For inventors & innovators, this book contains everything needed to answer detailed preliminary questions on the main aspects of human power and its application on land, air and sea. The only drawback was that the section on flying was a little short and the section on cycling a little long, but the cycling stats fed into the flying machines anyway so no real loss. Plenty of charts, stats, references on air and water resistance, human horsepower, peak performance issues, actual test results. Very impressive collection of information, well worth the price.
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