Posted by Showcrop on November 30, 2009 at 06:33:44 from (75.67.231.80):
In Reply to: OT. Engineering Problem posted by Lost Password on November 30, 2009 at 03:28:14:
t=r x F The horse pulls with Force multiplied by the radial distance from the pivot point of the evener. Resulting in torque around the pivot point. So you "even up" unequal horses to get the equal pull by giving one some leverage against the other. But, if they are equal pullers, yes, the one with the longer side would then pull ahead of the other. That is unless the lazy yet strong horse sees the other pulling ahead and pulls harder to stay up. This is something that someone experienced in horse pulling would sometimes do to maximize his team.
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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