Sun Runner Stirling Engine, Solar-powered engine offers a dramatic demonstration of energy conversion, Each

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When properly aimed at the sun, the polished aluminum parabolic mirror focuses incoming solar energy on the heat cap of the engine, which is converted to rotary motion. Demonstrate this exciting method of harnessing the sun's clean and renewable energy.Motor and its parabolic mirror can be attached to any conventional camera tripod (tripod not supplied)Engine is completely assembled and ready to run Each unit is test run at the factory prior to shipping Motor runs at 2,000rmp and up Engine can also run as a horizontal engine with an alcohol burner Engine measures 8.25L x 3 in.WFlywheel: 3.25 in.Parabolic mirror: 18 in. dia.Weight: 6 lb.