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Old 4th May 2019, 10:52
  #17 (permalink)  
Join Date: Feb 2017
Location: Isla Grande
Posts: 825
Originally Posted by krismiler View Post
The engine driven generators have an integrated constant speed drive to keep them running at the same speed while the engine speed varies, as the APU is either ON or OFF its generator doesn't need this feature.
So if the APU runs with constant RPM how does the geny lose power with altitude?
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