Porschenews 03/2008 To the core. The new 911.

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2. The intelligent all-wheel-drive. The new all-wheel-drive 911 Carrera 4 models and the new 911 Targa 4 models now also have Porsche Traction Management (PTM). The electronically steered multi-disc clutch determines the distribution of the propulsion force to the front axle while taking the driving conditions into account. The result: the PTM in collaboration with Porsche Stability Management (PSM) delivers the correct power distribution in every driving situation, producing excellent thrust and outstanding driving dynamics. The standard mechanical rear differential lock also assists with this. The advantage of PTM becomes clearest on wet and snowy roads. The acceleration potential here is straightforward and simply breathtaking. The result: a high degree of safety and outstanding performance, implemented with extreme intelligence. 3. The Porsche Doppelkupplung (PDK) dual clutch transmission. The new, optional Porsche Doppelkupplung transmission (PDK – see also the Technology Special) has seven gears at its disposal, divided over two transmissions and two clutches, with manual and automatic modes. When in gear, the next gear is always preselected in the 911 Carrera: Fuel consumption in l/100 km 1) : urban 15.5*/14.7**; non-urban 7.4*/7.0**; total 10.3*/9.8**; CO 2 emissions 1) in g/km: 242*/230** 911 Carrera S: Fuel consumption in l/100 km 1) : urban 15.9*/15.3**; non-urban 7.6*/7.2**; total 10.6*/10.2**; CO 2 emissions 1) in g/km: 250*/240** 911 Carrera Cabriolet: Fuel consumption in l/100 km 1) : urban 15.6*/14.9**; non-urban 7.5*/7.0**; total 10.4*/9.9**; CO 2 emissions 1) in g/km: 245*/233** 911 Carrera S Cabriolet: Fuel consumption in l/100 km 1) : urban 16.2*/15.5**; non-urban 7.7*/7.3**; total 10.8*/10.3**; CO 2 emissions 1) in g/km: 254*/242** 911 Carrera 4: Fuel consumption in l/100 km 1) : urban 15.9*/15.2**; non-urban 7.7*/7.2**; total 10.6*/10.1**; CO 2 emissions 1) in g/km: 249*/237** 911 Carrera 4S: Fuel consumption in l/100 km 1) : urban 16.5*/15.8**; non-urban 7.9*/7.5**; total 11.0*/10.5**; CO 2 emissions 1) in g/km: 259*/247** 911 Carrera 4 Cabriolet: Fuel consumption in l/100 km 1) : urban 16.2*/15.5**; non-urban 7.8*/7.4**; total 10.8*/10.3**; CO 2 emissions 1) in g/km: 245*/242** 911 Carrera 4S Cabriolet: Fuel consumption in l/100 km 1) : urban 16.8*/16.1**; non-urban 8.0*/7.7**; total 11.2*/10.7**; CO 2 emissions 1) in g/km: 263*/251** 911 Carrera Targa: Fuel consumption in l/100 km 1) : urban 15.9*/15.5**; non-urban 7.7*/7.4**; total 10.6*/10.3**; CO 2 emissions 1) in g/km: 249*/242** 911 Carrera Targa 4S: Fuel consumption in l/100 km 1) : urban 16.5*/15.8**; non-urban 7.9*/7.7**; total 11.0*/10.7**; CO 2 emissions 1) in g/km: 259*/251** *Manual transmission. **PDK. 1) The data were determined according to the Euro 5 (XXX/2008/EC) measuring procedure in the NEFZ (New European Driving Cycle) in standard equipment. The final ordinance number was not yet available at the time of printing. The information does not refer to a single vehicle and is not a part of the offer; rather it serves solely for the purpose of comparison between the various vehicle types. You can receive further information on the individual vehicles from your Porsche Centre/dealer. Preliminary values, no officially audited values were available at the time of printing. other transmission. It is thus possible to switch gears within milliseconds and without interrupting the power delivery. PDK therefore achieves clearly better acceleration rates than a conventional manual transmission. And that’s with comparable fuel consumption. Through improved responsiveness, and thus higher agility, PDK delivers higher driving pleasure than the previous converter automatic. Looking at just one example: the 911 Carrera S with PDK accelerates in just 4.5 seconds from 0 to 100 km/h. In combination with the optional Sport Chrono Package Plus, new functions can be selected for the PDK: “Launch Control” for the best possible acceleration when starting and “Race track shift strategy” for gear-shifting behaviour similar to race driving, delivering acceleration from 0 to 100 km/h in just 4.3 seconds. 4. Porsche Communication Management (PCM). Cutting-edge technology is provided in communications too, with the new, standard Porsche Communication Management (PCM). This has a touch screen and an optional universal audio interface for the first time, for the connection and convenient operation of an iPod ® for example. Upon request, a TV tuner is also available for the reception of analogue and digital television broadcasts. An intuitive operating philosophy and an optional voice control system with whole-word entry are all part of the package. 5. The design: an expression of inner strength. The new 911’s inner strength does not stem solely from technological achievements. It also comes from the consistent linking of design and functionality, as well as from day-to-day usability and sportiness. Each element fulfils a specific function and the new 911 also draws its inner strength from this. Gadgetry is unthinkable and has no place here. The very low drag coefficient of 0.29 of the new 911 Carrera is the logical consequence. Standard for all 911 models are the Bi-Xenon headlights. Indicators and the daylight driving and position lights executed in LED technology are integrated harmoniously into the separate front end lights using the exterior air intakes – for a striking visual effect. The optional dynamic cornering light has a rotatable module for the dipped beam – visible technology enabling better vision. Also newly designed is the rear. The new imposing LED tail lights are drawn far into the wing and come to a point at the outer edge. Unmistakable – especially at night. With all the pioneering technology, one thing remains undisputed: the new 911 is a 911, because it has the inner strength to become better with each generation. n You can find more information in our web special at: www.porsche.com
The Porsche Doppelkupplung (PDK) double clutch transmission As if one clutch didn’t already provide enough fun. The Porsche Doppelkupplung (PDK) double clutch transmission. Multi-plate clutch 1 Engine-/ transmission flange The Porsche Doppelkupplung (PDK) transmission with both manual gearshift and automatic modes makes extremely fast gear changes possible without interrupting power delivery. For clearly improved acceleration and lower fuel consumption – without having to sacrifice the convenience of a converter automatic. Multi-plate clutch 2 Oil pump Hydraulic control unit Input shaft 1 Input shaft 2 4th gear 2nd 6 gear th gear Drive shaft Reverse gear 1 st gear 3 rd gear 7 th gear Main shaft s The Porsche Doppelkupplung (PDK) dual clutch transmission Switching gears in milliseconds. The new PDK, available upon request for all 911 models, is based on a Porsche development and caused a sensation in Porsche race cars on the world’s race tracks back in the 80s. The new PDK has seven gears; in effect two transmissions 5 th gear integrated into one housing and – as the name suggests – two clutches. The PDK provides an alternating non-positive connection between the gearbox and the engine by means of two separate drive shafts (drive shaft 1 is inside the hollowed out drive shaft 2). The power transmission of the engine thus always runs over one partial transmission and one clutch, while the next gear is already engaged in the second partial transmission. So, when switching gears, shifting no longer takes place, rather as one clutch is opened, the other is closed at the same time. Gear changes therefore take place within milliseconds. Clutch 1 serves the first partial transmission with the odd- numbered gears (1, 3, 5, 7) as well as the reverse gear. Clutch 2 operates the second partial transmission with the even-numbered gears (2, 4, 6). The operating principle. The crankshaft transfers the engine torque to the damped flywheel. Then it is guided over the clutch housing to the multi-disc clutch – to be more precise to the respective outer slat members. By means of t The gears can be changed using switches directly on the PDK steering wheel oil pressure, clutch 1 closes and creates a power transmission with drive shaft 1. The PDK has already preselected the next gear. The engine torque already bears against the other outer slat member: at the signal for a gear shift, the overlapping shifting takes place, i.e. while clutch 1 opens, clutch 2 closes. The power transmission with drive shaft 2 is produced, which transfers the power to the wheels. The advantage of the PDK is extremely fast gear changes without interruption of power delivery, for improved acceleration ratios. The driving experience is even more sporty and dynamic, and agility is increased. The compact dimensions of the transmission reduce the rotating masses. The result: a more direct response from the engine and a lower system weight. The very high level of efficiency and the long ratio 7 th gear contribute to achieving lower fuel consumption ratios and emissions – comparable to that of a manual transmission. Together with the new engines, it was possible to reduce fuel consumption by up to 13%, depending on the model, and CO 2 emissions by up to 15%. n
Page 1 and 2: © Dr. Ing. h.c. F. Porsche AG, 200
Page 3: The new 911 Carrera models How do y
Page 7 and 8: The history of the Porsche double c
Page 9 and 10: Porsche Exclusive & Tequipment Some
Page 11 and 12: Porsche SC Global Carrera Cup Asia

Porschenews 03/2008 To the core. The new 911.

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