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 - A Farmall Story - by Ed Meadors. The year was 1978. Our young family had recently moved to rural Chesapeake, Virginia to a plot of land which would finally allow us to realize our dreams of a huge garden, critters and more lawn and pasture than we would ever use! We needed a TRACTOR; not a riding mower or tractor wannabe, but a real TRACTOR. The answer to our needs materialized in the form of a '44 Farmall A, complete with cultivators, discs, single plow, a 5ft.Woods belly mower and one, mounted spare 9.00x24 rear wheel.
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