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deliver fuel to the cylinders
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change linear motion into rotational motion
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keep cylinder heads in place
Answer is #2.
When gasoline catches fire inside a cylinder, it causes the piston to slide up and down in a straight path. However, your wheels require a different kind of movement—they need to spin. This is where the magic happens: the piston is linked to a connecting rod that transfers its linear motion to the crankshaft, which then converts that straight-line movement into the rotational motion necessary to turn the wheels.
So, picture this: as the gasoline burns, the explosion pushes the piston down, and that’s just the beginning. The connecting rod plays a crucial role here, as it takes that straight movement from the piston and translates it into a circular motion through the crankshaft. This transformation is essential because it’s what ultimately gets your wheels rolling and propels your vehicle forward.
It’s fascinating how this whole process works together seamlessly. The energy from the ignited gasoline doesn’t just push the piston for the sake of it; it’s all about creating that rotational force. Thanks to the connecting rod and crankshaft working in harmony, the linear action of the piston is effectively turned into the rotational action needed to drive your wheels, making your car move down the road.
Have crankshaft questions and/or need to purchase powertrain products? Contact Gearhead Engines today!