1970-02-01

Development of the Rolls-Royce RB.211 turbofan for airline operation 700292

This paper briefly reviews the basic design concepts of the RB.211-22 high by-pass turbofan engine. It summarises the facilities available for developing the engine. It concludes with a status report of the engine development programme, including comments on the fan blade, combustion development and smoke levels, the H.P. turbine blade, oil sealing, structural rig testing, the three-shaft configuration, modular build, borescope inspection, achieved performance and noise levels.

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