I would like to ask which is better to design the multicopter with odd or even number of propellers? and why?
1 Answer
Simply put, it is a trade off between control complexity vs. power requirements. You should probably go with an even number, 4 or greater. Nice explanation of all the technicalities:
Why do quadcopters have four propellers?
How to choose the right propeller/motor combination for a quadcopter?