Test results from studies of small and large powered models of a dual, tandem, ducted-propeller VTOL design are reviewed, with emphasis on stability and control characteristics through the transition speed range. The character­istics are generally satisfactory. Stability augmentation may be required to reduce Dutch roll tendencies. Further study is needed to evaluate the appar­ently large side-force gradients in sideslip. Reductions in control effective­ness due to ground proximity are similar to those for tilt-wing V /STOL designs.


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    Title :

    Aerodynamic stability and control of ducted- propeller aircraft


    Contributors:

    Conference:

    Conference on V/STOL and STOL aircraft ; 1966 ; Mountain View, CA, US


    Published in:

    Publication date :

    1966-04-04


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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