Barrows, F. W. (Frank Wilson), b. 1853 · New York, N.W. Henley Pub. Co. · leaf 283
ve of flanges . . .= 72^^ Weight of pipe = 670.90 670.90 Total weight required = .... 893.13 Or, say, 900 lbs.Note:—If the weight desired is of some other metal than cast-iron,use the factors given in Table I, to produce the desired result. 282 PATTERNMAKING, To find the weight of curved cast-iron… … Fig. 140. the inside diameter, and the constant, .64, while not givingexact results, is selected because it divides readily by 2, 4,8, and 16, thus giving the usual fractions of an inch withwhich the patternmaker has to deal. This formula lessens the labor in figuring weights in thisway: If you…
Patternmaking
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.