I noticed that the Piper Warrior II (pa28-161) YASim flight model is
no longer converging. The model itself hasn't been touched since
2004, and it was working a couple of months ago, so I'll guess that
recent YASim code changes have broken it. Here's what I get with
--log-level=debug:
WARNING: Legacy engine definition in YASim configuration file. Please fix.
YASim solution results:
Iterations: 10002
Drag Coefficient: 23.9359
Lift Ratio: 99.2994
Cruise AoA: -0.357463
Tail Incidence: 0.0942495
Approach Elevator: 0
CG: -2.475, -0.027, -0.076
YASim SOLUTION FAILURE:
Solution failed to converge after 10000 iterations
I'm going to try to debug the problem, but it would be helpful to know
where I should start looking (i.e. where YASim has recently changed
its behaviour). Any suggestions?
Thanks, and all the best,
David
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