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):


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


What other useful designs have you found?

Luke Iseman

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

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