Inside Out Library · ExploreAn accurate method of measuring the moments of inertia of airplanes (1930)NASA Technical Reports Server (NTRS) · leaf 24Fig.5 Arrangement for the determination of the moment inertia ahout the Y axis.NASA Technical Reports Server (NTRS)Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.More pictures from An accurate method of measuring the moments of inertia of airplanesMore like this