The General Electric CJ610 is a single-spool turbojet engine employed to power Learjet series and the HFB 320 Hansa Jet aircraft. This type of engine is confined to the low-thrust class spectrum of smaller jet-propelled aircraft. Although it is reliable in operation, this plain turbojet has a low position in the ladder of efficiency and, moreover, is extremely noisy. This is the reason why it is seen today only in the older civil aircraft that are hushkitted (a hushkit is a device fitted to older jet engines to help reduce the noise).
Technical Characteristics
The General Electric CJ610 has a single spool with a low compressor pressure ratio of Pt3/Pt2=6.8 and a mass flow rate of 20 kg/s. The engine is fitted with an 8-stage compressor and a 2-stage turbine. It has a rotational speed of 16,500 rpm and a static thrust of 2,800 pounds (12.65 kN). It also has variable stator vanes in the front stages, which adjust the flow of air. Thus, the front stages are more highly loaded than the middle or rear stages.
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| The General Electric CJ610 is a single-spool turbojet engine. |
