Hi,
I’m building the tailsitter. 2 servos for ailerons and 2 motors.
I activated the qplane mode.
Motors configured to 33 and 34 function.
How should i configure the function for ailerons?
Is it really ailerons or elevon?
Could be good to check this long discussion : Dual-motor tailsitters
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function for elevons are 77 and 78.
if you choose q_frame_class = 10, correct parameters for motors are 73 and 74
I built the trunk. but I couldn’t find (q_enable). What is the reason . updated mission pilaner and apm 2.5
help please
we dont understand what “trunk” is…if you are trying to use an APM 2.5 flight controller for a quadplane, it is much too old and obsolete… we stopped supporting that with ArduPilot years ago…buy a modern controller…for a quadplane, I suggest the MatekF405-Wing or Matek F765-Wing (if you need LUA scripting…probably not)…
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flying wing. Tailsitter . twin engine 
Is it possible for me to do this with apm2.5? Maybe with an old Version written?
No…tailsitter support was not introduced until 3.8…last APM release for plane is 3.4…you need to spend $50 and get a modern flight controller
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Thank you very much for informing.
is radiolink pixhawk suitable for this project?
Any true Pixhawk autopilot should be fine (the minPix from RadioLink is not recommended)