AERONAUTICS. 31 The c. g. location determined for the actual aeroplane after exten- sive trial flights is almost identical. It is seen that for angles smaller than 4°, R passes forward of the … c. g. and for angles greater than 4°, it passes to the rear. The aeroplane is longitudinally stable in a static sense. It will be shown below that it is not always dynamically stable.
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