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 ...

Although most of Davis’s designs are built for pleasure boating and cruising, that’s about to take a new tac. He recently drew the lines for his newest and biggest boat yet. A 28-foot cat boat ...