Specifications (LiftSystem)
- Main engine
- Two options:
- Pratt & Whitney F135
- 17,600 pounds-force (78 kN) dry thrust
- Fighter Engine Team General Electric/Rolls-Royce F136
- 18,000 pounds-force (80 kN) dry thrust
Components:
- LiftFan
- Two-stage contra-rotating hollow titanium blisk fan of 50 inches (1.3 m) diameter. Uppermost fan fitted with variable inlet guide vanes. Capable of generating more than 20,000 pounds-force (89 kN) cold thrust
- Three-bearing swivel module
- Able to rotate through 95 degrees in 2.5 seconds and vector 18,000 pounds-force (80 kN) dry thrust in lift mode, with reheat capability in normal horizontal attitude
- Roll posts
- Two: hydraulically actuated
Read more about this topic: Rolls-Royce Lift System