field at Cicero, Chicago, where it flew 16 feet beyond the fence of the 160 acre field. The model weighs but 5½ ounces, has 9-inch propellers of 27 inch pitch, and is in every essential a speed machine.
The first part of the model to make is the triangular
Fuselage, or motor base. This consists of two side sticks, splines, or spars (A, Fig. 35) of straight-grained white pine cut to the dimensions marked upon the drawing, with their bow ends beveled off for a distance of 1¼ inches, glued together, and bound with thread. The stern ends have a spread of 8 inches,
Fig. 34.—Launching a Model Acroplane.
and are braced at that distance by the separator B (Fig. 35). This separator is fastened flatwise between sticks A, and its edges are reduced as shown in the small section drawing of Fig. 37 so they will offer less resistance to the air.
