��Popular Science Monthly
��Carefully find the exact center of the' bridle loop and tie a loop knot there. This settles for all time the point of attachment of the flying string. This kite flies higher than the Malay kite, when bridled as described. By moving the bridle back carefully, a point can be found where the kite will fly low and pull like a mule.
The next t>pe is the square box. It is shown in Fig. 21.
The directions for the Blue Hill box practically co\-er this, except the bracing. For this case place the hardwood strip vertically, glue and brace as before, with the differences shown. Cut the tvs'o holes side by side in the hardwood strip. Glue the spreaders to the side ribs, cut the shoulder on them at the right length, and spring into the holes. Bridle with a single string tied at the f)oint where the inner edge of the cam- bric of one end crosses one stick. When knocked down this kite will lie flat.
The Malay Box Combination This kite will add a large spread of
stick, long. Notch
��sail to the kite de- scribed in the fore- going paragraph, by the addition of one Make this stick 8 ft. 4 ins. Make it i in. wide by }•> '"• thick, the ends for the bowstring as
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��described for the Malay. When put together it appears as shown in Fig. 23. This is exactly like two halves of a Malay kite. Fig. 24.
Make the bowstring stick so it can be dismounted, cis described for the Malay. This kite is a beautiful flyer, and always attracts much attention when in the air. Three of these this size are all that can be safely handled at one time. This kite will knock down flat by removing the bowstring and bow. This kite, as described above has about 2,2 ft. of sail.
The Tetrahedral Cell
This kite is the invention of Professor Alexander Graham Bell, and is a scien- tific wonder. To begin with, a tetra- hedron is a solid geometrical figure made by four surfaces, each of which is an equilateral triangle, all of these triangles being of equal size. A tetra- hedral cell kite cuts out two of these triangles. The remaining triangles are the flying planes. In its simplest form
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