A manual transmission is from what I understand just a set of gears on these two lil lines that connect and disconnect from eachother with the clutch, whereas an automatic transmission has a whole different thing with planetary and sun gears and stuff. My question is, why? Can’t the ECU just take a normal manual transmission gear mechanism and shift it as if a person were doing it; why do automatic cars utilize this whole new gear system?
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Today, sure. Back in the ’20’s when the automatic transmission was invented and ’40’s when they became more widely adopted no they couldn’t have. Back then gear changes were controlled by the vacuum of the engine.
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