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9000 RPM is faster than your screen refreshes

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Why This Matters

This article highlights the incredible speed of modern combustion engines, which can rev up to 9000 RPM—faster than a typical screen refresh rate—offering a fascinating perspective on engine technology and performance. Understanding these speeds underscores the complexity and engineering marvels behind automotive design, inspiring innovation and appreciation within the tech and automotive industries.

Key Takeaways

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 .

Watch the video The boxer-6 from the Porsche 911 GT3, running at 1/50th speed

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.

Watch the video The flat-plane V8 rotating past head-on: two banks of four, one crankshaft down in the vee.

At full throttle the whole thing turns into a blur.

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