The apprentice, or First book for mechanics, machinists, and engineers (1860)
Byrne, Oliver · New York, P. J. Cozans · leaf 50
evolution, = ^ X GO X 3 X 3.1416, W X -^ X 3.1>116 = -J- X 60 X 3 X 3.1416. .-. W — 2T0 hs. = W X i^iT X 3.1416 ; PRACTICAL MECHANICS. 45 OF COGGED OR TOOTHED WHEELS. Let D be a cogged wheel turning upon the same axis asthe wheel C ; Q another cogged wheel, acted upon by theformer and turning… … but as every tooth in the cog-wheel D is being turned round,a corresponding tooth in the cog-wheel Q will be turnedin the contrary direction, and thus the cord L W will becoiled up on the axle L, and the weight W will be raised. Ques. 20. Let P = 120 lbs., the diameter of the wheelC = 3 feet, the…
Mechanics, Applied
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