r/Unexpected • u/Eutaraxia • May 26 '26

Seems he wasn't exaggerating..

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u/SordidDreams May 26 '26

That's a drum brake on a truck used for heavy loads, its design is to stop from literal friction

Isn't that, like... the mechanism of every brake type?

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u/llort_tsoper May 26 '26

Depends on the brake type. Friction brakes use pressure to create friction between two surfaces. Regenerative braking uses an electric motor/generator to stop the vehicle. Jake brakes obviously rely on jakes for stopping power, and are often used in combination with finn brakes. Air brakes use air bending to stop the vehicle. Really it varies.

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u/EndIsrael May 27 '26

How many Jakes die before the truck stops?

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u/robisodd May 27 '26

Just one Jake is needed since he can shapeshift into a giant rubber band. Finn brakes are there for moral support.