Fluid Power Journal

Air Teaser

By Ernie Parker

AI, AJPP, AJPPCC, S, MT, MM, MIH, MIP, MMH


 

Problem: Sizing a Two-Stage Air Compressor

Given: A two-stage air compressor with an intercooler System Pressure: 120 PSIG. Each stage raises the pressure 60 PSI. Initial air temperature: 70° F …

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 …

Problem: Cascading Cylinders

What is the maximum stroke if the blind end of each cylinder is connected to the rod of the previous cylinder? How many different discrete positions are there? …

Problem: Total Energy Needed

What is the total energy in Joules needed to be dissipated by a shock absorber that is positioned under a hoist that releases a free-falling load of 100 kg, 1 …

Problem: Calculate Cylinder Size

Winner of this Air Teaser: Ali Dashti, Applied Industrial Technologies, Inc., San Marcos, CA Deadline past. Not available for submissions. This teaser is …

Problem: Calculate SCFM

Calculate SCFM: 50 Pound Spring 2″ Diameter Cylinder 6″ Stroke 1 Second to Extend 1 Second to Retract No Dwell Time Hose is 3/8″ diameter and …

Problem: Bucket Cylinders

This is a sketch of a sandbox loader and bucket. Calculate the vertical distance that the bucket cylinders (2) should be mounted above the pivot points to …

Problem: Car Tires

How many car tires of the following approximate size can be filled with one tank of nitrogen with the following given specs? Tank Size: 200 scf (Standard Cubic …

Problem: How Many SCFM?

If the available pressure is 100 psig, how many SCFM would be saved by using an air regulator as shown in the circuit? Also what is the cost savings per year …

Problem: Extending and Retracting Forces

What are the extending and retracting forces? Deadline past. Not available for submissions. Winner: John Krebsbach, Fluid Power Engineering, Inc., Milan, IL …