Are we allowed to change the motors present in the tello to other ones, given that they are of similar size. May we also change the props on the tello if they do not exceed the size of the prop guards?
rule 8.3.4 states
There are no material restrictions on additional mechanisms or accessories added to the
AVR Drone, Tello Drone, RVR Fire Truck, or Sphero First Responders, provided that no
other rules are violated.
I think you are good to do whatever you want