REITagline

King Air 250

 

Ram Air Recovery System (RARS)

How does RARS work?

By making the airflow to the engine more efficient, the Ram Air Recovery System (OEM standard on new King Air 250s) decreases ITT 18° at equal torque, prevents FOD and increases all weather capability.

Benefits

  • Significantly improved climb and cruise performance with ice vanes stowed or deployed
  • 18º cooler engine ITT at equal torque
  • 8% increase in available horsepower
  • 8% to 11% block fuel savings (as part of the 250 EPIC Platinum Performance Package)
  • Ice vanes may be deployed at any time including taxi and takeoff when at OATs up to ISA +27ºC*

Technology

  • Developed and tested in conjunction with Pratt & Whitney of Canada, Ltd
  • FAA-Certified for ice-vane deployment on the ground and in the air
  • Utilizes coanda-effect aerodynamics for efficient airflow vectoring
  • Full inlet plenum sealing through unique full-body diaphragms
ITT REDUCTION
  • Utilizes coanda-effect aerodynamics for efficient airflow vectoring
  • Full inlet plenumsealing through unique full-body diaphragms

Additional Information

 
16-B200-EP-Pocket-Reference16-B200-EP-Owners-List

REDUCE TORQUE LOSS WITH ICE VANES DEPLOYED

The Raisbeck-patented Ram Air Recovery System maximizes the air to the engine inlet so that your engine retains the same power with ice vanes deployed that you get now with the ice vanes stowed. Your aircraft retains speed and power as you climb through clouds or inclement weather. With ice vanes stowed, you experience increased power and speed, and you save fuel—all at lower engine temperatures.

PROTECT AGAINST FOREIGN OBJECT DAMAGE (FOD)

With Raisbeck Swept Blade Propellers or the King Air 250 EPIC Platinum Performance Package, ice vanes may be deployed at any time — including on the ground, during takeoff, and for landing — when at OATs up to ISA +27oC. Use of ice vanes on RARS- equipped aircraft on the ground and during takeoff and landing minimizes the risk of foreign object damage. That’s why the U.S. Army has equipped its entire C12 fleet with Raisbeck’s Ram Air Recovery System.

Gallery

 

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