The idea is to get the stock brushless motor from an old CD/DVD drive to power an rc airplane, let's see if it will work. It ...

DeWalt packages several tools, batteries and sometimes bags together for dome combo deals, but are they worth it? We scoured ...

Electric vehicles are known for plugging in – but one startup wants them to simply soak up the sun instead. Bako Motors is building compact electric cars and cargo vans with solar panels on the roof, ...

Abstract: We propose an improved method for angular displacement estimation based on Hall-effect sensors for driving a brushless permanent-magnet (PM) motor. The control current with an angle that ...

Abstract: This paper deals with the effects of permanent magnets (PMs) shapes and segmentation types on the trapezoidal degrees of the back electromagnetic force (EMF) and torque characteristics and ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, ...