Seventy-seat quiet
Slow fan, big bypass. Built for short sectors and airports with curfews.
- Thrust
- 17 500 lbf
- Bypass ratio
- 11.2 : 1
- Fan diameter
- 1.72 m
- Entry into service
- 2029
Station by station
Seven stations. One number each.
Every figure below is what the cross-section above is showing you, measured on the test bed at Nordhaven — take-off rating, sea level, ISA day.
St. 2Fan2.05 m20 blades
St. 2.5Booster2.4 : 13 stages
St. 3HP compressor16 : 18 stages
St. 4Combustor1 620 K18 nozzles · annular
St. 4.5HP turbine11 240rpm · 2 stages
St. 5LP turbine3 870rpm · 5 stages
St. 8Nozzle31 000 lbftake-off thrust
Programmes
Three cores, one family.
The same HP spool scales across the range. Certify one core, fly three aircraft classes.
The one above
The section on this page. Geared fan, eight-stage HP compressor, seven turbine stages.
- Thrust
- 31 000 lbf
- Bypass ratio
- 9.6 : 1
- Fan diameter
- 2.05 m
- Entry into service
- 2027
Long haul, long life
Same core, a 2.9 m fan and a three-stage booster. Twelve thousand cycles between shop visits.
- Thrust
- 68 000 lbf
- Bypass ratio
- 10.4 : 1
- Fan diameter
- 2.90 m
- Entry into service
- 2031
Data pack
The full section, with every number.
Station pressures and temperatures, blade counts, materials, maintenance intervals and the thermodynamic cycle deck — one PDF, no sales call attached.