I've got some values that seem to work in the current autopilot code with the
c310.  They are:

min_climb = 85.0 kts
best_climb = 107.0 kts
TargetClimbRate = 1500 fpm

Also there is this adjustment factor (code snippet from newauto.cxx aprox line
697):

// calculate proportional error
prop_error = error;
prop_adj = prop_error / 4000.0;

The numbers for the c172 are  70, 75, 500, 2000.0 (in the same order as those
listed above).

If someone could spec the XML (which file and keywords) I'd be glad to modify
the autopilot code to use them.  What should this adjustment factor be called?
 It basically strikes a balance in a simplistic way between over and under
adjusting elevator trim.

It's not as good as it could be, but it'll provide a basic altitude hold
function for now.

Best,

Jim


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