. Cyclopedia of architecture, carpentry, and building; a general reference work .. . 19. Diagram Showing RelativeLengths of Run for Hips andCommon Rafters in Equal-Pitch Roofs. m m. length of the part of hip to correspond with 6 inches run of the commonrafter, and it measures 8^ inches. The same results may be obtained by the following method offiguring: As 12:17 6 12)102 8 6 6 =. In Fig. 19 is shown a 12-inch square,the diagonal m being 17 inches. Bydrawing lines from the base a 6 to cut thediagonal line, the part of the hip to corre-spond to that of the common rafter will beindicated on the
. Cyclopedia of architecture, carpentry, and building; a general reference work .. . 19. Diagram Showing RelativeLengths of Run for Hips andCommon Rafters in Equal-Pitch Roofs. m m. length of the part of hip to correspond with 6 inches run of the commonrafter, and it measures 8^ inches. The same results may be obtained by the following method offiguring: As 12:17 6 12)102 8 6 6 =. In Fig. 19 is shown a 12-inch square,the diagonal m being 17 inches. Bydrawing lines from the base a 6 to cut thediagonal line, the part of the hip to corre-spond to that of the common rafter will beindicated on the line 17. In this figureit is shown that a 6-inch run on a &, which represents ihe run of afoot of a common rafter, will have a corresponding length of 8^ Fig. 20. Method of Determining Run of Valley for Additional Run in Common Rafter. 356 THE STEEL SQUARE 15 inches run on the Hne 17, which represents the plan Kne of the hip orvalley in all equal-pitch roofs. In the front gable, Fig. 14, it is shown that the run of the commonrafter is 10 feet 4 inches. To find the length of the common rafter.
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