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The Airplane and Its Evolution
Designing and Building a Demonstration Model
How to Adjust and Flt the Bird Glider
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adjustment aerodynamic ailerons airplane angle angle of attack arrangement types balance basic biplane bird glider blade block bomber Canard cement cent center of gravity center of lift center of pressure climb comparatively construction craft Curtiss Curtiss P-40 curved dihedral dive drag edge efficiency engine fighter flying forward frame front wing full-scale fuselage model gas model greater heavy high-wing increased landing gear launching leading-edge lifting surfaces located longitudinal stability low-wing mid-wing model builders monoplane motor mounted normal flight parasol parasol wing performance pins Piper Cub Plans Plate position propeller proportions rear wing rearward result ribs rubber rubber-powered rudder shown in Fig side silhouette slightly slot span sportplane stick model structure struts tail surfaces tail-forward tail-rearward tailless model tailless planes tandem test model thrust line tractor trailing-edge twin-propeller type of plane upper usually vertical wing area wing chord wing tips wingspan wire wood