Don't be surprised to see an electric Lotus shortly

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Don't be surprised to see an electric Lotus shortly

Postby F1 LOTUS » Wed 07.01.2009, 06:50

Don't be surprised to see an electric Lotus shortly"
http://www.treehugger.com/files/2009/01 ... -evora.php
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Re: Don't be surprised to see an electric Lotus shortly

Postby Sy V » Wed 07.01.2009, 09:53

... a natural progression from the Tesla.

And don't call me 'shortly'! :poke: :wink:

Here...
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Re: Don't be surprised to see an electric Lotus shortly

Postby MattDon » Wed 07.01.2009, 11:34

Ive though lotus was uniquely positioned to take advantage of the eco movment, for some time now. I cant wait to see what they come up with.
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Re: Don't be surprised to see an electric Lotus shortly

Postby Jackonicko » Wed 07.01.2009, 11:47

The Tesla is the tip of the iceberg for Lotus' involvement in electric vehicles, don't forget the electric Mini and the Dodge EV.
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Re: Don't be surprised to see an electric Lotus shortly

Postby daveA » Thu 08.01.2009, 00:20

MattDon dont forget they all ready done an ECO ELISE , mabye next a hybrid :?:
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Re: Don't be surprised to see an electric Lotus shortly

Postby MattDon » Thu 08.01.2009, 00:39

was that the tri fuel one that could use ethenol?
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Re: Don't be surprised to see an electric Lotus shortly

Postby Jackonicko » Thu 08.01.2009, 02:23

There was a tri-fuel - the Eco had solar panels and was made of hemp and wool!

I'm pretty sure that they ran an electric Elise years ago, too.
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Re: Don't be surprised to see an electric Lotus shortly

Postby F1 LOTUS » Thu 08.01.2009, 07:05

Jackonicko wrote:There was a tri-fuel - the Eco had solar panels and was made of hemp and wool!

I'm pretty sure that they ran an electric Elise years ago, too.


That was probably the Zytec Elise
en.wikipedia.org/wiki/Zytek_Lotus_Elise
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Re: Don't be surprised to see an electric Lotus shortly

Postby markv » Thu 08.01.2009, 13:00

Jackonicko wrote:There was a tri-fuel - the Eco had solar panels and was made of hemp and wool!

The Eco was on show at the 60th Anniversary event
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Re: Don't be surprised to see an electric Lotus shortly

Postby Jackonicko » Thu 08.01.2009, 14:08

ELECTRlC LOTUS ELISE

Prototype zero emissions supercar to be unveiled in Detroit


Contact:
Richard Gotch
Market Engineering Ltd.
44-1295-277-050

Christopher A. Sawyer
Lotus Cars USA Communications
313-438-8017
For Immediate Release

A prototype 200-hp Lotus Elise, powered by two Zytek electric motors, will be unveiled at the Society of Automotive Engineers (SAE) International Congress & Exposition in Detroit, February 24-27, 1997. The vehicle will have a power-to-weight ratio equivalent to many supercars and could enter low volume production if there is sufficient demand.

"This is a really exciting project," says Zytek director Bill Gibson. "No one has ever built a fully road-ready electric supercar before, so at this stage we can only speculate on how it will feel. The driving experience will be quite astonishing."

The Zytek electric Elise is powered by two internal, oil-cooled, brushless DC motors, individually mounted on light-weight (aluminum) single ratio Zytek gearboxes. Drive is transmitted to the wheels by equal length drive shafts. The two motors combined weigh just 57.3 pounds (26 kg) and produce a total of 200 hp (150 kW).

With instant access to maximum torque anywhere in the rev range and a total weight of just 1930 pounds (875 kg), performance is expected to be exceptional. Computer simulation predicts a 30-70 mph time of just 5 seconds -- the equal of many conventionally powered supercars.

Power will come from a 300V Nickel Cadmium battery pack, split between the previous fuel tank location and ahead of the vehicle scuttle to optimize weight distribution. The choice of Nickel Cadmium ensures that performance and "throttle" response are consistent as a steady voltage is available through the majority of the discharge cycle.

Zytek's electronic control system coordinates all power-related functions and provides regenerative braking and traction control. The company believes that the high-efficiency motor and control system together help to overcome many of the limitations currently imposed by electric vehicle propulsion batteries.

Zytek has engineered the entire conversion, including the motors, gearboxes, control electronics and cooling system. Lotus is supporting the project and will ensure that the car has the best possible ride and handling characteristics,

The running gear, bodywork and the extruded and bonded aluminum chassis are retained from the standard Elise, which is sufficiently light not to need power steering or power brakes -- both areas where additional conversion work would have been required. A future phase of development will see the addition of passenger compartment heating using heat from the motor cooling oil, which is cooled by the standard Elise radiator.

If the Zytek electric Elise does enter production, the cost of the vehicle without batteries could be similar to that of the standard car. Owners may then lease batteries at a penny- per-mile cost equivalent to buying gasoline.

"Our aim is to make Electric Vehicles desirable, not just necessary through government mandate." concludes Bill Gibson. "The Lotus Elise forms an ideal test bed for high- performance EV technology."

Other electric vehicles with powertrains engineered by Zytek include the Chrysler Intrepid ESX hybrid electric concept vehicle and a zero emissions kart for indoor circuits. In the Chrysler Intrepid ESX application, the motors are hub-mounted using a Zytek- designed integrated hub, gearbox and suspension carrier.

ZYTEK ELECTRIC LOTUS ELISE SPECIFICATIONS

Maximum Power: 200 hp

Maximum Torque: 100 Nm

Weight: 1930 pounds (875 kg)

Acceleration: 30-70 mph in 5 seconds

Maximum Speed: 90 mph (electronically limited)

Driving Range: 120 miles (using the industry-standard Bosch cycle)

Recharge Time: 60 minutes to 95%

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Re: Don't be surprised to see an electric Lotus shortly

Postby Jackonicko » Thu 08.01.2009, 14:21

ELECTRIC

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ECO

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TRI-FUEL (Exige....)

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Re: Don't be surprised to see an electric Lotus shortly

Postby Jackonicko » Thu 08.01.2009, 14:50

At the www.sustainableluxury.net blog, they said:

Grow Your Own Sports Car

Posted by Timothy on 07/24/2008 at 2:44 PM
It seems like every car manufacturer is out there to prove that they can make a greener and more eco-friendly car. Though for the most part this has been focused on fuel consumption - creating hybrids, evs or hydrogen powered machines. Technologies which many would say are merely pushing the issues of negative impact around so that the cars look better but without actually reducing impact in the larger scheme of things.

But Lotus, who were involved in the design of the Tesla ev, have recently unveiled what really is a forward looking car which not only takes a more systemic approach to car design but also creates something which will actually make petrolheads go wow.

Welcome the Lotus "Eco Elise" concept car.



What makes it so special is the focus on the production methodology as well as the actual materials used. Working with a technology recently deveoped by Qinetiq, Lotus has chosen to make the Eco Elise out of natural fibres - namely locally sourced hemp and sisal. Now making a car out of natural fibres is nothing new - the Trabant, which was first produced in the 1950s, used a roof made with recycled cotton; but the beauty of the Eco Elise is that it really has been created with the 3Rs in mind.

The hemp body shell is not only more eco-friendly but also reduces the vehicle weight, increasing both fuel economy and performance. Other features are a roof embedded with solar panels to help reduce engine load and thus fuel consumption and an "eco light" - which recommends the best time to change gears to improve fuel efficiency. This alone is something I think can make a massive difference to fuel economy as it makes the driver more aware of how much fuel they are consuming.

The overall goal at Lotus is to improve their production techniques not just for the Eco Elise but for all their vehicle manufacturing by working with local suppliers, renewable energy, recycled materials, better waste management, etc.Lotus claims to have significantly reduced their energy consumption (Electricity 14%, Gas 30%, Water 11%) as well as increased the amount of waste recycling to 57%. Though it would be interesting to know what the other 43% is and how they are dealing with it.

There was no word on what the engine of the Eco Elise would be but of course Lotus is also experimenting with different power sources such as tri-fuel motors in addition to now much demanded hybrid engines.

Now of course the Eco Elise is not as eco-friendly as a bicycle but it is certainly a step in the right direction for automobile design.


So it's making the fluffy bunny tree huggers "go wow".......
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Re: Don't be surprised to see an electric Lotus shortly

Postby Jackonicko » Thu 08.01.2009, 14:56

The Tri Fuel Exige (270E) is different to the Bio Ethanol Exige (265E)....

Lotus Exige 270E Tri-Fuel driven
By Jesse Crosse
28 April 2008 10:16
At 270bhp, this is the most powerful Exige Lotus has ever built yet it is also one of the most environmentally friendly. The Exige 270E Tri-Fuel, to give it its full title, has been produced by research engineers at Lotus Engineering to demonstrate how straightforward it can be to develop high performance carbon neutral vehicles using sustainable liquid fuel.

The 270E can run on either petrol, ethanol or methanol or a blend of all three if necessary. It forms part of a research program looking into the technicalities associated with burning mixtures of petrol and alcohol fuels and since the Exige is already supercharged, also dovetails neatly with the trend towards downsizing by using smaller capacity boosted engines to improve efficiency."


as opposed to:

Lotus Exige 265E
03 June 2007 02:36
It looks like a slightly more colourful Exige - what's the story?
This is the Exige 265E - the fastest ever Exige and the first bio-ethanol Lotus. The digits 265 denote the 265PS power output, or 261bhp in old money – up 46bhp over the standard car. The 'E' informs people that this car runs on ethanol, alcohol made from the fermentation of crops, mixed with petrol. Using this greener fuel results in a claimed 70 percent reduction in carbon dioxide emissions. The Exige 265E is a development prototype created by Lotus Engineering, the Norfolk firm's fiendishly clever consultancy arm. In only five weeks between July and August 2006, its engineers completely re-engineered the Toyota engine powering the standard Exige S to run on the wheat-derived fuel. The result is the fastest road-legal bio-ethanol car (and the fastest Exige) ever built. Performance is sensational - 0-60mph flashes up in only 3.88 seconds before running out of puff at a mind bending 158mph. Who says being green is boring?

Slow down future boy! Surely this is the stuff of 2060 - not 2006...
Far from it. The technology to make all this possible is remarkably low-tech. The basic aluminium block (built for Toyota by Yamaha) is exactly the same as that fitted to the Exige S. The supercharger and intercooler combination is tweaked slightly to cope with the increase in power and the ECU has been remapped for the new fuel mix. These tweaks do nothing to make the Exige faster, the extra power is entirely down to the fuel. Ethanol burns more efficiently than conventional petrol thanks to the extra oxygen atom attached to the ethanol alcohol molecule in its makeup. In English this means the combustion process is more effective and more power can be produced.

By: Angus Fitton"


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Re: Don't be surprised to see an electric Lotus shortly

Postby F1 LOTUS » Thu 25.06.2009, 07:51

Electric Exige-based project
http://www.autobloggreen.com/2009/06/24 ... ectations/
Looks pretty good 8)
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Re: Don't be surprised to see an electric Lotus shortly

Postby Fubar1764 » Sun 23.08.2009, 09:48

I speculate all this electrical interest in the Elise comes from it's lightness. I would imagine that's why Tesla picked the Elise chassis for its car.
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Re: Don't be surprised to see an electric Lotus shortly

Postby lotos » Sun 23.08.2009, 16:52

Don't forget Dodge chose the Lotus Europa for it's electric car last year too.
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Re: Don't be surprised to see an electric Lotus shortly

Postby nitroman » Tue 25.08.2009, 09:17

Who amoung you will be the first to do an electric M100? :smt115
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Re: Don't be surprised to see an electric Lotus shortly

Postby daveA » Wed 09.09.2009, 13:40

Hi

An engine now available for an hybrid...just read this on the lotuscentral site.

http://www.lotus-central.com/index.php/ ... ealed.html

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