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Solar Powered Coffee Roaster

by Justin Thomas, Virginia on 11.29.05
Science & Technology (alternative energy)

Helios2.jpg Well we've covered news of a biodiesel-powered coffee roaster previously. But now there's word that two brothers — Mike and David Hartkop — have created a solar powered coffee roaster. Their solar roaster is a parabolic mirror array that focuses on a roasting drum and heats it to 600° F. The drum's motors are also solar powered. The roaster can crank out 7 pounds of coffee per hour when the sun is a shinin'. Solar Roast :: Solar Roast via Unplugged Living

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