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thanks for the tips. So you're suggesting
that
I leave the J (advance ratio), and coefficients
alone,
and just modify the Ixx and Diameter parameters
accordingly?
DONE! Well, this kind of leads me back to the
original problem.
My plane is supposed to be flying to a set of
waypoints, lat, long,
and altitude, and along this flight, should be
tracking a.)velocity
and b)altitude. It fly's to the specified
lat, and long, but there is no
response from the aircraft when the actual alt.
drops below the setpoint
altitude. I
can see the thrust increase, and with this increase I expect an
increase in lift, but I continues to ever so slowly
loose altitude. It never
shows an increase, and hence never tracks the
setpoint. Now, this could
be a function of my S&C derivatives, so
maybe I'll go and revisit them.
Earlier, you mentioned controlling
the <OUTPUT> portion of the FDM. Why is
it that the aircraft reacts differently when
different options are enabled? With the
right subset enabled, it fly's pretty well, but
without, it's a disaster
thanks
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