Page:Sheet Metal Drafting.djvu/156

142 line must be computed, in order to obtain the length of the blank piece of rod required to make the bail.

63. Related Mathematics on Rectangular Flaring Pans.—

Problem 33A.—How much will the flaring pan of Fig. 191 weigh if made from No. 20 U. S. S. Gage black iron (1.53 lb. per sq. ft.)? The pattern is to be regarded as a rectangle.

Problem 33B.—How much will the rod around the top edge of the pan, Figs. 189 and 190, and the rod required to make the bail, Fig. 192, weigh if ¼&Prime; rods weigh 0.1669 lb. per ft.

Problem 33C.—How much will the material required to make the complete pan cost at 7 cents per pound?