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Old 25th Aug 2019, 02:15
  #17 (permalink)  
Harry Wayfarers
 
Join Date: Sep 2016
Location: Siargao Island
Posts: 925
Originally Posted by The Range View Post
How is the non-stop is going to use less fuel? The non-stop flight time will be less than two connecting flights and will travel less miles. And the two connecting flights will have one additional take off and climb.
Because the non-stop flight shall be tankering fuel for up to 20 hours and it costs circa 3% fuel burn per hour to tanker that fuel so to carry just 1,000kg of fuel for the final hour of a 20 hour flight the aircraft is going to take-off with some 1,700kg of fuel of which it shall burn some 700kg just carrying that 1,000kg for 19 hours and that is just 1,000kg, work out the total fuel burn then tankering costs from one to nineteen hours, the fuel burn shall be mega.

Last edited by Harry Wayfarers; 25th Aug 2019 at 03:36.
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