Cob flywheel

Bikes Energy & Sustainability Fun & Games
Cob flywheel

From the comments:

Our friend Rachel just took these pictures last week near Oaxaca (Mexico), and she shared them with us while staying at the Eco Village on her way to Portland. this “bici-maquina” (bike-machine), as they are called in Mexico, is used to power a water pump. i love the technological contrast, claypunkish.

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