How to make a cardboard airplane that flies far – To make a Sling-Shot Glider, Cut stick A (Fig. 485) of the proportions shown, and with a saw slit one end for a distance of 2 1/2 inches to receive keel B (Figs. 486 and 488).
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Excerpt from the book: “Carpentry & mechanics for boys: up-to-the-minute handicraft” by Hall, A. Neely (Albert Neely), Publication date 1918 / Publisher Boston: Lothrop, Lee & Shepard Co.
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Cut keel B out of heavy cardboard, of the dimensions given in Fig. 489, then fasten it in the slots with brads. The hook upon the bow (C, Fig. 486) is provided for the loop of the sling-shot to slip over. Make it out of a heavy hairpin. Bend the pin into a straight piece, then bend one end into a hook (Fig. 487).
Make a small hole through stick A 1 inch from the bow end, slip the straight end of the wire up through the hole, and bend it down against the top of the stick as indicated by dotted lines in Fig. 487. Bind the hook to stick A by wrapping with thread (Fig. 486).
Elevator plane D and main plane E (Fig. 485) are made of heavy cardboard.
Figures 490 and 491 show diagrams for marking them out. In mounting place, them so stick A crosses their centers, and bind each to the stick with a strong rubber-band, passed beneath the stick and looped over the plane ends (F, Figs.485 and 486).
Rest the forward edge of plane D upon hook C (Fig. 486) to give it the proper tilt.
The Sling-Shot. It is not necessary to tell how to make this of looped together rubber-bands joined to a tree-crotch, because every boy knows how.
To Launch the Sling-Shot Glider, hold the tail end of the glider with the right hand and the sling-shot with the left hand, as shown in Fig. 484, and release the glider in the same way that you shoot an arrow from a bow. Slide the planes backward and forward until you find the positions which give the model perfect balance while in flight.
The Aerial Top shown in Fig. 492 is one of the most fascinating of the simpler aerial toys. By means of its spinning cord, it can be made to rise a distance of one hundred feet or more before returning to the ground.
The top requires a stick shaft (A, Fig. 493), a hub-stick (B), for which a carpenter’s dowel-stick or a flagstaff may be used, two cardboard propeller-blades (C), and a large spool (D). With a saw, slot the ends of hub B a distance of 3/4 inch, to receive the propeller-blade (Fig. 494).
Cut the slots at an angle that will give the blades the pitch shown in Fig. 493, and be careful to get the angle of the slots alike. Bore a small hole through the hub-stick, and taper the shaft to fit snugly in this hole (Fig. 494). Whittle the opposite end of the shaft to fit loosely in the spool hole. Plug up the lower end of the spool hole.
Figure 495 shows the dimensions for the propeller-blades. Fasten the blades in the hub ends with brads.
To Spin the Top, wind the cord about its shaft, spinning-top fashion, then hold the spool and string as shown in Fig. 492, and pull the string. When the string has unwound, the top will rise in the air.