Energy & Sustainability
DIY solar trackers

Here’s a great design for a solar tracker, using bicycle wheels and a linear actuator (salvageable from an old satellite dish):

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Even simpler, this tracker uses an old clock to drive a gear for the tracker:

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What other useful designs have you found?

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Luke Iseman

Luke Iseman makes stuff, some of which works. He invites you to drive a bike for a living (dirtnailpedicab.com), stop killing your garden (growerbot.com), and live in an off-grid shipping container (boxouse.com).

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