The Rolls-Royce RB211 was a turbofan engine developed by the British firm Rolls-Royce to power the Lockheed L-1011. It first ran on this aircraft in 1970. The RB211 could generate 40,600 lb (270 kilonewtons) thrust. The costs of development forced Rolls-Royce into bankruptcy, but it was nationalized by the British government. The RB211 was also used for land-based power generation; the first engine manufactured for this purpose was the RB211-22.
Specifications for the Roll-Royce RB211-22
Triple-spool high-bypass-ratio 5.0 Single-stage wide-chord fan Seven-stage IP compressor Six-stage HP compressor Single annular combustor with 18 fuel burners Single-stage HP turbine Single-stage IP turbine Three-stage LP turbine
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