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Control surfaces inverting depending on wing shape. Inverting controls then also causes SAS to do a continious aileron roll!


MechBFP

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  • KSP Version: Initial version.
  • Operating System and version: Windows 10
  • CPU and GPU models, any other system information which could be relevant:
    • GTX 1070TI
    • i7 -8700 @ 3.2GHz
  • Description of the bug.  
    • The issue is that if you modify the shape of a wing so that the wing shape moves further towards the back of the craft then at some point the controls of the wings will become inverted for the pitch of the craft. In order to work around the issue you need to set the controls to "inverted" in the VAB. However if you do this, it also inverts the roll controls as well. While the roll controls being inverted as well is annoying, the bigger issues is that this in turn causes a positive feedback loop with SAS and your ship will do aileron rolls non stop as soon as it attempts to correct a roll. It seems that SAS does not realize the the roll controls are inverted and tries to correct the roll using the wrong direction. The only work around to the continuous roll is to disable SAS altogether and not use it. The work around for the initial inverted issue is to not change the shape of the procedural wings too much.

 

Edited by MechBFP
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