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Manure prop keeps lagoon liquid
A home-built manure prop keeps Bob Hoffman's lagoon liquified on his farm near Merrill, Iowa.
The 22-ft, long prop shaft mounts on a length of 3-in. sq. tubing riding on a chassis fitted with two small steel wheels. A pto shaft from an old Case combine drives the prop shaft which is made out of 1 1/4-in. dia. steel pipe mounted on four bearings.
Hoffman fashioned the prop itself out of three pieces of 10-in. wide 3/8-in. thick plate steel. The prop is 22 in. in dia. Requires at least a 60 hp. tractor with a 540 pto.
Contact: FARM SHOW Followup, Bob Hoffman, Rt. 1, Box 73, Merrill, Iowa 51038 (ph 712 938-2593).

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1991 - Volume #15, Issue #2