Ricoh Builds Cylindrical Drum Wind Turbines

Ricoh is installing an Earth-friendly billboard at it’s Time Square location. The billboard will be powered by the sun and wind. The wind trurbines are a unique design.

There are “26 blades spinning in each of the sign’s 16 turbine drums, piled in four 45-foot-high vertical stacks. When operating at their average speed of 10 miles an hour, they put out 22 kilowatts.”

The sign will reduce CO2 output by 18 tons over the next year.

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