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Double lay shaft

can anyone tell me what is double lay shaft in gearbox is it one more lay shaft in gearbox, then more drive can be select? whhich types of vehcile used it?

Reply to
rayxchen
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Dunno if this is what you're asking, but Volkswagen made a double-clutch transmission:

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"These clutches are connected by concentric shafts to conventional synchro shift slider-sleeves units, the hollow outer shaft driving per example the slider-sleeves of the even ratios, (2nd, 4th, 6th ) while the inner shaft drives the ones of the odd ratios ( 1st, 3rd, 5th ). Thus the control system can pre-select the next gear while the engine is in traction. The shift is carried out under load simply by disengaging a clutch while simultaneously engaging the other."

Reply to
tylernt

thank very much~

Reply to
rayxchen

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