Unlike
conventional gearboxes with four, five, or six gear ratios, a CVT has infinite ratios, thanks to a steel drive belt and variable pulleys in the transmission.
With a two - speed system, the higher gear allows the e-motor to operate at a lower and more efficient RPM at high driving speeds, using the same principles as
a conventional gearbox with a combustion engine.
Not exact matches
And then there's the way the
gearbox operates, slicing up or down through the ratios
with a speed and precision that you couldn't hope to replicate
with a third pedal and
conventional gear - lever.
The DSG
gearbox works extremely well, giving a decent impression of a
conventional automatic under gentle use while seamlessly swapping between its seven ratios, but offering near - instant changes when driven a bit more keenly — or when over-ridden
with wither the push - pull gear selector or (optional) steering wheel paddles.
Nevermind that it weighs 1950 kg to the SL63's 1845 kg, that the V8 version uses the punchy MCT wet - clutch 7 - speed automatic
gearbox and the 65 has to make do
with the more
conventional torque - converter 7G - Tronic... And don't mention that the SLS weighs 1620 kg and uses a dual - clutch transmission.
The stepped CVT does a fairly good impression of a
conventional automatic
gearbox,
with reasonable responses and a fairly natural feel to the way the revs rise and fall, while the V6 itself is smooth and very quiet.
«We looked at having the
gearbox in the rear for ideal weight distribution but now I think we will end up
with a
conventional drivetrain
with engine,
gearbox, centre differential and real differential, as it is lighter and we can share components across the group», Reggiani continued.
The Easytronic can be driven in «manual mode» simply by using the paddle shifter selector to change gears if the driver wishes to do so, or alternatively it can be driven in exactly the same way as a fully
conventional automatic — however, many Easytronic owners have complained that gear shifts in «automatic mode» are jerky; a common complaint
with semi-autos based on a
conventional manual
gearbox.
With no
conventional gearbox to mention, the paddles behind the steering wheel serve a much greener purpose.
This transmission variant was based on the
conventional gearbox for the M3, but
with a clutch that was activated electro - hydraulically to change gears.
Gearbox choices
with the gasoline model are likely to include a
conventional six - speed manual and new seven - speed dual - clutch automatic.
Dual clutch
gearboxes can operate like a
conventional automatic, shifting through the gears seamlessly
with no direct driver input, but they can also be used in «manual» mode.
The T - GDI petrol engine will be available
with a new 7 - speed dual clutch transmission from Hyundai, whilst other models will make do
with either a 6 - speed manual or
conventional 6 - speed automatic
gearbox.
[2][9][10] When used in the latest Golf
with the 90 kilowatts (122 PS; 121 hp) engine, this new seven - speed DSG uses roughly 6 % (5.9 l / 100 km for the seven - speed DSG compared to 6.3 l / 100 km
with the six - speed manual
gearbox) less fuel than the same engine
with a manual transmission [9] and up to 20 % less than a
conventional automatic transmission.
The Komfort trim level offers your choice of either a six - speed manual
gearbox or a six - speed dual clutch automated manual, which functions similarly to a
conventional automatic
with quicker and more efficient shifting.
It is available
with a
conventional six - speed automatic
gearbox in place of the standard six - speed manual.
Both will be based on a development of the proven Aero Supersport's aluminum chassis
with the 4.8 - liter BMW V8 replaced by a new derivative of Zytek's high power - density electric powertrain driving through a
conventional manual
gearbox.
The DCT offers up to a 17 % improvement in fuel consumption and CO2 emissions performance compared
with that of a
conventional automatic transmission — i.e., performance comparable to that of a manual
gearbox.
Ford's PowerShift six - speed automatic transmission combines the efficiency and driving dynamics of a manual
gearbox with the convenience of a
conventional automatic transmission.
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.
As
with all CVT
gearboxes, there is an awful lot of noise, without any corresponding jolt of acceleration that a
conventional manual or automatic
gearbox will offer.
This new super sedan, codenamed F90, gets an upgraded, stronger version of its predecessor's powerplant but also breaks new ground at M Gmbh by becoming the first M car to have its engine coupled
with all - wheel drive and a
conventional automatic
gearbox.
You're better off either sticking
with the manual or — if an automatic
gearbox is a non-negotiable for you — waiting for the 2.2 - litre diesel to arrive in 2018, as this should come
with a
conventional automatic.
In terms of performance, the new
gearbox shares all of the benefits of the dual - clutch PowerShift concept, combining the efficiency, optimized gear ratios and driving enjoyment of a manual
gearbox with the smoothness and ease - of - use of a
conventional automatic.
A
conventional six - speed torque - converter automatic comes on lower - end 2.0 - liter models, but the 1.7 - liter turbo engine is paired
with a 7 - speed dual - clutch
gearbox.
The cars in the Biturbo family were of unibody steel construction,
with a
conventional layout of front - longitudinally mounted engine and
gearbox.
This
gearbox has all the benefits of a manual transmission in that it blends sporty manners
with excellent fuel economy, the latter reported to be 5 to 6 percent better than
with a
conventional automatic.
Offered as standard is the fast - shifting, six - speed Graziano
conventional stick - shift manual
gearbox,
with ratios perfectly matched to the performance of the V8 engine.
The Volkswagen Golf GTI
with the DSG
gearbox is also pitched against other cars
with conventional gearboxes but
with better power to weight ratio than the Volkswagen Golf GTI.
The V12 Vantage became available in the third quarter of 2009
with a basic price in the UK of # 135,000 and only
with the
conventional six speed manual
gearbox as it wasn't possible to fit the Touchtronic 2.
Both are available
with six - speed manual
gearboxes, but confusingly, the automatic options are different - the 2.0 - litre gets a
conventional six - speeder auto, and the 1.6 has a fancier seven - speed dual - clutch unit.
In combination
with its tunable launch characteristics, the dual - clutch module contributes to fuel economy comparable to single - clutch automated
gearboxes and shift quality to rival the best
conventional automatic transmissions.
A six - speed manual
gearbox is standard, but a seven - speed dual - clutch transmission can be fitted to the 1.6 - litre turbo petrol and a
conventional six - speed automatic is available
with the 2.0 - litre diesels.
Compared
with a dual - clutch transmission, not only is the ISR
gearbox much lighter, it also has smaller dimensions than a
conventional manual unit — both key elements in the field of lightweight engineering for super sports cars.
A direct - shift
gearbox (German: Direkt - Schalt - Getriebe [1]-RRB-, commonly abbreviated to DSG, [2][3] is an electronically controlled dual - clutch [2] multiple - shaft manual
gearbox in a transaxle design, without a
conventional clutch pedal [4] and
with fully automatic [2] or semi-manual control.
It gives 8 percent better fuel economy than is possible
with a
conventional four - speed automatic, and it is considerably smaller, about the size of a manual
gearbox.
You can get it
with either a Tremec manual
gearbox or a more
conventional slushbox, though both transmissions have six forward ratios.
Functions such as declutching by «paddle neutral» - which is comparable to pressing the clutch
with a
conventional manual
gearbox - and speed limiting via the Pit Speed button have been adapted from motorsport use.
The AMT
gearbox will be offered only
with the diesel engine since the petrol engine has an option of a
conventional 4 - speed automatic transmission.
With Edsel sales way below projections, Ford shifted gears in 1959 and offered the «Mile - O - Matic» transmission; this
gearbox was shifted via a more
conventional column shifter.
Unlike the IS
with its CVT automatic
gearbox, the Infiniti has a
conventional seven - speed automatic transmission, which shifts smoothly and gives the Q50 a slightly sportier feel.
It has functions such as declutching by «paddle neutral» — which is comparable to pressing the clutch
with a
conventional manual
gearbox and a «Pit Speed» button, which has been customised for pit lane cruising.
Then, three years after being first announced, the V12 Vantage S was eventually offered
with a seven speed
conventional manual
gearbox.
This transmission was based on the
conventional gearbox for the M3, but
with a clutch that was activated electro - hydraulically.
There are other reasons to splurge on the forced - induction engine — not only does it come
with a quicker - shifting seven - speed dual - clutch
gearbox (the 2.0 receives a
conventional six - speed automatic), it's also paired to a multi-link rear suspension that's fully independent.
This capability is underpinned by the DCT design principle, which effectively combines two
gearboxes in - one housing — yet
with virtually no size or weight penalty over a
conventional manual transmission.
It's now hooked up to a
conventional auto
gearbox rather than the previous dual - clutch, which couldn't cope
with the increased torque.
The new BMW 530d and the BMW 528i and BMW 523i likewise come
with new versions of the six - speed manual
gearbox optimized for efficiency
with conventional oil supply.
Featuring an innovative start - up clutch that replaces a
conventional torque converter, the seven - speed MCT (for multi-clutch technology) transmission combines the direct connection of a manual
gearbox with the lightning - quick automatic gear shifts of a Formula 1 race car.
Either model can be had
with a six - speed manual
gearbox, while the uplevel Sport is the only model to offer an $ 1,100 seven - speed dual - clutch transmission
with paddles (if you don't want to shift the base Elantra GT for yourself, you'll get a
conventional six - speed automatic as a $ 1,000 option).