Average Reviews:
(More customer reviews)There should be a choice "zero stars." I expected this to be a simple book. What I did not expect is many factual errors. A "D" size flashlight battery is not 9 volts, but rather 1.5 volts just like an "AAA" cell. Engine capacity is not "the volume of the piston chambers." A conceptual method to determine the engine capacity is to remove a spark plug, rotate the engine to bottom dead center on that cylinder, fill the cylinder with water, turn the engine to top dead center and measure the volume of water that came out of the spark plug hole. Multiply this volume by the number of cylinders and you have the engine capacity. Of course you wouldn't actually want to do this procedure, but this is an easily understood mind experiment that correctly gets the concept of displacement across to the reader. Power is not "potential motion" but rather a measure of how fast work is performed. A tappet is not a lever. There is no excuse for these errors; they are not the result of simplification.
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