Fluid Power Journal

Problem: Car Hoist

How many SCF will it take to fully extend the cylinder if the air/oil tank is full of oil when starting? How many SCF will it take to fully extend the cylinder if the air/oil tank is only 1/2 full of oil when starting? The supply tank has 1-1/2 times the volume of the cylinder. Cylinder has a 10″ bore and an 8′ stroke. Working pressure is 100 PSI.

Think you know the answer? Submit by e-mail to kpollander@ifps.org

By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH

This teaser is printed in the Fluid Power Journal. Those who submit the correct answer before the deadline will have their names printed in the Society Page newsletter and in the Fluid Power Journal. The winners will also be entered into a drawing for a special gift.

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