Autobritannia Range Rover Hybrid Explained

19 Фев 2014 | Author: | Комментарии к записи Autobritannia Range Rover Hybrid Explained отключены
RANGE ROVER HYBRID

Range Rover Hybrid

Our former development engineer and plant director Andy caught up with some managers at a recent Land Jaguar Group test and road tested the new Range Hybrid:

The all new Range Rover (Pic JLR)

There to be a popular belief amongst of both the media and the general that hybrid vehicles are the way in terms of fuel economy and reduction. In reality, however, is far from universally the case, hybrid drivetrains can only these benefits under specific driving conditions. To why, it is necessary to understand the of why and how hybrids can improve efficiency.

engine fuel types for a there are two basic types of system, series and parallel. hybrids do not have a conventional the engine drives an electrical directly. This generator in charges a battery pack, then provides electrical to a motor, or motors, which drive the wheels. One key benefit of a hybrid is that its internal engine can be optimised to run at one or more constant speeds selected to optimum fuel economy.

The pack is also charged regenerative braking – using which would otherwise be as heat from the brakes they are used.


Series do however tend to take up space than parallel which is why most car hybrid are parallel systems, which is the internal combustion engine into a normal automatic in the conventional way, but then has an motor in parallel with the box to provide additional power to the when required, or indeed to the vehicle to run on electric power Regenerative braking is the only of electrical power for the battery unlike a series hybrid.

The two differing Hybrid principles A Goundry)

Unless a vehicle a parallel hybrid system lots of braking, therefore, it is to be more economical than a vehicle; indeed it could be worse as it needs to carry the extra weight drag of the electrics. What does mean in real terms? it means that hybrids into their own in more duties rather than blasts – I wince whenever I see a Prius bombing down the lane of a motorway, usually their driver blissfully that they could be loads of fuel if they driving a conventional car!

not always the hybrid driver’s though, because vehicle or for that matter the media, make the significance of the type of or operating duty on which the car is clear. Full marks to Rover therefore for aiming the usage of their newly-launched at primarily A B road usage. In conditions, the Range Rover produces up to16% lower CO 2 17% better combined fuel than the equivalent conventional equipped with the same 3 SDV6 diesel engine and ZF transmission.

Even more impressive is these gains have achieved with no noticeable to the passenger and luggage space the vehicle, in marked contrast to earlier hybrid offerings the worlds’ motor industry. feat of packaging has been because the new Range Rovers Lightweight Architecture (PLA) was designed from the outset to a hybrid drivetrain as well as systems. Thus the battery for example is positioned very low under the vehicle, although protected from off-road

As well as minimising any loss of space, this location that the centre of gravity – a consideration for a vehicle with off-road capability – it kept as low as Indeed, the outward signs this is indeed a hybrid are and as far as I could see limited to very badges on the lower edge of front wing and on the tailgate.Not has the hybrid hardware been into the vehicle without interior space, even to the that a full size wheel is retained, the weight has been kept to around or so.

Not much to give the game only these discreet (Pic A Goundry)

One area of regularly voiced in connection hybrids is the potentially limited life. Range Rover no qualms about including the within their normal 3 warranty, although they that battery life of the units fitted could in well be around 10 years.  personal experience with ion batteries in hybrid buses seems entirely reasonable: to the first bus batteries have some 7 years without

As Colin Wells, Range Hybrid Product Manager Range Rover have to offer four driving for the vehicle. Firstly, EV mode, it is capable of operating for up to 2 miles on power alone. Range see this “stealth” mode as ideal for the early riser, who not want to waken the neighbourhood as set off.

Secondly, a general or mode, where the battery is recharged by regenerative braking and the motor provides propulsion than the diesel engine adequate battery capacity is

It is envisaged that this be the normal operating mode for conditions. Thirdly, Sport where both diesel and power are used simultaneously to the best possible performance. diesel only mode, the batteries are charged at every and then held at the highest charge, in readiness for the driver to a period of electric-only running.

It was that in offering the hybrid, the off-road ability of the Range was not compromised, and following extensive to ensure that off road was the equal of a conventional Range such was the confidence of the company to demonstrate these capabilities, Range Rover Hybrids on August 22 this year on an 16,000 km “Silk Road” from the home of the Range brand in Solihull to the home of the company Tata, in Mumbai, successfully traversing 13 countries in 53

Negotiating tracks so sticky mud that they were to other types of vehicle, the Rover s hybrid engine with a 35kW electric supporting the TDV6 3.0 litre engine returned excellent consumption for a vehicle so spacious and Throughout the epic journey the Rover Hybrids typically 36 to 37 mpg.

RANGE ROVER HYBRID

Hybrid prototype well underway in the Silk Trail (Pic: JLR)

Rover development engineers monitored data loggers to each car, sending more than 300 gigabytes of technical records to their team at Gaydon in the UK. The purpose of the was not to test the reliability of mechanical which were already but to fine-tune the calibration of engine and software to ensure perfectly performance in all terrains and extreme and altitudes. Technical setbacks the roughness of the road surfaces:  15 among the expedition s three Rover Hybrids and four vehicles, four wheels by deep potholes, and four cracked by stones thrown-up on surfaces.

So how does this packaged vehicle drive? In were it not for the power meter appears prominently in the impressive display in front of the driver one would expect to find a rev it looks behaves just a conventional Range Rover, the handling general driving of which has received so much that it need not be repeated Indeed, such is the refinement in operation that I had to open the at times to assure myself it was in fact at times running in mode without the diesel operating.

The only indication that it was a came after much when it eventually dawned on me the stop-start system, as now fitted as to most Jaguar Land products, was in fact delaying the of the vehicle for some seconds as it up speed after a stop, the electric motor was providing the power to pull away. In an all too road test it was not possible to get a for fuel consumption, although the consumption as shown on the computer was steadily over 30 mpg even good use of the extra power the combined diesel plus drive at legal speeds of

One measure of a good hybrid is for the cut-in of regenerative braking to being intrusive to the driver, and the Rover Hybrid is excellent in respect, with the blending regeneration and the disc brakes absolutely undetectable, yet clearly as seen by observing the battery gauge.

Downsides on the road? the only one of note was the power the needle of which tended to merrily around the scale, full-scale reading to zero and again with every in throttle opening. This in truth a bit irritating, since the eye was drawn to the needles’ movement due to its and prominence, even though it did not deliver up any information useful to the

However, I have to confess to not the handbook to gain an understanding of the messages – although how many do study their manuals closely?

The impressive digital screen, with the power prominent on the left. Note how the is configured to show only the mph for 10mph either side of the position – neat! (Pic

Range Rover has positioned the very much at the top of the market as a product, and this has inevitably some negative publicity of the bother” nature. However, driven the vehicle and considered its if I were in the market for a premium the additional feel-good factor owning such a vehicle no worse an environmental impact many a recent everyday car would certainly ensure the Rover Hybrid was on my short

For further information click LAND ROVER

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