Illustrated notes on design and performance of Sikorsky R-4B, 3-bladed rotor cabin helicopter powered by 185-hp 7-cyl Warner Super Scarab R-550-1 radial engine driving both vertical and tail rotors; at RAF instructional school at Andover, five or six hours instruction is considered sufficient to train pilot. (See also Aeroplane v 69 n 1783 July 27 1945 p 89-101)


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    Titel :

    Helicopter progress


    Weitere Titelangaben:

    Flight


    Erschienen in:

    Flight ; 48 , n 1906


    Erscheinungsdatum :

    1945


    Format / Umfang :

    3 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Helicopter progress

    Engineering Index Backfile | 1945


    Helicopter progress

    Engineering Index Backfile | 1949


    Real helicopter progress

    Poulsen, C.M. | Engineering Index Backfile | 1939


    Survey of helicopter progress

    Engineering Index Backfile | 1955


    Helicopter progress at Yeovil

    Engineering Index Backfile | 1948