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Rolls Royce
Trent family
The Trent uses not two but
three
spools to power the fan, low-pressure compressor, and high-pressure compressor.
Engine statistics
Specification
700
800
900
Application
A330
777
A3XX, 747
Thrust
68,000-75,000 lb
75,000-104,000
69,000-84,000
Bypass Ratio
5.3
6.5
8
Pressure Ratio
40
42
42
Fan dia
97.4 in
110 in
110 in
SFC
.56 lb/hr/lb
.557