FIELD: aircraft engineering.
SUBSTANCE: device to control vortex street comprises control device (8) mounted on clamping element (11) of elongated element (5) and on control surface (4) so that its base (12) comes in contact with front edge (6) of its aforesaid control surface. Said control device (8) features triangular shape in the plane perpendicular to its lengthwise axis and having two adjacent sides forming lateral surfaces interconnected by rounded edge. Aircraft incorporates vortex street control device.
EFFECT: reduced drag.
6 cl, 6 dwg
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