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King Air C90GT/GTi/GTx


Swept Blade Turbofan Propellers (SBTP)

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Why sweep the propeller blades?

The biggest benefit of propeller blade sweep for the King Air type of airplane is that it allows for a larger diameter propeller that provides greater thrust without increasing the sound level in the airplane and on the ground. The C90GT/GTi/GTx Swept Blade Turbofan Propellers provide unparalleled performance increases across the entire flight envelope. The Swept Blade Propellers as part of Raisbeck's EPIC Performance Package creates the best-equipped C90GTx/ C90GTi/C90GT in the field.


  • Larger (96") diameter, more powerful design develops more thrust without increasing noise or vibration
  • Stunning ramp presence
  • Measurably improved FAA-certified performance with the Raisbeck C90 EPIC Performance Package


  • Larger diameter (96″)
  • 30° blade sweep
  • Oversized hydraulic power piston to lock in propeller synchrophasing
  • Grease-lubricated hubs to preclude oil leaks
  • Manufactured by Hartzell Propeller, Inc.

 Additional Information

Swept Prop Trifold BrochureC90GT-Series with Raisbeck EPIC BrochureRaisbeck C90-Series Swept Blade Turbofan Propellers Brochure