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Low Cost Drill Marker
For just $10, Canadian farmer David Serediak of Andrew, Alb., built a neck-saving drill marker that mounts on the front of his tractor.
The 12-ft. long marker, same size as his drill, mounts on the loader arms and drags a chain along the last row of the previous drill pass so he doesn't have to look back to know that he's on track.
The marker consists of three plastic tubing sections clamped together. They fit through the pin openings for the hydraulic cylinders on the loader arms. Rubber hoses, 39-in. long, hang from each end of the pipe and are connected with an elbow. At the end of each hose, Serediak hung a section of chain.
He notes that the marker could also be fitted onto tractors without loaders, or with the bucket left on.

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1985 - Volume #9, Issue #6