Hi HazelNuts39,
Originally Posted by HazelNuts39
2 h 10 min 42 -- La vitesse verticale est de 1 900 ft/min et la vitesse verticale sélectée est de 1 300 ft/min.
It might be related to ISIS, "barometric pressure selected" (see #2 below, 1.34.25) but I'll look at other possibilities.
About your previous "pseudo-flight curves" k-energy study, no matter what BOAC could think about it, it looks that you were very very close to the real data. Very good job indeed.
ISIS Altitude: