Meet the BlueRobotics BlueBoat: a robotic surface vessel with open source software that can be used for scientific missions. It has a rugged construction with weedless hull and propeller design. The BlueBoat can carry any payload up to 33lbs.
This robot has a deep hull shape to push weeds and debris down and out of its way. It has propellers driven by 2 x M200 motors. It comes with a navigator flight controller, GPS, and ArduoRover control firmware.