From: Agostino De M. <ago...@un...> - 2008-02-20 18:05:36
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Quoting Fabian Grodek <fab...@gm...>: > As far as I understand, it is not possible to simulate an airplane flight > without an autopilot. Some days ago Tony Peden explained that even without > lateral inputs, the lateral acceleration will not be exactly zero, and > lateral acceleration will develop after some time. Well, this happens after > less than one second if I remove the ap/attitude_hold and ap/heading_hold in > the c1723.xml script file. > Indeed, I see there is no script sample in the repository for a > wings-leveled flight without autopilot. > I also tried a simulation with all the lateral coefficients fatored by zero, > but that didn't help. Besides Y-force You should have also set to zero the following sources of lateral-directional motions: roll, yaw, P_factor (make sure also thrust is symmetrical). If you have all those contribution constantly zero the you end up with a 3DOF motion. Agostino |