Advantage of DSG Transmission

Advantage Of DSG Transmission

·         Better fuel economy (up to 15% improvement) than conventional planetary geared automatic transmission (due lower parasitic losses from oil churning) and for some models with manual transmissions.

                   Factors in reduced fuel consumption:

                      – use of dual clutch

                      – intelligent transmission control

                      – high efficiency

                   Significantly reduced fuel consumption:

                      – 0.3 l/100 km less with 6-speed DSG

·         No loss of torque transmission from the engine to the driving wheels during gear shifts. because the change happens so quickly - around 8 milliseconds - the engine can maintain drive and the losses involved in the gear change are much reduced.

·         Shift Up to Environmental Protection Volkswagen develops environmentally friendly technologies that help reduce CO2 emmisions. CO2 emissions are cut from 144 g/km to 139 g/km.

                           

     Lower greenhouse effect over the entire life cycle:

               – reduction of 1.2 metric tons in carbon dioxide emissions with 6-speed DSG

  ·         Short up-shift time 
of 8 milliseconds when shifting to a gear the alternate gear shaft has preselected. Volkswagen's DSG takes about 8 milliseconds to upshift. Compare that to the SMT in the Ferrari Enzo, which takes 150 ms to upshift. Instant gear shifts mean faster acceleration: According to Audi, the A3 runs 0-60 in 6.9 seconds with a 6-speed manual and 6.7 seconds with the 6-speed DSG.

·         Smooth gear-shift operations

The clutch arrangement is setup for odds and evens, where clutch 1 operates the 1-3-5 gears and clutch 2 operates 2-4-6.

DSG works by allowing the software to decide what gear the car will need next, and then pre-selects it. If you are accelerating, it will have the next gear up, and likewise if decelerating, the next gear down.

·         Consistent shift time of 600 milliseconds, regardless of throttle or operational mode.

·         Combine the automatic gear-shifting of an automatic transmission, the gearbox can then tell the currently disengaged clutch (the one driving) to engage, and at the same time tells the engaged clutch (the pre-selected gear) to disengage. In this way the driver and passengers do not experience the on-off-on feeling associated with manual gearboxes. Instead, the gear change feels much more like that of an automatic gearbox.