When I push the gas paddle, the engine speed is immediately sped up like 3 time but the car is only accelerating slowly, what mechanism is it that make cars acceleration not like the ones like bikes where the “engine” speed is the synced with the wheel speed?
In: Engineering
The gearbox.
It’s a train of gears which make it possible to choose between different levels of Speed and Force.
When you’re going up a steep hill, you want there to be a lot of force pushing, so you setting it into the first gear, will change the ratio of rotations between your engine and your drive wheels, to have very many rotations on the engine (input), while having very few rotations on the wheels (output).
Whereas when you’re driving a +100km/h on a highway, you don’t really need that much force, so you change to a higher gear, which will have a much smaller difference between the input & output gear.
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