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Thread: JT8D-9A slow to spool.
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Old 20th Sep 2009, 01:52
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AeroTech
 
Join Date: Jun 2005
Location: USA
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Hi,

If I am not mistaken, here a small detail:
the bleed valves (acting as anti-surge valves) will stay open during the acceleration if the PRBC is faulty. This will cause a slow acceleration and it may also cause slow start.
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