Monday, July 16, 2018

Tuesday Torque: 5 HP Bessemer Oilfield Engine

This size is exceedingly rare.  This one sat outdoors for many years and the iron shows the effects of weather.  It sure runs sweet now.  This is a two-stroke engine, with the back side of the piston pumping in fuel and air, then pushing the mix to the top side of the piston.  The piston rod is connected to a crosshead; just like on the steam engines of the day.  The connecting rod connects from the crosshead to the crankshaft.

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