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Re: 4-speed gear automatic gearbox
Not sure if anyone has ever done it before, but from a practical standpoint, I can't imagine a situation that would justify the complexity and relative bulk of a 4-speed gearbox.
From a design standpoint it's relatively straightforwards. It would just be either the addition of an extra shifter stage (if you wanted to try to use COTS shafts/parts), or a custom shifting shaft and multiple-position cylinder/actuator.
If you wanted all four speeds on the same shaft, you'd probably find it easiest to use a custom ballshifter. (Though I don't have any experience with >2 speed drives.)
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Last edited by wasayanwer97 : 02-05-2014 at 01:49.
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