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MN | Good question.......
For true dual link controls using parallel arms, look at the Crary Tile Pro (formerly Wayne's plow) a mounted plow. Looking at the plow mounted to a tractor you'll see two parallel arms and two sets of cylinders. The smaller cylinders on top are integrated into the upper A arm and control the "pitch". The lower, longer set of cylinders control elevation (up/down pressure) so you get the advantage of not only pitch control, but also up and down pressure to most accurately hold grade. So to answer your question, the upper pitch cylinders provide pitch control by effectively making the upper A arm link slightly longer or shorter, and not truly "parallel" 100 % of the time, similar to a commercial tile plow. | |
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Explain the physics of a double link tile plow to me
