Bombardier CRJ900 Engine GE CF34-8C5

Bombardier CRJ900 Engine GE CF34-8C5

The Bombardier CRJ900 engine is the General Electric - GE CF34-8C5 turbofan engine. Two GE CF34-8C5 engines are mounted on the tail section of the CRJ900 jet. According to the type certificate for the CRJ900 the GE CF34-8C5A1 is also available as an option for the CRJ900. The type certificate for the CF34-8C5 engine was issued by the FAA on April 12, 2002.

Below are specifications for the CRJ900 Engine the GE CF34-8C5. Information on the Engine is from the FAA type certificate for the CF34-8C5. Also note that the CF34-8C5A1 is very similar to the 8C5 and only the normal takeoff thrust figures are different (higher takeoff trust rating).

GE CF34-8C5 Specifications:

Thrust Ratings:

  • Maximum Takeoff (5 min): 14,510 lb
  • Normal Takeoff (5 min): 13,360 lb
  • Maximum Continuous: 13,680 lb

CRJ900 Engine - GE CF34-8C5 Dimensions:

  • Length: 151.57 Inches
  • Maximum Diameter: 60.66 Inches
  • Weight: 2,780 pounds (With residual fuel and oil).

Center of Gravity Location:

  • Engine Station: 173.9 Inches
  • Butt Line: 99.78 Inches
  • Water Line: 99.35 Inches

Fuel: GE Jet Fuel Specification No. D50TF2, current revision See GEK 105094 (CF34-8C1/8C5 models).

Maximum Engine Operating Speeds:

Low Pressure Rotor (N1):

  • Maximum Takeoff: 7,360 RPM
  • Normal Takeoff: 7,360 RPM
  • Maximum Continuous: 7,360 RPM

High Pressure Rotor (N2):

  • Maximum Takeoff: 17,710 RPM
  • Normal Takeoff: 17,710 RPM
  • Maximum Continuous: 17,470 RPM

Maximum Permissible Temperatures (Interturbine Temperature):

  • Maximum Takeoff (5 min): 1,814 °F or 990 °C
  • Maximum Takeoff (2 min out of a total of 5 minutes): 1,843 °F or 1,006 °C
  • Normal Takeoff (5 min): 1,736 °F or 947 °C
  • Normal Takeoff (2 min out of a total of 5 minutes): 1,765 °F or 963 °C
  • Maximum Continuous: 1,760 °F or 960 °C

Bombardier CRJ900 Engine GE- CF34-8C5 Photo

Above Bombardier CRJ900 Engine photo by Jhz94 on Wikimedia Commons. Photo (only) released under a Creative Commons License.

The Bombardier CRJ900 engine is also called the Bombardier CRJ9 engine, Bombardier CR9 engine, Bombardier CL-600-2D24 engine, Canadair CL-600-2D24 engine, Bombardier CRJ 900 Engine or the Canadair Regional Jet 900 engine due to the various names for the CRJ900 jet.


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