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Old 18th Apr 2009, 02:33
  #30 (permalink)  
barit1
 
Join Date: Feb 2005
Location: flyover country USA
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stilton:
On an individual basis, flex / reduced power take off's do not save fuel.

Whilst not the most cost efficient profile when taking into account all other factors a full power take off followed by a max continuous thrust climb to altitude will save the most fuel.
You have stated this quite correctly, given your condition of min fuel for max range. I believe this is true for most turbofan aircraft.

Just don't overlook the " taking into account all other factors " for more mundane ops. Those "all other factors" are far from trivial.
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