YES, fixed it slowly and when testing, need very careful focus on motor, wire and you can use finger check check the motor temperature, etc... slowly slowly work, will make the boat more better.
yes gei. but always problems is not avaliable gear ratio, not fixed the coupling tighten or the polarity (+ and - change many times at a short period .. etc) haha, but also funny things, learn more when you fail more,.... hahaha