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TsAGI Science Journal

ISSN Print: 1948-2590
ISSN Online: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.v46.i7.50
pages 671-686

CRITERION TO SELECT OPTIMUM VALUES OF AIRCRAFT LATERAL STATIC STABILITY MARGIN IN LANDING APPROACH

Pavel Anatolievich Desyatnik
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky str., Zhukovsky 140180, Moscow region, Russia

ABSTRACT

The equation of aircraft lateral/directional motion is analyzed and modified to determine generalized parameters critical to developing the handling quality criterion in the directional control axis. An extensive experimental database is collected on the TsAGI PSPK-102 flight simulator to assess the effect of the generalized parameters on the optimum (pilot opinion) values of Lβ that determine the best interaction between directional and lateral motion while under pedal control. The derivation of the directional handling quality criterion is presented based on the collected experimental database. The effectiveness of the criterion is demonstrated by its coincidence with the experimental results.