PPRuNe Forums - View Single Post - What do you think about this inflight fuel saving technique

13th August 2013 | 09:27

#19 (permalink)

enicalyth

Joined: Jul 2004

Posts: 513

Likes: 0

From: Sydney NSW

Ahh, a B744

I just happen to have an example before my eyes on my PC.

Case 1 is M0.825; case 2 M0.845 and poses a fictitious instantaneous step climb FL330-350 at 341560kg. The “econ” specific air range computes as 43nm/tonne; "LRC" choice reduces to 42nm/tonne.