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Crank arm, knob, and adjustable end bearing; 3.75" l. 1/4" drill rod shaft and bronze bearings by machinist friend Patrick Marooney, Springfield, Oregon. I forged the crank arm from 1/4" sq. CRS; gun blue finish. | |
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Crank arm, knob, and adjustable end bearing; 3.75" l. 1/4" drill rod shaft and bronze bearings by machinist friend Patrick Marooney, Springfield, Oregon. I forged the crank arm from 1/4" sq. CRS; gun blue finish. | |
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