Hi all,
does XCSoar 6.1 calculate correctly how the wind affects overall glide
performance of the glider, when it calculates required altitude to finish the
task?
Why'm asking.... because about 2 weeks ago, I have been flying my final glide
with the headwind and I noticed, that the Final Glide reserve altitude was
decreasing during the cruise.
So it seemed that XCSoar compute the required altitude for the "normal" polar,
but due to the headwind my L/D was smaller so I was loosing my altitude faster
than XCSoar estimated and because of that the altitude reserve was decreasing.
I have set MC value on approx. 2 - 2.5.
Did anybody noticed similar behavior?
Any idea, what was wrong?
Thanks,
R.
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