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Guest Douglas K

Pitch_Stability in FS2002pro

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Hello, Please could someone kindly tell me what the parameterpitch_stability in the flight tuning section of the aircraft.cfg file in FS2002 pro controls?I have been fiddling with it, and was wondering what effect it had.

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The pitch, roll, and yaw stability scalars control the damping effect of movement about those axes. They scale the airfile parameters (Cm_q, Cl_p, Cn_r) up or down as a percentage of the value set for those parameters. Thus, 1.0 represents 100% of the airfile parameter value, 1.1 is 110%, 0.9 is 90% etc. The pitch_stability aircraft.cfg file entry is related to pitch damping (A/C movement about the lateral axis) and it scales the corresponding airfile Rec 1101 Cm_q parameter up or down.Higher numbers for these entries will result in the A/C becoming more resistant to movement about the related axis, and it will also be more resistant to returning to its original state (pitch angle, bank angle, and heading). I could do without this "convenience" from the MSFS team (and the FS Edit utility), it oversimplifies things and results in a flight model that does a poor job of representing a real A/C. I always leave the (flight_tuning) section scalars at 1.0 and change things in the airfile.To model the pitch dynamics of a real A/C in MSFS with regard to static and dynamic stability is a more complex task than simply increasing a scalar in the aircraft.cfg file until the A/C no longer pitches wildly up and down if you sneeze while holding the joystick (although I have done just that when I first began to fool around with the MSFS flight dynamics, and it can achieve a better result than the original programming from MS). :)

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