A description of the Spey Junior bypass turbofan engine used in the Fellowship. The F.28 is powered by two Rolls-Royce RB 183-2 Spey Junior bypass turbofan engines, designed Mk. 555-15. This engine is a lightened and simplified version of the Spey RB. 163-2 engine which in different versions powers the HS. Trident 1 (Mk. 505-5) and B.A.C. One-Eleven 200 series (Mk. 506-14 AW, 510-14) and is similarly rated at a minimum I.S.A. sea level take-off thrust of 9,850 lb. During cruise at 25,000 ft. and M = ·75 the specific fuel consumption is ·796 lb/hr/lb.


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    Title :

    The Rolls-Royce Spey Junior Powerplant



    Publication date :

    1967-06-01


    Size :

    5 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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