A Study of Airplane Maneuvers with Special Reference to Angular Velocities (1923)
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2 REPORT NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS. accelerometer is not in view as it was necessary to place this instrument as near to the center of gravity of the machine as possible. All of these instruments have been more or less fully des- cribed before except the angular velocity recorder.… … Fig. 1.—Installation of instruments in the cockpit. fig. 2.—Angular velocity recorder. film drum which is rotated at a speed of about 1 turn per minute by a constant speed motor (A) driving through a pair of worm and gears beneath the base. The angular velocity about anaxis in a horizontal plane…
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