The Knowledge by Lewis Dartnell

Author:Lewis Dartnell
Language: eng
Format: epub
Publisher: Penguin Publishing Group
Published: 2015-06-21T16:00:00+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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