Dutch architects Arno Geesink and Rick Tegelaar developed a flat-pack wind-powered Watertower for Roofgarden Arnhem. Inspired by the famous Shukhov tower, the lightweight 7.5-meter-tall, 1,000-liter-capacity structure can be assembled by hand and has sufficient pressure to power a sprinkler. Wind power produced by the tower’s windmill pumps the filtered rainwater up into the holding well, where it builds up pressure. Surplus energy is supplied back to the grid. The versatile Watertower was recently used to fill up wood-fired hot tubs at the Dutch music festival Into the Great Wide Open.
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