Measurement of Moments of Inertia and Principal Inertia Axis of a Gnat Aircraft.
ROYAL AIRCRAFT ESTABLISHMENT FARNBOROUGH (ENGLAND)
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The modifications made to a ground rig used to measure moments of inertia, and the technique developed to minimise errors in the moment of inertia in roll, are described. Calibration of the rig shows that acceptable accuracies are obtained, and results for the moments of inertia in roll and pitch, and the inclination of the principal inertia axis of the Gnat aircraft are given. Three fuel states, empty, external tanks full and internal tanks full, were tested, and comparisons are made with estimated values where possible. Author
- Attack and Fighter Aircraft