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Electric Hacksaw Made Out Of An Old Pump Jack
Linden Alwardt, Altamont, Ill.: Linden gets a lot of use out of an electric hacksaw that he made out of an old pump jack. The pump jack had been used for years on the family farm. He started by building an elongated metal platform on legs about 12 in. high, then mounted the pump jack at one end in its normal position for operating with vertical reciprocation, so the gears would run in oil. To switch from vertical reciprocation to horizontal he remounted the arms of the pump jack at right angles.
On the near side of the mechanism he built an elongated guide for the hacksaw out of a length of box steel. It allows a square rod to telescope forward and backward. Originally, the pump jack was powered by a pulley that was belt-driven off a gas engine. He replaced it with grooved pulleys and a V-belt powered by an electric motor. Now it's a valued tool in his shop. He uses it to cut large pieces of steel for various equipment and appliances.

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2007 - Volume #31, Issue #4