There are now quite a few electric skateboards on the market, although they pretty much all have four wheels, are direct- or belt-drive, and top out at around 20 mph. The Speedboard is a little ...

Back in November, BikeRadar reported on a drivetrain efficiency study by Friction Facts, and our relationship with the component tester continues to bear fruit, with this installment investigating the ...

How To Drive A Direct Drive Boat? Enjoying a ride in your boat is one of many ways to enjoy the water, but they're not the only ones. Watersports include a variety of activities, including water ...

A chain is the most common form of drive on two wheels — not only motorcycles, but bicycles, too. This is not the only way to transmit power to the wheel, though. Some bikes use a shaft in the same ...

Harley-Davidsons are special. Aside from their unique "potato-potato" exhaust note, they stand apart from most motorcycles mainly due to their single-pin crankshaft design and their belt final drives.

This file type includes high resolution graphics and schematics when applicable. Across the globe, there has been significant investment into and expansion of many industrial segments requiring ...

Six Northern Power 100 kW direct drive wind turbines produce power for Unalakleet, Alaska. The turbines are owned by Unalakleet Valley Electric Cooperative. Photo courtesy STG Inc. For years, wind ...