Flaps and Ailerons in Arduplane

ArduPlane
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Flaps and Ailerons in Arduplane

This probably applies to all recent versions of Arduplane, so hopefully someone can clear things up a little for me.

I am installing a Pixhawk in a Bixler 2 airframe and would like to utilize the flaps. So I have 2 servos for the aileron and 2 servos for the flaps. I can use servo splitters for each function, thereby only using 2 RC outputs from the Pixhawk, BUT, if I read the AP Docs correctly, I could put each individual servo on its own RC output from the Pixhawk, using the RCx_FUNCTION options.

So my question is, are there any pros or cons to using 2 or 4 RC outputs for flaps and ailerons?

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Separate outputs are better if mechanical precision is not perfect, or servos or wings are mirrored so one extends at high pwm, the other extends at low pwm

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For the Ailerons, they are installed such that a simple splitter would work fine. BUT for the flaps, one of the servos would need to be reversed if I wanted to use a splitter.

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