The General Electric TF34 is an American military

turbofan The turbofan or fanjet is a type of airbreathing jet engine that is widely used in aircraft propulsion. The word "turbofan" is a portmanteau of "turbine" and "fan": the ''turbo'' portion refers to a gas turbine engine which achieves mechanical ...

engine used on the A-10 Thunderbolt II and S-3 Viking.

Design and development

Developed by

GE Aircraft Engines GE Aviation, a subsidiary of General Electric, is headquartered in Evendale, Ohio, outside Cincinnati. GE Aviation is among the top aircraft engine suppliers, and offers engines for the majority of commercial aircraft. GE Aviation is part of th ...

during the late 1960s, the original engine comprises a single stage fan, driven by a 4-stage low pressure (LP) turbine, supercharging a 14-stage high pressure (HP) compressor, driven by a 2-stage HP turbine. An annular combustor is featured. The TF34-GE-400A is rated at 9,275 lbf (41.26 kN) static thrust. The civilian variant, the

CF34 The General Electric CF34 is a civilian high-bypass turbofan developed by GE Aircraft Engines from its TF34 military engine. The CF34 is used on a number of business and regional jets, including the Bombardier CRJ series, the Embraer E-Jet ...

, is used on a number of business and regional jets.

Variants

;TF34-GE-2 Initial variant for Lockheed S-3, entered production in August 1972. ;TF34-GE-100 Variant for Fairchild A-10A, first flown in A-10 during May 1972. Production began in October 1974. ;TF34-GE-400A Improved version of GE-2 for Lockheed S-3.

Applications

Paris Air Show 2015 150618-F-RN211-263 (18764593600)

* Fairchild Republic A-10 Thunderbolt II * Lockheed S-3 Viking * Lockheed Martin RQ-170 Sentinel * Sikorsky S-72

Specifications (TF34-GE-400A)

References

* Taylor, John W.R. ''Jane's All the World's Aircraft 1982-83.'', London, Jane's Publishing Company Ltd, 1982. .

External links