BMW M5 F90 with Eisenmann Exhaust

BMW M5 F90 with Eisenmann Exhaust

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BMW M5 F90 fitted with an Eisenmann exhaust system

What is Horsepower (hp)?
Horsepower (hp) is a unit of measurement which is used to measure power in cars. One horsepower is equivalent to a horse lifting 75 kilograms by 1 meter in one second. In other words, it is 746 watts. James Watt – a Scottish engineer was the first person who compared the output of steam engines with the power of draft horses. He deemed that one horse could do 33,000 foot-pounds of work a day and it is useful being a consistent unit for measuring the power of a car engine.

马力(hp)是用于测量汽车功率的度量单位。一匹马力相当于一秒钟内举起75公斤重1米的马匹。 换句话说,它是746瓦。 詹姆斯·瓦特(James Watt)–苏格兰工程师,是第一位将蒸汽机的输出功率与抽水马力进行比较的人。他认为一匹马每天可以完成33,000磅的工作量,这对于测量汽车发动机的功率是一个稳定的单位很有用。

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