L.p. Compressors Parts

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Part Number
NSN
NIIN
10544-33-7 Tube To Boss Straight Adapter
001731884
173633 Tube To Boss Straight Adapter
012089234
1968-FS0-1/4 Tube To Boss Straight Adapter
001731884
222734- Tube To Boss Straight Adapter
012089234
222734-X3 Tube To Boss Straight Adapter
012089234
273-0473-008 Tube To Boss Straight Adapter
001731884
33308 Tube To Boss Straight Adapter
001421278
4-6 080120SA Tube To Boss Straight Adapter
010263831
4-6 F5BU-SS Tube To Boss Straight Adapter
010263831
4-6F5BUSS Tube To Boss Straight Adapter
010263831
4730001421278 Tube To Boss Straight Adapter
001421278
4730001731884 Tube To Boss Straight Adapter
001731884
47301421278 Tube To Boss Straight Adapter
001421278
4730V0764 Tube To Boss Straight Adapter
001421278
512138 Tube To Boss Straight Adapter
001421278
5152138 Tube To Boss Straight Adapter
001421278
560-05-01C-201 Tube To Boss Straight Adapter
004115597
592-442 Tube To Boss Straight Adapter
001731884
6-6 080120SA Tube To Boss Straight Adapter
004115597
60-615 PIECE 442 Tube To Boss Straight Adapter
001731884
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L.p. Compressors

Picture of L.p. Compressors

Jet engines and other gas turbine engines are often uprated by adding a zero-stage, sometimes written '0' stage,

At a given core size, adding a stage to the front of the compressor not only increases the cycle overall pressure ratio, but increases the core mass flow. A further uprating may be done by adding another stage in front of the previously-added zero stage, in which case the new one may be known as a zero-zero stage.

A comparison with other ways of uprating an existing engine without drastically redesigning the engine shows for a particular case, eg the Rolls-Royce/SNECMA M45H, the thrust could have been increased by 25% with a zero-staged l-p compressor or 10% with either an improved HP turbine or with water injection.

Zero-staging is also combined with other modifications to provide increased thrust or lower turbine temperature. It may be required for an existing aircraft weight increase, or for a new application, as shown by the following examples.

A 15-stage Rolls-Royce Avon powered the Lightning F.1. A zero-stage, together with a new turbine, was added (total 16 stages) for the Caravelle III. A zero-zero stage was added (total 17 stages) for the Caravelle VI.

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