Arduplane with second pixhawk

Would like to setup a second pixhawk that would crash the plane (full down elevator) if for whatever reason the plane has deviated more than 100 m buffer from the geofence set on the main pixhawk.

 This is for additional safety and would also ensure that if the 1st (master AP)  goes bonkers could still command the plane to crash.

 Would anyone know if this is possible to implement.


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  • AFS_Faisafe looks good, thanks I hadn't realised it went into the master.


  • I think that the easiest way is to make a mechanical solution so there is a servo that can force elevator down whatever position the normal elevator servo has.

    But why not release a rather big parachute, unlatch the tail (split the plane i two peaces) or release the main wing?

    There are many ways to crash a plane :-)


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