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Pratt & Whitney Engines

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Aircraft using this engine (click here)


Engine Characteristic

Type Twin-Spool, Augmented Turbofan
Application F-22 Advanced Tactical Fighter
Thrust 35,000 Pound Thrust Class
Engine Control Full-Authority Digital Electronic Control
Compression System Twin Spool/Counter Rotating/Axial Flow/
Low-Aspect Ratio
     Three-Stage Fan
     Six-Stage Compressor
Combustor Annular
Turbine Axial Flow/Counter Rotating
• One-Stage, High-Pressure Turbine
• One-Stage, Low-Pressure Turbine
Nozzle Two-dimensional Vectoring Convergent/Divergent


This material is copyrighted to Pratt and Whitney and they retain and reserve all rights to this material.  The use of this material by the ALLSTAR network is with permission of Pratt and Whitney.  The ALLSTAR network's copyright applies to the format used in presenting this material.  Pratt and Whitney should be contacted directly for permission to use this material.

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Updated: March 12, 2004