User:Oosh/sandbox
Appearance
194 centimetres (76 in)
Specifications | Trent 900 | GP7000 |
---|---|---|
Type | Three-shaft high bypass ratio (8.7-8.5) turbofan engine | two-spool high-bypass turbofan engine |
Length | 4.55 m (179 in) | 4.74 m (187 in) |
Diameter | 2.94 m (116 in) fan tip | 2.95 m (116 in) fan tip |
Weight | 6,271 kg (13,825 lb) | 6,712 kg (14,797 lb) |
Compressor | Eight-stage IP compressor, six-stage HP compressor | hollow-titanium, 24 swept wide-chord hollow titanium fan blades, by-pass ratio of 8.7:1; five-stage low-pressure axial compressor; nine-stage high-pressure axial compressor |
Combustors | Tiled combustor | low-emissions single annular combustor |
Turbine | Single-stage HP turbine, single-stage IP turbine, five-stage LP turbine | two-stage high pressure turbine, boltless architecture, single crystal blades, split blade cooling and thermal barrier coatings, axial flow; six-stage low-pressure axial flow |
Maximum power output | 36,980 kgf, 363 kN, 81,500 lbf | |
Overall pressure ratio | 37-39 | 43.9 |
Thrust-to-weight ratio | 4.93-5.63 (assuming 14,190 lb (6,440 kg) weight of engine and certified to 70,000–80,000 lbf (310–360 kN)* of thrust) | 4.73 (assuming 17,230 lbf weight of engine and 81,500 lbf of thrust) |
{{SVG Chart | XAxisText = Year | YAxisText = Index | LegendType = none | XMin = 1990 | XMax = 2015 | YMin = 5 | YMax = 20 | Graph1Values = 1990 6.16 2000 10.72 2005 11.15 2012 17.29 }}
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