. Comparative animal physiology. Physiology, Comparative; Physiology, Comparative. Mechano- and Equilihrhun-Reception 525 the haltere oscillates about axis AA, the line BB will tend to move into the position yy, due to a torcjue which develops as a result of the displaced center of gravity. This torque is discontinuous, fluctuating at twice the frequency of the haltere oscillation, but the damping of the fluid contents averages out these oscillations. If the haltere oscillations end abruptly the backward movement of the haltere can be clearly seen: it has a delay of about Vz sec. Thus, during
. Comparative animal physiology. Physiology, Comparative; Physiology, Comparative. Mechano- and Equilihrhun-Reception 525 the haltere oscillates about axis AA, the line BB will tend to move into the position yy, due to a torcjue which develops as a result of the displaced center of gravity. This torque is discontinuous, fluctuating at twice the frequency of the haltere oscillation, but the damping of the fluid contents averages out these oscillations. If the haltere oscillations end abruptly the backward movement of the haltere can be clearly seen: it has a delay of about Vz sec. Thus, during vertical oscillation of the haltere, forces exist which move the haltere forward. It is this movement of the haltere that is significant in orientation, for it is affected by movements of the organism about its transverse and longitudinal axes (pitch and roll) and its vertical axis (yaw).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Prosser, C. Ladd (Clifford Ladd), 1907-; Bishop, David W. Philadelphia, Saunders
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