NASA's research into distributed electric propulsion (DEP) includes the design and development of the X-57 Maxwell aircraft. This aircraft has two distinct types of DEP: wingtip propellers and high-lift propellers. This paper focuses on the unique opportunities and challenges that the high-lift propellers--i.e., the small diameter propellers distributed upstream of the wing leading edge to augment lift at low speeds--bring to the aircraft performance in approach conditions. Recent changes to the regulations related to certifying small aircraft (14 CFR x23) and these new regulations' implications on the certification of aircraft with high-lift propellers are discussed. Recommendations about control systems for high-lift propeller systems are made, and performance estimates for the X-57 aircraft with high-lift propellers operating are presented.


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    Title :

    Approach Considerations in Aircraft with High-Lift Propeller Systems


    Contributors:

    Conference:

    AIAA Aviation Technology, Integration, and Operations Conference (AVIATION 2017) ; 2017 ; Denver, CO, United States


    Publication date :

    2017-06-05


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English





    Approach Considerations in Aircraft with High-Lift Propeller Systems

    Patterson, Michael D. / Borer, Nicholas K. | AIAA | 2017




    Approach Considerations in Aircraft with High-Lift Propeller Systems (AIAA 2017-3782)

    Patterson, Michael D. / Borer, Nicholas K. | British Library Conference Proceedings | 2017