Page:Popular Science Monthly Volume 64.djvu/137

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133
TETRAHEDRAL KITES.
 

PSM V64 D137 Kite built of twelve triangular cells.png

Fig. 1. Kite built of Twelve Triangular Cells. It is formed of two triangular kites, one inside the other.

 
 

PSM V64 D137 Giant kite built of triangular cells.png

Fig. 2. Giant Kite built of Triangular Cells. The superstructure consists of seventy kites, like the one in Fig. 1, tied together at the corners and arranged in two sets of thirty-five kites each. Each of these kites was tested individually before being combined and found to fly well by itself. There are a total of 840 triangular cells in the giant kite. The total length of the kite is 29.5 feet. The picture shows the kite rising into the air.