48 Saw-chops/clamps are used for holding saws during sharpening. Figure 48:1 shows saw-chops for handsaws and (48:2) for circular saws. Figure 48:3 shows a more convenient type for handsaws of all sizes, requiring no bolt. The stand is made up of two pieces of 2 in (50 mm) by 4 in (100 mm) deal, 3 ft 7in high (1092 mm), with 1 in (25 mm) by 2 in (50 mm) deal cross-braces 18 in (457 mm) long nailed across either side. Taper notches are cut in the uprights and the loose chops are also taper housed to hold them in position and to grip the saw firmly as they are tapped down. All three types are usually made by the craftsman himself.
A flexible blade is necessary for contour cutting, and for fairly wide curves the clumsy but efficient wooden bow- or turning-saw (Figure 49:1) is suitable. The detachable blade is tensioned by a length of twisted blind-cord or a wire stretcher. For smaller curves the 6 in
49 Handsaws: miscellaneous
49 Handsaws: miscellaneous
(152 mm) metal frame scroll- or coping-saw (49:5) is useful, and both bow- and scroll-saw can be used for interior openings as the handles fully rotate, thus the blades can be detached, threaded through a pre-bored hole with the teeth pointing away from the handle, and turned to the correct angle for the cut. For openings further in than the throat of the saw will allow other means must be adopted, either by drilling a series of holes and chopping out with chisel and gouge, or if the curve is fairly easy cutting with a 12 in (304 mm) keyhole- or pad-saw (49:6) which is in effect a very narrow cross-cut-blade held by retaining screws in a slotted bradawl-type handle. Large varieties are the compass-saw with fixed handsaw-type open handle (49:3) or a nest of saws, table, compass and keyhole, with detachable handle (49:4). For very fine cutting in thin material the hobbyist's fret-saw/jig-saw (49:2) with a throat of 20 in (508 mm) and a range of wood- and metal-piercing saws is invaluable. It can be used to cut with a forward movement with the teeth pointing upwards as with the bow-saw, or downwards against a cutting-table with the teeth pointing towards the handle.
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