Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 585
558 PLANOMETER, OR SURFACE-PLATE. Power required for Wood-Planers.—In planing and moulding machines which are driven at highspeeds, a large proportion of the total power is absorbed in driving the machine itself. The formula, 3428. … Naccording to Hartig, is (empty), P = , in which P represents the total power absorbed, and N the sum of the turns per minute made by the several shafts. The net power required for moulding and shaping wood is given by the following formulae: .022G8P=.0566 + —-—•h Red Beech, using Cutters. .00731 P…
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