411A,
Would you feel happier if I showed you a chart with a 35 kt speed increase for a 5 degree increase in temperature......

Lost Soul,
Boeing charts are normally produced using a program called Standard Takeoff Analysis Software (STAS), I looked through all of the outputs available and your chart isn’t one of the standard outputs. So I cant help you with an explanation
Flygprestanda on the other hand, should not only be able to give you a detailed explanation of each and every figure on those charts, they should be able to justify the weights and speeds with calculations from the AFM!
Mutt.
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