Homemade Small Scale Rock Crusher FARM SHOW
The rock crusher mounts on a metal frame and is powered by a 2 hp electric motor. The motor chain-drives a shaft that in turn drives a belt that loops around the rock-crushing drum, causing it to rotate at about 60 rpm's. The drum consists of a 1-ft. length of 21-in. dia. steel pipe, with both ends welded shut with 3/8-in. thick steel plate.
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