This video follows the process of building a custom boat designed to test and compare propeller efficiency under real-world ...

For 50 years, Danish company Gori Propeller has been one of the foremost names in folding marine propellers used on sailboat auxiliary motor drives. These propellers fold into a streamlined form when ...

Sharrow Marine founder Greg Sharrow came up with his idea for a better propeller while trying to design a drone quiet enough to shoot video of classical music concerts. It was easier to test his ...

Sharrow Marine, the manufacturer of the ground-breaking “ribbon” style of propellers, now aims to provide owners of larger, inboard-powered ships with improved performance. With Australian-based VEEM ...

When comparing the efficiency of different wind turbine blade designs, [AdamEnt] found using a hair dryer wasn’t the best tool for the job. Enter his new 3D-printed wind tunnel. After several ...

Discover how to create a simple and fun DIY foam boat with a working propeller and motor in this step-by-step tutorial. Watch as we guide you through building, assembling, and successfully testing a ...