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V-tail with split control surfaces

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@fabianr wrote:

Hey Ardupilot-Community!

On a v-tail I have split control surfaces on each side, so four in total. The two servos on each side are mounted opposite each other, so they require reversed signals.
I tried using the vtail mixing option on arduplane 3.7.1, with the elerudders on channels 2, 4, 6 and 7, with 2 and 4 being the normal elevator and rudder channels and 6 and 7 being a reversed elevator and reversed rudder.
The vtail mixer however only affects the channels 2 and 4 and not all "elevator" and "rudder" output channels, so half the surfaces in the tail are not acting as a vtail.
The .param file is attached.

Is there a way to elegantly fix this in the software? I'd like to avoid using extra hardware like servo reversers or external vtail mixers if possible.

Thanks for the help!

vtail_split.param (11.3 KB)

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