1. In 1872, Carl Friedrich Benz decided to make a high-profit engine as a turning point in his life. After the adventure began, Benz devoted himself to learning about engines and received a production license to manufacture four-stroke engines and two-stroke engines. In 1879, he invented the first single-cylinder gas engine.
2. On December 31, 1879, Carl Friedrich Benz built the first single-cylinder gas engine (the speed is 200 rpm, the power is about 0.7 kilowatts). After years of hard work, Benz finally successfully developed a single-cylinder gasoline engine on January 29, 1886 (unlike his rivals, Benz installed the engine on a tricycle frame) and invented the first horse-less tricycle ( Now preserved in the Automobile Museum in Munich). Mercedes-Benz Car Company obtained the patent for automobile manufacturing. It was this day that was recognized as the birthday of the automobile.
3. After several years of hard work, Carl Friedrich Benz revised the design plan again and again, assembled the engine, and received funding from the royal photographer Buehler to improve the Otto IV. Stroke engine, finally on January 29, 1886, Karl Benz successfully trial-produced the world's first single-cylinder engine three-wheeled vehicle.