Posted by Dean on September 25, 2018 at 09:07:56 from (68.39.250.30):
Folks, the railroad buffs among you will know that a late 20 car passenger train is a heavy consist. Any such train would have been double-headed back in the day, or would have been given 3 EMD E units.
The Class J 611 in the video is one of the very last steam locomotives built. She was very modern when built in 1950 or so. She probably develops around 5,500 drawbar HP.
She has a single, double-acting cylinder on each side. The cylinders are 180 degrees out of phase. In effect, she is a four cylinder, single expansion engine. Watch the side arms and count the cadence.
Unlike an internal combustion engine, a reciprocating steam engine develops maximum torque at stall.
Watch how the 611 walks away with this heavy consist.
Note: Due credit to the engineer for preventing wheel slip. Believe me, there is far more torque available than adhesion allows.
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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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