DETERMINATION OF OPTIMAL AZIMUTH FOR MOUNTING ULTRALIGHT COAXIAL HELICOPTER BLADES

DETERMINATION OF OPTIMAL AZIMUTH FOR MOUNTING ULTRALIGHT COAXIAL HELICOPTER BLADES

The possibility of reducing vibration of the ultralight coaxial helicopter blades on the through harmonic wave by mounting blades on the optimal azimuth is shown. The methods of the aerodynamic calculation of rotors and the calculation results for the horizontal flight of “Rotorfly” helicopter are o...

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Veröffentlicht in:Vestnik Donskogo gosudarstvennogo tehničeskogo universiteta (Online) 2018-07, Vol.11 (5), p.667-675
Hauptverfasser: Vitaly V. Dudnik, Vladimir A. Kolot
Format: Artikel
Sprache:rus
Schlagworte:
blade
coaxial helicopter
helicopter rotor
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Zusammenfassung:The possibility of reducing vibration of the ultralight coaxial helicopter blades on the through harmonic wave by mounting blades on the optimal azimuth is shown. The methods of the aerodynamic calculation of rotors and the calculation results for the horizontal flight of “Rotorfly” helicopter are offered. The optimal azimuth of blades intersection is defined as 37.5 degrees angle along the direction of the upper rotor rotation.
ISSN:1992-5980
1992-6006