All you engineering geeks as always keep forgetting one factor and that is friction when engaging a load. Whether pulling a plow or a 53" semi trailer that power still has to be applied in such a manner as to move the load so ballast or down force has to be added to achieve full effiency 10% slippage is considered max or about as good as it gets without breaking parts and then there is a compaction issue. That is why min till and no till has become the big thing in agriculture if you don"t think so pick a real nice July afternoon and get someone to take you up in a small plane and look at someone who does full till then fly over someone who has been doing no-till min-till for at least ten years. The results are staggering you can see every wheel track on full till it"s a real eye opener. Don"t get me wrong I love flipping dirt but times are a changing.
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Today's Featured Article - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
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