Figure 229.—Boring holes through flanges of keel and stern piece showing sections of keel and one side of stern piece:

a, keel (1) showing flanges (2). The outer side surfaces of the keel (3) are fairly wide as they include the outer sides of the flanges. A point is selected somewhere about the middle of the outer surface and a hole (4) bored through to the angle made by the inner side of the flange with the upper surface (5) of the keel. b, The stern piece (6) placed in position, with its flange (7) fitting against the keel flange (2) and bottom curve of keel continuous with outer surface of stern piece. A leaflet midrib (8) dipped in charcoal mixture is pushed through the keel flange hole from the inside and marks a spot on the lower surface of the stern piece. The stern piece is marked through all holes on both sides. c, Section lower end of one side stern piece. A hole (4) is bored through from the marked spot to the angle made by the flange (7) with the inner surface of the stern piece. Holes are bored through all the spots marked on the stern piece. d, Sections through keel (1) and stern piece (6) fitted after boring of holes, showing how the holes coincide, allowing the braid lashing (9) to pass around the keel flange (2) and the stern piece flange (7).