there is one more what should be the length of the shaft from transom to the engine mount??
i understand that the CG have to be some ware in the end of the front sponsons or not??

and i intend to remove the foam from the tab and do more reinforcements
the ESC is a air cooled heat sink i isolated the electronic with RTV hi heat resistant silicone only the heat sink is e exposed to air and the electronics is water resistance
i have run my boat with the same 3300 setup and it have a tendency to roll over in half throttle deep-v 70 cm hull but its another story ...