What does RPM stand for? – WKRN News 2
It’s a common abbreviation when discussing how an engine works, but what does RPM mean?
(iSeeCars) — The automotive world has a language all its own, including a wide array of acronyms representing a similarly wide array of technical features and characterizations. In the case of “RPM”, the letters stand for “revolutions per minute” and represent the number of times an engine’s crankshaft makes a full rotation every 60 seconds, typically presented in a vehicle’s tachometer within the gauge cluster.
Because RPM measures engine speed, it plays a key role in areas related to engine specifications. It is utilized to calculate horsepower, leveraging the formula “Horsepower = Torque x RPM divided by 5252”.
Horsepower generally increases as engine RPM increases, but there’s always a sweet spot where an engine hits peak horsepower before it starts to fall off, even as the revolutions-per-minute continue to rise. This makes RPM a primary factor in determining transmission shift points for…
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source: https://news.oneseocompany.com/2023/04/15/what-does-rpm-stand-for-wkrn-news-2_2023041543560.html
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