The Free Press created 3D virtual tours of the boat while it was out of the water at a Toledo dry dock for repairs to the hull. The boat's hull has since been painted and the Columbia will soon re ...

Test results of the different boat propeller designs. (Credit: rctestflight) Interestingly, the 2-blade FDM-printed propeller ended up performing the best, while the bi-blade design (with two sets ...