Rolls Royce RB211 modules
Hello
I have an interview coming up and I just wanted to brush up on my knowledge on aircraft and engines. I know the RB211 is a modular construction, but I used to know what each module is for sure, but that was a long time ago. Could anyone please confirm if I have this correct: Module number : description 01: LP fan 02: IP compressor 03: HP compressor 04: Combustion chamber plus HP turbine 05: IP turbine 06: LP turbine 07: Gearbox Thanks in advance. Antony |
The basic Engine is assembled from seven primary units (Modules)
which can be removed and installed quickly. The Modules are identified below:- • LP Compressor Rotor (31) − Contains 1 stage of Compressor • IP Compressor (32) − Contains 7 stages of Compressor • Intermediate Case (33) − Contains 3 Location Bearings (Thrust Bearings) and load structure • HP System (41) − Contains 6 stages of Compressor, Annular Combustion Chamber and a single stage HP Turbine. • IP and LP Turbine (51) − Contains a single stage IP Turbine and 3 stages of LP Turbine • High Speed External Gearbox (61) • LP Compressor Case (34) from 744 -524 notes, although later I believe they refer to them as 01, 02 etc. |
Tonyms
An extract of RB211-534 training notes The engine has these seven major modules: - 01 - LP compressor (fan) - 02 - IP compressor - 03 - intermediate case - 04 - HP system - 05 - IP and LP turbine - 06 - gearbox - 07 - fan case. And the B757 AMM 2. Component Details A. The engine is a high by-pass ratio, three shaft turbofan, consisting of a fan system (cold stream) and a gas generator (hot stream). The engine being of modular structure consists of the following modules (Table 2): Table 2/72-00-00-993-802-R00 Engine Modules (1) LP rotor 01 (2) IP compressor 02 (3) Intermediate case 03 (4) HP system (HP compressor, combustion and HP turbine) (5) IP/LP turbine (IP turbine, LP turbine and exhaust case) (6) High speed external gearbox 06 (7) LP compressor case 07 Regards |
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