The Wing Loading Spectrum of a Glider in Aerobatic Maneuvers Measured on a Training Two-Seater SZD-9bis "Bocian"

Abstract

The measurements of loading spectrum in aerobatics for a two-seater "Bocian" produced some general data for designing the fatigue test program. The test was completed for the glider flown by low and high experience pilots. The purpose was to obtain data useful for training sailplane spectrum (low experience pilots) as well as for high performance sailplane (high experience pilots). Although the aerodynamic characteristics of the "Bocian" and modern high performance gliders are different, the data measured can be extended on both classes of gliders. The corresponding data on load spectra measured on a single seater would be very valuable in designing the fatigue test program, but so far no such measurements have been reported.