Nautical Research Journal 201


15. A fi le protected with a fold of heavy paper being used to fi le a notch in the edge of the bottom to match the angle of the frame.


Cover one of the narrow edges with a folded piece of paper or tape except for about an inch at one end. While sliding the protected edge of the fi le along the narrow outside of the frame, allow the unprotected part of the fi le to cut a small notch in the edge of the bottom, being careful not to force it. T e fi le will stop cutting when the notch matches the angle of the frame. Execute this procedure on both sides of each frame. (Figure 15)


Lay down the building board, resting it on the frames on the opposite side. Using spring-loaded clothespins, clamp a batten along the bottom edge of all the notches in a fair curve and mark the curve with a pencil line from bow to stern. (Figure 16) Remove the batten and carefully fi le away the wood between this line and the inside edge of the bottom. Use the notches as guides to gently alter the bevel. Use great care and check oſt en with a try batten to ensure that the bevel is accurate and fair.


Spring-loaded clothespins


Observant modelers may notice the unusual appearance of the clothespins in Figure 16. T ey are ordinary clothespins that have been disassembled and reassembled in reversed confi guration. While this may be common knowledge to many modelers, the virtues of this ordinary device cannot be ignored. Originally designed to clamp cloth to 1/4-inch round clothesline, such a pin can become much more. In its original confi guration it can clamp fl at material up to almost 1/2-inch thick. Used on thinner materials it has a working throat depth of about an inch. In reversed confi guration that is almost doubled. A pin can be drilled, sawn and fi led. It accepts common glues. Wood and metal can be added to the inside and outside. T e smallest sizes now available in craſt and toy stores are light enough to be used to clamp thread when rigging models. With the exception of a single weight used in gluing a 2-inch wide scarf,


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