Check out my building tutorial and testing VIDEO:
My other projects: http://youtube.com/c/letsprintyt?sub_confirmation=1
Everything that u need to know about building this airboat u will see and hear in the video.
This airboat is fast and powerful. For motors, it uses two 2200kv motors and 3s batteries. Steering works by 9g servo.
For the fans, I recommend using something stronger than PLA!