Motor efficiency is calculated as the ratio between the motor output mechanical power and motor input electrical power. Figure 2 shows how motor efficiency changes over different load conditions. As ...

4 Poles 12 Slots Hi-torque Motor Design CNC Machined 6061 T6 Billet Aluminum Heatsink Can High Purity Copper Windings Maximizes Efficiency; High RPM ABEC5 Oversized Bearings Universal fit ...

can circumvent the mechanical vibration inherent in traditional bearings. However, it can exacerbate the electromagnetic vibration caused by unbalanced magnetic pull (UMP). This article investigates ...

Self-balancing two-wheelers have been explored by various bike and motorcycle manufacturers over the years, but none have ...

The openable vertical axis self-bearing motors, the novel sealless flow path design and the needed ultra high-speed potential towards 100 krpm pose new technical problems, for which this article ...

O.G. Schmidt invented the electric trolling motor in 1934 when he attached the starter motor from a Model A Ford to a flexible shaft with a propeller on the end. A fanatical angler, Schmidt used the ...

After a thorough evaluation, I found the Ride1Up Prodigy V2 to be the best electric bike overall: It has a responsive mid-motor design, low-maintenance belt drive, continuous variable transmission ...

Nashua, N.H.-based Flying Yankee Association (FYA) has launched a fundraiser to begin restoring the Flying Yankee, a ...

making it the first electric motor approved under the CS-23 standard. The approval paves the way for more powerful motors that may equip hybrid-electric... Thierry Dubois has specialized in ...

including replacing the structures that carry the electric lines through the region. The filing also notes that the installation of 21 of the proposed replacement structures will require 0.07 ...