PSM on GT3?
08-30-2006, 12:32 PM
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PSM on GT3?
Does the 997 GT3 have PSM?
I have an Autoweek article evaluating the GT3 which refers to PSM as being included along with PASM and TC.
The official website lists PSM on the 911 S Cabriolet and includes the statement that PSM "is standard on all 911 models" See 911s Specs under chassis. Although PASM and TC are listed for both the GT3 and TT models, PSM is not.
Anyone know?
CC
I have an Autoweek article evaluating the GT3 which refers to PSM as being included along with PASM and TC.
The official website lists PSM on the 911 S Cabriolet and includes the statement that PSM "is standard on all 911 models" See 911s Specs under chassis. Although PASM and TC are listed for both the GT3 and TT models, PSM is not.
Anyone know?
CC
08-30-2006, 08:20 PM
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TC
Traction Control reduces wheelspin under full acceleration which could destabilize the rear of the car. The standard trigger threshold for the system is purposely so high that it is rarely exceeded during normal road-driving in dry conditions. It is possible to raise the threshold higher still by pressing the Sport button on the center console. For maximum involvement, the system can be fully disabled by using the separate “TC OFF” switch. Traction Control combines three electronic control systems with one another: ABD Automatic Brake Differential, ASC Automatic Slip Control, and EDC Engine Drag Control.
PSM
PSM is an automatic control system offering valuable assistance in specific, critical driving scenarios and to accomplish this, PSM uses a range of sensors to monitor the direction, speed, yaw velocity (speed of rotation around the vertical axis) and lateral acceleration of the car. Based on this information, it can then calculate the actual direction of travel. If the car begins to oversteer or understeer, PSM applies selective braking on individual wheels to bring the car back into line. Whenever PSM is forced to intervene, an indicator light in the cockpit is illuminated.
Traction Control reduces wheelspin under full acceleration which could destabilize the rear of the car. The standard trigger threshold for the system is purposely so high that it is rarely exceeded during normal road-driving in dry conditions. It is possible to raise the threshold higher still by pressing the Sport button on the center console. For maximum involvement, the system can be fully disabled by using the separate “TC OFF” switch. Traction Control combines three electronic control systems with one another: ABD Automatic Brake Differential, ASC Automatic Slip Control, and EDC Engine Drag Control.
PSM
PSM is an automatic control system offering valuable assistance in specific, critical driving scenarios and to accomplish this, PSM uses a range of sensors to monitor the direction, speed, yaw velocity (speed of rotation around the vertical axis) and lateral acceleration of the car. Based on this information, it can then calculate the actual direction of travel. If the car begins to oversteer or understeer, PSM applies selective braking on individual wheels to bring the car back into line. Whenever PSM is forced to intervene, an indicator light in the cockpit is illuminated.
08-31-2006, 12:16 AM
#6
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ABD is only useful at low speeds it uses the brakes to simulate a limited slip, nowhere near as good as a real LSD but much cheaper.
