FIELD: aerodynamics.
SUBSTANCE: end of aerodynamic surface, installed on main part of aerodynamic surface, contains upper and lower sides, which are conjugated with formation of front and rear edges, inclined end surface and aerodynamic crest. Inclined end surface is conjugated with upper side of aerodynamic surface at acute angle to form outer edge made with outwardly turned bend. Aerodynamic ridge is formed by outer and inner surfaces interfaced with formation of lower edge and is located on lower side of main part near coupling of lower side with inclined end surface with possibility of straightening and support of air flow passing under lower side. Aerodynamic crest protrudes rearward behind rear edge dimension by value from 10 to 50 percent of end chord of main part and includes upper edge or surface mating with outer edge of tip and upper side of main part.
EFFECT: invention is aimed at improvement of aerodynamic quality due to reduced inductive resistance.
23 cl, 32 dwg
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