double-declutch

Definition

Cars & Driving

  • verb to change gear using the following technique: declutch, move the gear lever into neutral, let in the clutch, press the accelerator (when changing down) to raise the engine and gearbox rpm to the level needed in the lower gear, let out the clutch again quickly and move the gear lever into the lower gear (before the gearbox shaft rpm drop too far); when changing up there is no need to depress the accelerator when in neutral, but it is often necessary to pause in order to let the gearbox shaft speed drop to the right level
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