Jaguar’s new electric concept supercar -- the C-X75
October 4, 2010 by Lin Edwards 
(PhysOrg.com) -- The new Jaguar C-X75 supercar concept model unveiled last week is primarily a plug-in electric car but with the added power and performance of micro gas turbines (jet engines) that would make it the fastest electric car on the road.
An electric motor on each wheel delivers 145 kW from a single floor-mounted lithium ion battery pack that gives the car a range of up to 110 km on electric power alone. When the battery runs down it can be recharged in six hours from a normal household mains outlet.
The Jaguar C-X75 (named for Jaguar’s 75th anniversary) has another option that other electric cars do not offer, which is a boost by two 70 kW micro gas turbines running on a choice of natural gas, liquefied petroleum gas, diesel or biofuels, mixed with air. The micro gas turbines spin at 80,000 rpm and can power the electric motors directly (increasing the power) or can be used to recharge the battery (increasing the range).
The micro gas turbines are extremely small and relatively cheap to manufacture. They can run at a fixed, most efficient RPM to recharge the batteries, and provide high performance and efficiency but with low emissions and low maintenance costs. Despite being a type of jet engine, the micro gas turbines are said to be low noise and produce no vibration.
Enlarge
Jaguar claims the two-seater car will be able to reach 100 km/h (62 mph) in 3.4 seconds, and will have a top speed of 330 km/h (205 mph) when the batteries and turbines are working together. The all-wheel drive produces a torque of 1,600 Nm (1,180 lb-ft). The gas turbines extend the maximum range to 900 km (560 miles), with carbon emissions of only 28 g/km with the turbines running.
The Jaguar C-X75, which was unveiled last week at the 2010 Paris motor show, is at the concept stage and may never be produced, but even if it is never marketed, elements of the design could find their way into future Jaguar cars.
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© 2010 PhysOrg.com
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Oct 04, 2010
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Oct 04, 2010
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this kind of design may actually prove to be far superior in its robustness and multi-fuel tolerance than any fuel cell might ever be.
odd that it's a jaguar design, but i guess you never know which company might have some high level executive with vision and brains squirrled away somewhere making decisions.
Oct 04, 2010
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110km vs 100km
6 hours charge vs 14 hours charge.
Oct 04, 2010
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Oct 04, 2010
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I wonder what the realistic mileage is in commuter mode?
Plenty of room on the roof to fit a solar cell which could render the car practically free to run.
Oct 04, 2010
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fixer - a solar panel large enough to power a car is about the size of a semi trailer. Check the Au. Solar Race vehicles for reference.
Oct 04, 2010
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Oct 04, 2010
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Oct 05, 2010
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I could imagine the smallest bit of gravel getting sucked into the intake and shredding the turbine. Nothing like sharing the shrapnel with your fellow motorists.
Oct 05, 2010
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I was not suggesting you RUN a car on a panel, but even a small panel can top up a battery if you park in the sun.
It's KW/Hrs that count.
Oct 05, 2010
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Add a speaker system with sound effect - Problem solved!
A great car with a good charge time that with further development could mean a commercial car that may be affordable - i hope!
Oct 05, 2010
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For normal operation the vast majority of an engine's power is not used. Using a more effecient engine design to maintain a charge on a battery bank - or to lend boost power for passing or climbing steep grades just makes good sense.
I like to see this type of research and engineering, but what I really want to see is for someone to start mass marketing this. It's time already..
Oct 05, 2010
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See http://www.greenc...-car.php
Oct 07, 2010
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A little fiddling with the exhaust system on those turbos and I'll bet you could get a bichen whine that would put a v8's roar to shame! Just imagine cranking them up while waiting at the light, they hit 80 grand, the light turns green and all four tires are smokin!
Oct 09, 2010
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The regenerator was one of the failure points of the Chrysler turbine car in the 60's because they couldn't figure out a way to mass-manufacture one cheaply.
Oct 10, 2010
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How well this works depends on how efficient the turbines are compared to similar designs that use other types of engines.
Oct 10, 2010
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