Not exact matches
Torque is divvied up by a compound planetary
gearset; when slip is detected, an electronically controlled clutch increases or reduces the friction between the two ring gears to change the front - to -
rear distribution.
The
gearset does switch torque from the propeller shaft's longitudinal orientation to the lateral orientation necessary to drive the
rear wheels.
Instead the power flows from the final
gearset of the transmission to the front diff and the
rear diff via gears at a fixed 1:1 ratio.
The
rear liftgate and the hood are now aluminum, to lessen weight, but under that hood we still find a 3.5 - liter V - 6 engine sending its power to a planetary
gearset, what Lexus calls an electronic continuously variable transmission (e-CVT).
At the
rear axle, torque was first sent through a viscous coupling before reaching the final drive
gearset.
To make that work, our 2014 Cherokee has a low - range planetary
gearset in both its power takeoff unit and its
rear differential.
While this layout is standard for
rear - drivers, with the modern world and its AWD slap - happiness, ZF also offers a version of the 8HP with a
gearset that sends power through a shaft to the front wheels; it's always used in conjunction with
rear - drive, so there are no FWD - only 8HP applications.
Key for the stellar handling is the active
rear differential, which in fact isn't a differential at all but a
gearset with a pair of independently controlled clutches deployed when needed.
Dynamic Performance Control incorporates an advanced computer control and an innovative
rear differential incorporating two planetary
gearsets and two clutch packs that enables the system to multiply torque on an individual
rear wheel.
Some of the models feature a Gates carbon belt drive paired with an internal hub
gearset, while others are chain - driven and incorporate either a Shimano derailleur or a Rohloff hub gear, and all models have both front and
rear suspension for a smoother ride.
The Adventure model has a front suspension fork for a bit smoother of a ride, an LCD display screen, front and
rear disc brakes, LED headlight, a 21 - speed
gearset, and has 9 levels of pedal - assist.
The 24/7 model also features a 500W
rear hub motor, paired with an 8 - speed Shimano
gearset, with a 13Ah battery pack, and will go to backers of the campaign at the $ 1,199 level.