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@fredsharples @omid @isaach What finally convinced me this chart wasn’t inverted was realizing it’s not burn over time for a single flight, but rather, a simplification (smoothed line) of thousands of data points from individual flights of varying distances.
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@stop @fredsharples @omid @isaach And also this from the text: “For long-haul flights, the airplane needs to carry additional fuel, leading to higher fuel consumption. Above a certain distance it becomes more fuel-efficient to make a halfway stop to refuel despite the energy losses in descent and climb.”