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 808
r minute.. 100 200 300 400 500 600 700 800 900 1000 1100 1200Port area = piston area x 02 .04 .06 .07 .09 .1 .12 .14 .15 .17 .19 .2 Thus, for an engine with a cvlinder 40 in. in diameter and 4 ft. stroke,-making 50 revolutions a minute,the port area should not be less than 1256.6 x 0 01 = 88 sq.… … 776 SLIDE-VALVE. port so that the bridge between steam- and exhaust-ports should be wide enough to prevent a leakintoexhaust due to over-travel. The following rules are given by Auchincloss:Minimum width of bridge = width of opening + ± in. - width of steam-port. tFciVtl of Y&lvC Width of…
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