Posted by Janicholson on January 09, 2022 at 07:51:48 from (24.240.46.228):
In Reply to: What limits maximum RPM posted by CONSERVATIONMAN on January 08, 2022 at 17:23:45:
Knowledge was based less on science, and more on keeping it operational. With a power band from 800 RPM to 1600 RPM and 3 or 4 gears the tractor would work. With a powerband of 2500 to 2800 many more transmission gears are needed to keep Horse power on the curve. But efficiency improves with RPM, short stroke better cylinder pumping (multi valve Pent Roof combustion chambers, Fuel injection and compression ratio). If this were not true, modern tractors would have 3 gears and non-balanced long stroke 2 valve engines, and they don't. Jim
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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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