Song Hong
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If wee see F119 numbers, I would say WS15 is still not quite there yet. The F119 intermediate power (which is actually a very important specs) is 116KN which WS 15 is 105.22 kN. F119 lifetime is 12000 hours (another important benchmark).
Pratt & Whitney F119 - Wikipedia
en.wikipedia.org
General characteristics
- Type: Twin-spool, axial-flow augmented turbofan
- Length: 203 in (516 cm)
- Diameter: Approx. 46 in (117 cm)
- Dry weight: 3,900 lb (1,769 kg)
Components
- Compressor: 3-stage fan, 6-stage high-pressure compressor
- Bypass ratio: 0.30:1
- Combustors: Annular combustor
- Turbine: 1-stage high-pressure, 1-stage low-pressure counterrotating turbines
- Nozzle: 2-dimensional vectoring convergent-divergent
Performance
- Maximum thrust:
- 26,000 lbf (116 kN) (military/intermediate power)
- >35,000 lbf (156 kN) (with afterburner)
- Turbine inlet temperature: 3,000 °F (1,649 °C; 1,922 K)
- Thrust-to-weight ratio: 6.7:1 (intermediate), 9.0:1 (afterburning)