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SassyMoron t1_iwfwcxu wrote

It's an air pump, really. Locomotion is just a byproduct.

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Wuntoothrie t1_iwgeesg wrote

Sort of. What this doesn't show is the synchronized explosions that force those pistons down. That little flash of light is the spark that ignites the gasses (air and gasoline, in many cases). The explosion is contained in the cylinder and pushes the piston and the arm down rotating the cam shaft.

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SassyMoron t1_iwh0r46 wrote

I think the yellow lights are supposed to symbolize that

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Wuntoothrie t1_iwh2oa7 wrote

Pretty sure that's just the spark plugs, but it would be nearly simultaneous. So you could probably pretend that it somehow is the same thing and fool the not so bright kids into learning something.

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