FIELD: aviation.
SUBSTANCE: group of inventions relates to aircrafts. The spiroid winglet represents the extension of the wing end in the form of a closed bearing surface located above it. The bearing surface of the winglet is made constantly tapering, with a chord at the end of its horizontal section reaching 30-50% of the chord of the wing end. The leading edge of the horizontal part of the winglet bearing surface located behind the twist axis of the wing has a negative sweep. The end of the horizontal part of the winglet is supported by the wing torsion box with the help of a tail fin direction provided with a fissionable control surface, which is mounted normally to the wing surface and having a sweep and a height from 70% to 100% of the winglet span. The end portion of the horizontal part of the winglet is made in the form of an all-moving steering surface. The end of the horizontal part of the winglet has a positive sweep in the first version, and a negative sweep in the second version.
EFFECT: improved management effectiveness.
3 cl 7 dwg
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|
RU2655571C1 |
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|
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| AERODYNAMIC SURFACE AND AIRFRAME OF AIRCRAFT | 2017 |
|
RU2667410C1 |
