Language: eng
Format: epub, mobi, azw3, pdf
Tags: Science & Mathematics, Science & Math, Technology
ISBN: 9781594205231
Amazon: 159420523X
Publisher: Penguin Press HC, The
Published: 2014-04-17T00:00:00+00:00

GENERATION AND DISTRIBUTION

We’ve seen how a generator works to convert movement into electricity, but how do you create that rotation in the first place? The immediate solution is that you simply install the generator in a rudimentary windmill or waterwheel you’ve constructed. Generators work best spun at many hundreds of revolutions per minute, so you’ll need a system of gears, or pulleys and belts, to multiply up the slow but high-torque rotation of the drive shaft. A rebooting civilization might therefore conceivably resemble a steampunk mishmash of incongruous technologies, with traditional-looking four-sail windmills or waterwheels harnessing the natural forces not to grind grain into flour or drive trip-hammers, but to generate electricity to feed into local power grids.

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