The core of the project is a brushless DC motor originally intended a hydrofoil which is capable of providing 11 pounds (about 5 kg) of thrust. [Braden] has integrated it into a 3D-printed fin ...

Sure, that configuration is just fine for rc plane and multicopter enthusiasts, but for roboticists looking to drive these bldc motors in a low-speed-high-torque configuration, the searches come ...