78. Empirical Formulae for Radii of Gyration of Aircraft
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Paper
Abstract
An analysis has been made of the radii of gyration about the principal axes through the center of gravity of one hundred and one airplanes of American and British design. The airplanes are divided into four main functional categories, namely, (i) Fighter, (2) Bomber, (3) Cargo and Transport, and (4) Flying Boat. The radii of gyration are divided by some characteristic length of the aircraft and these non-dimensional ratios are found to be fairly constant for rotation in pitch and yaw, but, in roll, the values extend over a wide range. Recommended mean values are given for each class of aircraft.
