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⛩️🇯🇵 ⛩️. 1991, the R26B four-rotor rotary engine, producing around 700 hp. powered #Mazda 787B. became the 1st #japanese car, and the 1st car with a reciprocating piston engine to win the #LeMans 24 hours outright ... It was also the best sounding. Turn it Up Up Up 🔈🔉🔊💣
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![A bacterial flagellum is driven by a rotary engine made up of protein, and is powered by the flow of protons across the bacterial cell membrane. It rotates at ~1,000 rpm, but the rotor alone can rotate at up to 17,000 rpm. [📹 smart-biology]](https://image.24vids.com/tw-2095464537348604036/media/Exf_vs8WUAEcJFo.jpg)
