Fluid Power Journal

Problem: Find the Cylinder Rod

By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPE During the school year of 1975-1976 and with the help of my students, we built …

Calculating with Car Specs

By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPE Calculate the scfm and nlpm needed from the turbo charger for a car with the …

Blocked Ports and Failing Piston Seals

By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPE You may have seen the brain teaser in your lifetime in which a hydraulic …

Comparing an Electrical Circuit to a Pneumatic Circuit

By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH Many times, when we try to come up with a pneumatic circuit to do a particular job, …

Starting an Air Compressor Under Pressure

By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH Many smaller inexpensive air compressors have a hard time starting up under pressure, …

Building a Windmill

By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH If one were to build a 10’ diameter windmill connected to an air compressor with a …

Decreasing Downstream Pressure To Increase The Flow

By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH In the new International Fluid Power Society’s Reference Handbook and the Pneumatic …

Problem: Calculating The Effect Of High Wind Force

There have been some very strong winds in the eastern United States with upwards of 70 to 90 MPH. How much force and horsepower would the wind produce pushing …

Problem: Compressor Shuts Off When Pressure Rises

When troubleshooting for an air leak, a check was added between the separator and the receiver. Then every 10 minutes the compressor would try to start and …

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 …

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