Inside every Dual Clutch Transmission are two separate
gearsets with two individual clutches.
The gears are positioned so that
the gearsets with the greatest loads (1st, 2nd and 3rd) are closest to the load - carrying bearings.
Additionally, the electronically controlled continuously variable transmission (eCVT) that links the gasoline and electric motors has undergone a redesign, replacing the second of its two planetary
gearset with a simpler two - axis design.
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.
Not exact matches
Another surprise, in this day of dual - clutch and racing - style semiautomatic transmissions, is that the GT Sport comes only
with a six - speed ZF automatic featuring a conventional torque converter and planetary
gearsets.
The only transmission option is a six - speed manual
with a close ratio
gearset.
Lexus calls it a multi-stage shift device, and it pairs a conventional CVT
with four
gearsets.
A full spool wrapped
with a 4.10
gearset spin the 42 - inch Iroks, while disc brakes slow the Colorado down.
It's backed by the 4L70 - E four - speed overdrive automatic, which enables great highway cruising performance and fuel economy
with the durability of hardened internal parts and five - pinion
gearsets.
CVT: Stands for continuously variable transmission, an automatic
with no conventional
gearsets and no pronounced steps in the shifting.
As
with all Toyota hybrid transaxles introduced from 2006 forward, it utilizes a planetary reduction gear for the traction motor in addition to the planetary
gearset that is employed as a power - split device.
The wheel
with better traction gets the extra «push» from its clutch and
gearset.
It continuously adjusts gear ratios through a planetary
gearset that more precisely matches engine output
with acceleration and fuel economy.
The front underdrive case is fit
with the stock 2.28:1 low range, while the original T - case has been upgraded
with a 4.70:1
gearset from Marlin Crawler.
Prior to shipping the car out to our West Coast, Santa Ana facility, we made a stop at Jordan Performance and Racing, where Jordan swapped out the factory oil pump for a Ford Performance Parts setup
with the billet
gearset already in place.
Five planetary
gearsets are used
with four stationary clutches and three rotating clutches, saving space.
Borrowing a trick from the performance - oriented LC 500h, the hybrid LS uses a unique transmission that combines four fixed gears
with a planetary
gearset, the latter piece common to all Toyota and Lexus hybrids from the first Prius.
Drivetrain Transmission: Stock five - speed automatic Transfer case: Marlin Crawler «Lefty»
with 4.7:1 ratio chromoly
gearset, 30 - spline output shafts
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.
The transmission houses two 60 - kilowatt (89 horsepower) electric motor / generators along
with three different planetary
gearsets and four traditional clutches.
The motor / generators work
with the planetary
gearsets, so the EVT is capable of an infinite range of gear ratios just like a continuously variable transmission.
However, it's probably more fair to compare this e-bike
with a moped - type of mini-bike than to a feature - rich «conventional» electric bike
with a full
gearset and all the bells and whistles, so perhaps the $ 950 price is appropriate for it.
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 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.