How manual transmissions works in cars.

Cars need transmissions because of the physics of the gasoline engine. Ideally, the transmission would be so flexible in its ratios that the engine could always run at its single, best-performance rpm value. That is the idea behind the continuously variable transmission (CVT). First, any engine has a redline a maximum rpm value above which the engine cannot go without exploding. Second, you know that engines have narrow rpm ranges where horsepower and torque are at their maximum. For example, an engine might produce its maximum horsepower at 5,500 rpm. The transmission allows the gear ratio between the engine and the drive wheels to change as the car speeds up and slows down. You shift gears so the engine can stay below the redline and near the rpm band of its best performance.

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Tags: manual transmission

Uploaded by: ( Send Message ) on 16-04-2015.

Duration: 5m 0s