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#1
10-09-2019, 05:33 AM
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How in the world the automatic gerabox know how to change gears?
I undsterteand the principles of the automatic gearbox. They are planetary gearboxes, like the semiautomatic geraboxes that camed out in the '30's.
But I can't figure out one thing: how the gearbox knows how to change speeds? How the command mechanism works? 
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