why a car engine in high gear and low RPM starts shaking then stalls?

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Why does the engine shake when in low RPM and high gear? Why does the engine stall if you don’t have enough speed?

In: Engineering

4 Answers

Anonymous 0 Comments

Basically, your trying to make the engine do too much work for it to keep running.

The engine needs to use some of the energy it produces to keep the engine turning (literally), so if you put too much workload onto it, the engine fails to turn properly, the next cylinder doesn’t fire properly, and the whole engine stops because theirs no power being produced.

This can happen any time the RPM get too low, but its easier to get that effect with a high gear and low speed, as the gears are physical connection to the wheels, which means the engine speed and wheel speed are directly linked. so if your wheels are turning slow, they will physically slow down the engine (and be sped up by the engine in turn), which with a high gear setting at low speed, will force the engine to run to slow to keep working and cause a stall.

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