Learn how to build a steel turbine using basic workshop tools like a drill press, hacksaw, and files. This budget-friendly project shows how to create a functional turbine suitable for energy ...

Rim-driven thrusters turn the normal propeller-motor arrangement inside out; rather than mounting the motor at the center of the propeller, they use a large hollow motor, with the blades attached to ...

In this video, we fabricate the intake for the world's first 100HP mini jet boat. We test the jet boat intake with an 18V power drill, which works successfully. So far, we have swapped a jet ski ...