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Old 6th Aug 2011, 13:20
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Captain_BH
 
Join Date: Jun 2006
Location: Middle East
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Question Eng n2 - apu - airbus320
Hi guys just wondering why
sometimes during engine start .. i notice while monitoring parameters N2 rotates very slowly, and sometimes very fast why is that!!

and the same for APU sometimes when I press the start PB the APU N rotates and starts quickly and sometimes very slow.. why is that ??
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