When NASA’s Perseverance rover landed in Jezero Crater in 2021, its primary mission was to scour the remnants of a dried-up Martian lakebed for signs of ancient life. Scientists have been focused on ...

French developer Beyond Aero has dropped the electric ducted fans seen on previous iterations of its BYA-1 hydrogen fuel cell-powered business aircraft, replacing them with pusher-configured propfans, ...

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Abstract: This paper covers a comprehensive evaluation of the winding schemes used in permanent magnet (PM) brushless motors used in a ceiling fan. Selection of slot-pole combination is made for the ...