- A combination of low-pressure and high-pressure compressors being driven by low- and high-pressure turbines. Also called a twinspool compressor.
Aviation dictionary. 2014.
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dual-spool gas turbine engine — An axial flow turbine engine with two independent axial flow compressors, each driven by its own stage(s) of turbines. The high pressure, or N2 , compressor is speed governed by the fuel control system. The speed of the low pressure compressor,… … Aviation dictionary
low-pressure compressor — The front section of a dual spool compressor, also called an N1 compressor or a low speed compressor. It is driven by the last stage of a turbine. The high pressure compressor is called an N2 compressor … Aviation dictionary
high-pressure compressor — The second stage compressor in a dual spool gas turbine engine. It is called an N2 compressor. A high pressure compressor is the only one rotated by the starting system of an aircraft … Aviation dictionary
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