January project update: Thruster ready for production

We have successfully completed the development phase of our thruster and have moved into the manufacturing stage. To ensure long-term reliability and solve the common issue of water entering through a rotating shaft, we have implemented a magnetic coupling. This design allows the electric motor to remain completely sealed while still transferring power to the propeller. Additionally, we are using ceramic bearings for the propeller shaft, which are specifically designed to operate directly in salt water.

To verify this design, we built a dedicated test stand and successfully validated the magnetic coupling prototype.

As a final step toward qualifying for the Microtransat Challenge, we are preparing an endurance test where the thruster will run continuously for three months. This will allow us to confirm that the system can withstand the prolonged demands of an Atlantic crossing.

On the electronics side, we have finished the second revision of both the mainboard and the power distribution board (PDB). Following our initial testing phase, these new versions incorporate necessary bug fixes and minor performance improvements.

Finally, the assembly is reaching its final form as the boat has been painted.