Large transport 33,000-lb X-18 research aircraft, built by Hiller Aircraft Corp for U S Air Force having main 5000-bhp Allison T-40 turboprop engines, 16 ft diam, 6-blade Curtiss dual rotation propellers, and Westinghouse J-34 turbojet engine used for hovering, pitching control; arrangement of possible 30,190 lb gross weight, 4-engine aft loading, transport Propelloplane; advantages. See Engineering Index 1958, p 552 under Helicopters -- Design.


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    Title :

    Tilt wing Propelloplane potentialities


    Additional title:

    Am Helicopter Soc -- J


    Contributors:


    Publication date :

    1959


    Size :

    5 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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