Whirlwind HAR Mk 1 for Royal Navy is powered by Pratt and Whitney R 1340-40 Wasp; for Royal Air Force, Whirlwind HAR Mk 2 has similar equipment apart from radio installations; it can be used for " paratrooping"; on civil side, S-55 is delivered with bare cabin and conversion kits for various roles required; powered by R 1340 Wasp engine; later models will be fitted with Cyclone; max sea level speed 95 knots. See also Engineering Index 1953 p 491.


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    Title :

    Westland Sikorsky S-55 helicopter


    Additional title:

    Aeroplane


    Published in:

    Aeroplane ; 86 , n 2240


    Publication date :

    1954


    Size :

    7 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    Sikorsky S-58, Westland "Wessex"

    Kopenhagen, Wilfried | SLUB | 1966


    Sikorsky crane helicopter

    Michel, P.L. | Engineering Index Backfile | 1962


    Westland S.55 helicopter

    Engineering Index Backfile | 1953