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The Airplane and Its Evolution
Designing and Building a Demonstration Model
How to Adjust and Fly 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 Fairchild 22 fighter flying forward frame front wing full-scale fuselage model gas model greater heavy high-wing horizontal increased landing gear launching leading-edge lifting surfaces located longitudinal stability low-wing mid-wing monoplane motor mounted normal flight nose 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 test model thrust line tractor trailing-edge type of plane upper usually vertical weight wing area wing chord wing tips wingspan wire wood