Loading…
owl.Engines library
Back to engines library
ROLLS-ROYCE

RB211-535E4

Mixed-flow turbofan

ENGINE9 documented fields
Compare this engine
OpenAP reference record 5RR038. Values describe the source configuration and test conditions. Fuel-flow modes are reference test points, not an in-flight fuel prediction. Dimensions and certified operating limits are not supplied by this dataset.
Reference thrust178400 N
Bypass ratio4.1 :1
Pressure ratio26.0 :1
Takeoff fuel flow1.85 kg/s
REFERENCE COVERAGELoading coverage…
PROVENANCE1 linked source
LAST RETRIEVED2026-09-05
View missing fields and source dates

Source editions

OpenAP engine properties ↗Edition / snapshot: Reference snapshot, September 2026Retrieved: 2026-09-05

Retrieval dates record when Owl obtained the data; they are not publication dates or proof that a specification is current. Where the edition contains only a snapshot date, the original publication date is not recorded.

01

Output

Reference maximum thrustOpenAP engine dataset · 5RR038 · max_thrust
178,400 N
02

Architecture

Bypass ratioOpenAP engine dataset · 5RR038 · bpr
4.1 :1
Overall pressure ratioOpenAP engine dataset · 5RR038 · pr
26 :1
03

Fuel flow

Approach fuel flowOpenAP engine dataset · 5RR038 · ff_app
0.52 kg/s
Climb-out fuel flowOpenAP engine dataset · 5RR038 · ff_co
1.5 kg/s
Idle fuel flowOpenAP engine dataset · 5RR038 · ff_idl
0.18 kg/s
Reference LTO fuelOpenAP engine dataset · 5RR038 · fuel_lto
681 kg
Takeoff fuel flowOpenAP engine dataset · 5RR038 · ff_to
1.85 kg/s
04

Provenance

Source manufacturer nameHistorical source label retained.
Rolls-Royce plc

Aircraft connections

Exact engine-name matches in the aircraft catalogue. This is not a complete installation or certification list.

Boeing 757-200

Dimensions, dry weight, shaft-power ratings and certified limits are not documented in this engine dataset.

Sources & context

Reference values vary with model, rating and conditions. Consult the relevant manufacturer documentation for certified specifications.