The Xtronic transmission offers a wide
gear ratio range of 7.3:1 through use of a sub-planetary gear and smaller pulleys, resulting in high - speed fuel efficiency and responsive acceleration.
This new setup not only improves the efficiency of belt operation, but it also enables the adoption of wider gear ranges, thereby realizing a class - leading
gear ratio range of 7.5 for the 2.0 - liter class.
6 - speed automatic transmission The adoption of the 6 - speed AT, increased by two speeds over the base 4 - speed, enabled the overall
gear ratio range to be widened and the gaps between each gear to be reduced to achieve a better close ratio.
In the 2016 Versa and 2016 Sentra models equipped with third - generation XTRONIC transmission,
the gear ratio range from low to high is expanded.
The next - generation CVT design features an innovative structure combining conventional CVT belt operation with an auxiliary gearbox and a significantly increased
gear ratio range.
The CVTi - S offers a forward
gear ratio range of 0.396 to 2.480, which works well for acceleration, cruising speeds, and fuel - conscious driving with a 4.761 final drive ratio.
A wide
gear ratio range allows for strong acceleration from a standing start and the D - Step shifting logic allows rapid shifts at high throttle openings.
Not exact matches
Morgans analyst Belinda Moore said this shouldn't hinder Murray Goulburn's planned upgrades to its factories, part of its shift from producing commodities to higher value - added products, because its
gearing ratio would be about 43 per cent — well within its policy
range of 30 to 60 per cent.
After working over the last month on a wide
range of combinations of blade designs and
gearing ratios to perfect their entries, on March 8th, three teams from Mr. Dusharm's Alternative Energy class traveled to SUNY Polytechnic in Utica for the STEM Exploration Showcase.
Because Two - Mode is a second - generation approach conceived by transmission experts instead of engine specialists, gasoline and electric power sources are more ingeniously combined with fixed and variable
gear ratios to achieve higher efficiency over a broader
range.
It helps that this engine spreads its 177 lb - ft of torque across a broad rpm
range, and the automatic transmission swaps
gear ratios not only quickly but also smoothly.
It is monumentally fast, sounds absolutely out of this world, has a
gear change — and, more to the point, a new shorter set of
gear ratios — that will fray the outer edges of your imagination with its brilliance, and its chassis has mostly been improved to create a deeply seminal
range of abilities — on both road and track.
Move over to the SKYACTIV - X plot and we see that the engine is so economical throughout the
range, that the
gear ratios can be lowered.
The PTU can switch between the two
gears in about a tenth of a second, and it chooses its
gear ratio solely base on what the rear transmission is doing: in first and second
gears, the PTU is in its low
range.
The wide -
ratio box helps give the machine its breadth of capability, from a super-low crawl
ratio of 2.93:1 in low
range, first
gear, to blasting down the highway to an electronically limited top speed of 149 mph in ninth.
The continuously variable transmission does not use toothed
gears like a fully automatic transmission does to achieve
gear ratios but instead relies on a pulley system that allows for an infinite
range of
gear ratios.
Low
Range usually has at least a 2 - 1
gear - reduction
ratio, making slow - speed maneuvers and / or pulling tree stumps out of the ground much easier.
A continuously variable transmission (CVT) has a nearly infinite
range of
gear ratios.
Honda's Continuously Variable Transmission (CVT) is standard equipment on the Civic Hybrid and provides a 9 percent wider
range between the maximum and minimum
gear ratios to enhance acceleration and minimise engine rpm at high speeds.
with a wide spread of
gear ratios that keeps engine rpm in the right
range for the task — whether putting in a full day of off - road work or highway cruising.
The 10th
gear ratio is expected to be in the 0.6:1 to 0.64:1
range.
The CVT, a transmission that uses one continuous
range of
gear ratios like a snowmobile or ATV, as opposed to a fixed number like a traditional six - speed, might be technically superior in efficiency and for returning better fuel economy, but for a lot of drivers it just felt weird.
The LR3 conforms to that tradition, with 3.73
gears in the axles, a 4.17 First
gear, and a 2.93:1 Low -
range gear for a maximum crawl
ratio of 45.57:1.
Both have low -
range and driver aids like hill descent control and hill start assist, and while the Everest has a marginally lower first / low
gear ratio (1:15.6 v 1:14.1), the Prado actually feels more settled in this
gear on steep descents, requiring less braking input.
High / Low
Range Gearing offers stability on rough terrain, while a trio of rear axle
ratios, 3.21, 3.73, or 4.10, are available to choose from depending on the model.
The new automatic 9 - speed gearbox of the Mercedes shifts smoothly and is very flexible thanks to a wide
range reduction
ratio between the first and the ninth
gear.
Adding to its superior capability, the acclaimed Rock - Trac ® transfer case with a 4:1 low -
range gear ratio is standard on Rubicon ®.
Trail -
Gear offers replacement
gear sets with
ratios as deep as a 6.5:1 low
range and 1.7:1 high
range.
Right, but this one actually does the trick, benefiting from a wider
range of
ratios and programming that produces crisp «shifts» whether left to its own devices or shifted manually via the
gear lever or steering column - mounted paddles (exclusive to the SR trim, which I'll talk about more shortly).
Instead of fixed
gears, the continuously variable transmission (CVT) uses a steel belt and drive pulleys to allow for a wide
range of potential drive
ratios.
The all - new 2007 Jeep Wrangler Unlimited Rubicon model features an Off - Road Rock - Trac ™ NV241 two - speed transfer case with a 4.0:1 low -
range gear ratio, as well as electric front - and rear - axle lockers, Active Sway Bar System and 32 - inch B.F. Goodrich Off - road tires.
Four - wheel - drive Jeep Wrangler Unlimited X and Sahara models feature the second - generation Command - Trac ® NV241, part - time, two - speed transfer case, featuring a 2.72:1 low -
range gear ratio.
The limited edition ST200 is the flagship of the
range, featuring Storm Grey paint, a full bodykit, unique 17 - inch alloy wheels, lowered suspension, shorter
gear ratios and a host of upgrades.
To calculate a crawl
ratio, multiply the First -
gear ratio in the transmission to the axle
ratio to the transfer - case low -
range ratio.
GM's base FWD 2 - mode system incorporates two electric motors, two planetary
gear sets and a system of four hydraulically - applied wet - plate
range clutches to deliver two continuously variable speed -
ratio ranges (modes) and four forward fixed
gear ratios.
To engage the low
gear range, Toyota opens the conventional planetary gearset's brake 1 and locks brake 2, resulting in a reduction
gear ratio of 3.900.
Its wider spread of
ratios from lowest to highest
gear enhances acceleration and response across the
range of driving speeds.
The
gear ratio of the transfer case is then changed from 1.00 in HIGH
RANGE to 2.93.
The overall
gear ratio selected provides a balance between the amount of tractive torque available from the electric motor and the vehicle speed
range available before the EV mode is disengaged at higher vehicle speeds.
Compared with a conventional automatic transmission, which shifts among up to five
gear ratios, a CVT uses the entire
range of
ratios between low and high
gears.
Transmission duties are taken care of by a 9 - speed automatic gearbox that is claimed to offers greater
range of
ratios and shorter steps between
gears.
The greater the disparity in size between these two pulleys, the greater the
range of
gear ratios, efficiency and performance the transmission can offer.
A two - speed transfer case with a crawl - worthy 2.72:1 low -
range gear ratio gives the WWW its improved off - road chops.
The beefier Rock - Trac system features a 4.00:1 low -
range gear ratio (versus 2.72:1 for Command - Trac) and is standard on Rubicon models, which also feature beefier axle sets and locking differentials front and rear.
What makes the CVT special is that rather than use the
gear shifting mechanism characteristic of traditional transmissions, it goes with a seamless change through a continuous
range of effective
gear ratios.
Its rear Electronic Limited - Slip Differential enhances traction on the road and off, and the 2.72:1 low -
range gear ratio provides legendary Jeep ® brand off - road capability.
Once up to speed, it switches to the belt - type drive more conventional to a CVT that can nonetheless mimic a 10 - speed transmission, and boasts what Toyota calls the widest
range of
gear ratios in the car's class.
Active Drive Low, standard on the Trailhawk, adds a low
range and a 20:1 crawl
ratio in first
gear.
Giving the electric motor an additional
gear ratio improves acceleration and pure electric
range, benefiting both driving dynamics and CO2 emissions.
The wide operating
range of a typical electric motor, which provides maximum torque from zero RPM, has led most EV producers to use a single transmission
gear ratio.