W Insi AWD + eLSD jest technicznie możliwe przeniesienie do 2700 Nm momentu napędowego na tylną oś. Kiedyś liczyłem z jakiegoś wzoru i wyszło mi w przybliżeniu, że moment na kołach jest ok. 10-krotnie większy niż moment na silniku, ale nie pamiętam już na którym biegu, pewnie na pierwszym.
Znalazłem ogólne schematy układu:
https://auto-motor.at/Auto/Neuwagen/Aut ... ion=galery
https://www.autoblogger.de/im-blickpunk ... nn-allrad/
I tutaj jeszcze opis:
http://planer-motorshow.gmeuropearchive ... _FINAL.pdf
Adaptive 4x4: Traction on Demand
Two strong turbocharged gasoline engines under the Insignia’s hood can be delivered with Opel’s latest-generation all-wheel-drive system. The active all-wheel drive system is called Adaptive 4x4 and improves handling and stability in all driving conditions. Offering optimal traction, it was designed to make the Insignia move more dynamically. Adaptive 4x4 com-bines the best characteristics of conventional mechanical and hydraulic all-wheel-drive sys-tems.
The Insignia’s Adaptive 4x4 all-wheel-drive system consists of the following components:
• Independent rear suspension with additional H-arm
• Rear Drive Module (RDM) with Torque Transfer Device (TTD) and optional rear electronic Limited Slip Differential (eLSD)
• Three-piece double-bearing propeller shaft
• Power Take-Off Unit (PTU)
Hydraulic disk clutch plates are electronically controlled to distribute torque from zero to 100 percent between the front and rear axles. Up to 2700 Nm driveline torque can be transferred to the rear axle.
The Adaptive 4x4 thinks ahead. For example, it is fully activated whenever first gear is en-gaged even while the vehicle is stationary. As soon as the driver lets out the clutch, power is transferred to all four wheels. In contrast to many other conventional all-wheel-drive sys-tems, it is not necessary to detect front wheel slip before power is transmitted to the rear axle.
The Adaptive 4x4 control unit is fully networked with the Insignia’s other control systems like ESP and ABS. It uses data from the vehicle’s sensors - measuring wheel speed, yaw rate, steering angle, gas pedal position, engine rpm and torque – to adapt power distribution to the prevailing driving conditions. The time to calculate and adapt to a new torque distribution never exceeds 80 milliseconds.
Even the driver can influence the distribution of torque between the front and rear with the help of the FlexRide system. With the push of a button on the Sport mode of the chassis and more power will be diverted to the rear wheels for more agile handling.
The Adaptive 4x4 all-wheel drive doesn’t just improve stability and traction to the Insignia; it makes driving more fun and raises the bar on driving safety. That’s because the car is eas-ier to handle. When the limits of adhesion are approached, the all-wheel-drive Insignia is first stabilized through the action of Adaptive 4x4 before the ESP intervenes. Even in trail-ing throttle like an avoidance maneuver when the driver releases the accelerator, Adaptive 4x4 helps to stabilize the Insignia by controlling the drag torque that affects each wheel.
In the Sport variant, Adaptive 4X4 is coupled with an electronically-controlled eLSD – an electronic limited slip differential -- for the rear axle. That is another hydraulic disk clutch that supplements the all-wheel drive system. The eLSD can transfer up to 1200 Nm drive-line torque between the rear wheels to whichever has more grip. With the capability to electronically distribute the torque not only front to rear but also left to right, the Insignia provides the best possible driving stability with superior fun-to-drive. This can be proven by extraordinarily quick slalom maneuvers where the Insignia reaches top sport car performance.