Woodworking for beginners; a manual for amateurs . 446 and447. By either method ofconstruction the trunk con-sists of two upright posts,or headledges, cut withshoulders at the lower end, and sides of board screwed to these posts. A slot is sawed through the bottom of the boat of sufficient width and length to give the centre-board free passage—that is, of the dimensions of the opening at the bottom of the trunk. To cut this slot several holes can be bored close together until an opening is made sufficiently large to start the saw. By the arrangement shown in Fig. 446, a plank is taken and a sl
Woodworking for beginners; a manual for amateurs . 446 and447. By either method ofconstruction the trunk con-sists of two upright posts,or headledges, cut withshoulders at the lower end, and sides of board screwed to these posts. A slot is sawed through the bottom of the boat of sufficient width and length to give the centre-board free passage—that is, of the dimensions of the opening at the bottom of the trunk. To cut this slot several holes can be bored close together until an opening is made sufficiently large to start the saw. By the arrangement shown in Fig. 446, a plank is taken and a slot is cut in it enough longer than that in the bottom of the boat to include the lower ends of the headledges, which should fit snugly. The sides of the trunk are screwed to this plank from underneath, and the plank is in turn screwed to the bottom of the boat. The headledges can be additionally fastened from the edge of the plank, horizontally. Unless the bottom of the boat is straight, the plank must be accurately fitted to the curve on the. Fig. 447. Boat-Building for Beginners 331 under side,—not an easy task (see Scribing and Pari?tg). All thejoints should be laid in thick white-lead paint, and at the bottomflannel can be laid in the seam, with lead, or caulking can be re-sorted to. By the method shown in Fig. 447, the headledges and sidesare fitted to a board on the bottom, or to the keelson, and, afterbeing put in place, strips of plank are fitted lengthways on eachside at the bottom and bolted or screwed to the bottom and tothe sides of the trunk. The lower edges of these strips must befitted to the curve of the bottom and the whole made tight, asjust shown. Much care must be taken with this work to maketight joints. The inside of the trunk should be painted beforeputting together, and holes be bored carefully for all the screws(see Boring and Screws). The centre-board itself can be of wood or of galvanized plateiron and is pivoted at the forward lower corner, and c
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