What's the purpose of this exhibition? One might as well try pulling a D2 Caterpillar with an Indy race car. It's a demonstration of traction, and heavier will always win, regardless of power.
It's true that the steam engine has an edge at very low speed because that's where it has maximum torque. But I'm sure that drag tractor is capable of putting out much more torque to its wheels than the steamer, it just can't hold it.
You'll notice that the drag tractor is careful to keep his wheels spinning. If he just stopped and held his brakes, the engine would have a much harder time pulling him.
The comparison made between this demononstration and a aircraft carrier catapult is silly. The catapult can accelerate an aircraft weighing several tons from zero to 100 mph in only a second or two. That's serious horsepower. The steam engine, in comparison, is putting out only a few horsepower as it drags the tractor backwards.
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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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