Originally Posted by
Farjer
Probably a silly question, but is it possible to save fuel on a long-haul flight by slowing down a bit? You can do this in a car on a motorway, but I'm not sure how this works up in the air... obviously you have to avoid the falling-out-of-the-sky problem.
thanks,
Farjer.
In a similar way to a car engine I would expect a jet to have an efficiency curve which shows the most effective use of the engine. Vary it's use and other factors will come into play.