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قراءة كتاب Manual Training Toys for the Boy's Workshop
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SPOOL DART—Plate 1.
An easier dart to throw can be made of a spool as shown on Plate 1. Three feathers which curve the same way will give the dart a whirling motion when it is thrown.
Make a stick about 7" long to fit tightly into the hole of a spool about 1" in diameter at its end. (See Dowels, page 11, also Glue, page 10.) A stick like this can be forced into a hole quite far by screwing it around, but if it is driven much with a hammer the spool will split easily. After the stick is glued into the spool, hold the spool upright on the jaws of the vise, and squeeze the stick extending below; then with the back-saw make four slanting cuts to sharpen the spool. File a 2-1/4" nail square off, 1" long; drive it backwards into a suitable hole drilled for it in the center of the spool; and sharpen it well with a file. One-half inch from the other end of the spool saw the stick off, and drill three holes in the spool end, into which glue three feathers about 4" long.
DART FOR WHIP-BOW—Plate 1.
This dart is best made of a shingle. Lacking that, plane a 1/2" board thin[1] at one end to 1/8". Draw the center line lengthwise and lay out the shape of the dart with the broad part at the thin end. Saw crosswise from each edge of the shingle to the place where the curve begins, then lengthwise to that point. Holding the thin end in the vise, pare the curves with a knife, spokeshave, or draw-knife. Make the point at each end with a plane. To plane to slanting lines such as these, it is very important to place the work in the vise at such a slant that the line is parallel with the top of the bench and quite close to the jaws of the vise. Find the point where the dart balances by testing it on the finger, and make the little notch for the string, using a back-saw first, then a knife.
A whip-bow consists of a string 20" long tied to the end of a stick 20" long. A knot is tied at the free end of the string. To throw the dart, catch the string in the notch, hold the wide end of the dart in the left hand and the stick in the right, throw the right hand forward, and let the dart fly from the string.