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Old 13th January 2011 | 19:37
  #31 (permalink)  
SNS3Guppy
 
Joined: Oct 2005
Posts: 3,218
Likes: 2
From: USA
Could the 747 Classic use the APU for electrics when airborne?

Did the Classic parallel the engine gennerators?
Some can, but with altitude limits. Engine generators sync, but will not sync with the APU generators.
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