Which hardware for a model airplane?

I want to build a lightweight, self-flying model airplane. It should be in the style of this: https://www.youtube.com/watch?v=nn87IyFPEy4&ab_channel=AeroStuffFPV But I have a few questions now: Which flight controller should I use? (It should be compatible with Arduino) Which remote control should I buy? Which servos? What kind of GPS module? which battery? Should I buy…

FPV drone motors go to full power after 10% throttle?

Hey, after a crash, every time you push the throttle stick above 10%, the motors rev to full power and the drone flies away. The copter also makes strange noises. Before the crash, everything was working perfectly. In betaflight, the motors can be controlled individually, and I've selected acro mode. I can't find anything about…