9000 RPM is faster than your screen refreshes
A technical enthusiast explains the mechanics of high-RPM car engines by comparing their speed to modern display refresh rates. The author provides an interactive web tool to visualize how different engine geometries function at high speeds.
Why it matters
It serves as an educational piece on mechanical engineering and digital visualization, demonstrating the scale of physical motion versus digital frame rates.
9000 RPM. That's how fast a modern sports car engine can rev.
I know that number, but I can't quite visualize it. The math is simple: 9000 revolutions per minute is 150 per second .
The screen on my laptop doesn't even refresh that often. 🤯
That crankshaft is spinning faster than the display you're reading this on can draw a frame.
To help picture this, I built an animation: random.ma.ttias.be/boxermotor .
Turn the ignition , hold the gas pedal or the spacebar, and it revs up to the redline.
There are 4 engine layouts in there: an inline-4, a 60-degree V6, a boxer-6 and a flat-plane V8. Each one gets its own crankshaft geometry and firing order. The pistons should move the way that engine moves under the hood.
At full throttle the whole thing turns into a blur.
Get smarter about the news
Sign up free for a feed built around what you actually care about, Dive Deeper research on any story, and the full text of every article.
Create free accountAlready have an account? Sign in