This paper highlights the design work for optimized dynamics, aerodynamics, flying and handling qualities taking into account the experiences gained during the development of the EC135. First a brief description of the development schedule and helicopter is given. Then follows a discussion of interesting topics like rotor dynamics, vibration, rotor/airframe aerodynamics, stability and control. For each problem area, significant parameters are discussed and tendencies are shown. In addition, the methodology used today in the design process of a helicopter is addressed. Results show a wide range of interesting numerical values of design parameters or system qualities like rotor stiffness, pitch-lag coupling of the BMR blades, endplate/stabilizer configuration, cabin vibrations, maneuverability, controllability, influence of lateral derivatives on Dutch roll damping and optimized gust response. All discussed items are reflected by flight test results.


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    Title :

    Aeromechanic aspects in the design of the EC135


    Additional title:

    Aeromechanische Aspekte bei der Auslegung des Helikopters EC135


    Contributors:
    Kampa, K. (author) / Enenkl, B. (author) / Polz, G. (author) / Roth, G. (author)

    Published in:

    Publication date :

    1999


    Size :

    11 Seiten, 27 Bilder, 3 Tabellen, 20 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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