[Jsbsim-cvslogs] Power paraglider and pilot accelearions

[Erik H. <er...@eh...>]

Hi,

For FlightGear I've updated the paraglider model (a ram-air parachute 
FDM with an added pilot at an offset) with a small engine.

If I do not use the engine and turn left or right everything is within 
limits.

However, once I start the engine (which is also at an offset, strapped 
to the back of the pilot) something happens which causes 
Auxiliary->GetPilotAccel(2) to oscillate between about 0.0 and a rather 
high value. Which eventually leads to NaN's spreading across and 
FlgithGear crashing.

Does anybody have any clue what might be going on?
Since the pilot (with engine) is basically a pendulum I've been thinking 
it might be a Gimbal lock of some sort but that's a wild guess.

Erik

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