We tested the Abrams tank back in the 1970's at Aberdeen Proving Ground. Their were two pilot models for testing one made by General Motors and the other built by Chrysler with the turbine engine. We used this vehicle for drawbar pull plus we had the M88 Recovery Vehicle gas version connected to the last trailer in reverse when the M1A1 was in the lower gears. Both vehicles pulled over 100k pounds of drawbar pull. Chrysler hired a retired bird colonel to get them to go with the Chrysler version. We had to have a heat deflector made so that hot exhaust wouldn't burn the paint off the dynamometer. This was one of the largest projects I worked on in 41 years. Hal
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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