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I find 80-90K to be more realistic given the loading condition of the
airplane.<
As implied above, rotation speed must take into account gross weight. A
heavy aircraft should be rotated at a higher speed than at light gross
weights. The amount of KAS rotation difference is a function of the square
root of the GW difference. It would make sense to make further additives
for turbulence or gusts. Also wing tip vortices tend to sink to the ground and then move outboard. The absolute worst condition is a light cross wind which positions one of
the wing vortices right along the runway centerline contributing to
aerobatics on T/O.
Also those who share their learning experiences via this forum are to be
commended. Professional pilots do that sort of thing so the rest of us can
learn through their experiences even though ones pride may be hurt
somewhat. Thanks for sharing. James B. Frantz
Proprietary Software Systems, Inc.
www.angle-of-attack.com
LFrantz@compuserve.com
(952) 474-4154
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