The experimental determination of the moments of inertia of airplanes (1934)
NASA Technical Reports Server (NTRS) · leaf 1
r torsion pendulum, the axis of In any practical case the motion of a pendulum will osculation is vertical, lies midway between the two be damped by friction, whereas the theoretical case vertical filaments, and passes through the center of assumes no damping. Damping has the effect of gravity of… … the points of support but not through the center of Axis of gravity of the pendulum. / oscillation For the bifilar torsion pendulum WAS and consequently T*WAS 1= (4) where W is the weight of the pendulum A is the distance between the vertical fila- ments and I is the length of the filaments. For…
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