SW Engines Blog

Don't Buy a New Car, Buy a Used Engine!

Receiving Transmissions

 

transmission gears

These little gears are what keeps your engine from outpacing your wheels.

Quick post for today: Ever wondered what a transmission does for your car?  How it works with your engine?  It’s pretty simple; the transmission’s function is to convert speed and torque.

 

Speed and Torque

 

When your engine starts to turn, it’s quickly up to high rotational speeds.  However, the wheels don’t get up to speed quite so quickly.  Or at least, if they tried, they’d get shredded.  After all, the engines are just moving pistons, while your wheels need to drag a ton of metal into action, which takes a lot of initial force.  However, the engine doesn’t work at slower speeds and needs to rotate freely.

The transmission is made up mostly of gears.  The special thing about gears is that they can change rotational speeds – perfect for changing the speed between engines and wheels.  The transition is controlled by a flywheel, clutch, or fluid coupling.  The transition has multiple gears of different sizes for different engine rotations.  Then it’s just simple switching and your car can go whatever speed you want.

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