CFM International LEAP-1B
E552016
The CFM International LEAP-1B is a high-bypass, fuel-efficient turbofan engine developed specifically for the Boeing 737 MAX family, incorporating advanced materials and aerodynamics to reduce fuel burn and emissions.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| CFM LEAP-1B | 1 |
| LEAP engine (through CFM International) | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | turbofan engine ⓘ |
| application | narrow-body airliners ⓘ |
| bypassRatio | high bypass ratio ⓘ |
| certificationAuthority |
EASA
NERFINISHED
ⓘ
FAA NERFINISHED ⓘ |
| combustorType | lean-burn combustor ⓘ |
| compressorType | high-pressure axial compressor ⓘ |
| configuration | two-spool turbofan ⓘ |
| controlSystem | dual-channel full authority digital engine control ⓘ |
| countryOfOrigin |
France
ⓘ
United States of America ⓘ
surface form:
United States
|
| designedForAircraft |
Boeing 737 MAX 10
NERFINISHED
ⓘ
Boeing 737 MAX 7 NERFINISHED ⓘ Boeing 737 MAX 8 NERFINISHED ⓘ Boeing 737 MAX 9 NERFINISHED ⓘ Boeing 737 MAX family NERFINISHED ⓘ |
| designGoal |
compliance with stricter emissions regulations
ⓘ
compliance with stricter noise regulations ⓘ improved fuel efficiency ⓘ reduced environmental impact ⓘ reduced operating cost ⓘ |
| developer | CFM International NERFINISHED ⓘ |
| emissions |
reduced CO2 emissions
ⓘ
reduced NOx emissions ⓘ |
| enteredServiceOnAircraft | Boeing 737 MAX NERFINISHED ⓘ |
| fanDiameter | approximately 69 inches ⓘ |
| feature |
3D aerodynamic design
ⓘ
FADEC control system ⓘ advanced aerodynamics ⓘ low-emissions combustor ⓘ twin-annular pre-swirl combustor technology ⓘ |
| fuelEfficiency | reduced fuel burn compared to CFM56-7B ⓘ |
| intendedRole | main propulsion for Boeing 737 MAX ⓘ |
| launchAircraft | Boeing 737 MAX 8 NERFINISHED ⓘ |
| manufacturer | CFM International NERFINISHED ⓘ |
| marketSegment | single-aisle commercial aircraft engines ⓘ |
| materialUsed |
carbon-fiber composite fan blades
ⓘ
ceramic matrix composites ⓘ composite fan case ⓘ |
| noiseLevel | reduced noise compared to previous generation engines ⓘ |
| partOfFamily | CFM International LEAP engine family NERFINISHED ⓘ |
| predecessor | CFM International CFM56-7B NERFINISHED ⓘ |
| primaryCustomer | Boeing NERFINISHED ⓘ |
| program | CFM LEAP program NERFINISHED ⓘ |
| thrustClass | approximately 23,000 to 29,000 lbf ⓘ |
| turbineType |
high-pressure turbine
ⓘ
low-pressure turbine ⓘ |
| usedOn | commercial passenger aircraft ⓘ |
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
CFM LEAP-1B
this entity surface form:
LEAP engine (through CFM International)