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Analysis of Characteristics of Lateral Stability of Sailplane Lak 17a by Computational Method Sklandytuvo Lak 17a oninio stabilumo charakteristik tyrimas skaitiniu metoduKeywords: dutch roll , lateral stability , AVL , LAK 17a , instability , helix Abstract: A computer-based geometrical model of the Lak-17a sailplane was generated with the program AVL (Athena Vortex Lattice), which is designed to analyse the characteristics of flight and to provide a rapid analysis of the configuration of an aircraft. Various characteristics of stability and control were calculated by simulating a real flight with the program. According to the results, a conclusion was formulated and suggestions about how to improve the stability and control of the aircraft were offered. Article in Lithuanian Kompiuterinis geometrinis sklandytuvo Lak 17a modelis sugeneruotas programa AVL, kuri skirta orlaivi konfigūracijos ir skryd io charakteristik analizei. Imituojant real skryd programa suskai iuotos vairios pastovumo ir pavaldumo charakteristikos. Pagal gautus rezultatus suformuluotos i vados kiekvienam oninio nestabilumo atvejui ir pateiktos rekomendacijos, kaip būt galima pagerinti orlaivio stabilum ir pavaldum . Straisnis lietuvi kalba
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