Energy wise, everything boils down to watts. It is impossible to get a larger return of watts than what is put in. There is always a certain percentage of loss in the conversion of one type of energy to another. Friction and heat are the factors that dictate the amount of loss. A transformer converts some of it's energy to heat. An engine converts some of it's energy to heat from combustion and some of it's energy is converted to heat from friction. There is no such thing as 100% efficient. There is always a byproduct of some kind siphoning off a little of the input. Can't produce 2 watts from 1 watt.
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Today's Featured Article - Tractor Hydraulics - The Basics - by Curtis Von Fange. Hydraulics was one of the greatest inventions for helping man compound the work he can do. It’s amazing how a little floor jack can lift tons and tons of weight with just the flick of a handle. What’s even more amazing is that all the principals of hydraulic theory can be wrapped up in such a small package. This same package applies to any hydraulic system from the largest bulldozer to the oldest and smallest tractor. This short series will take a look at the basic layout of a simple hydraul
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