New Volkswagen Concept

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nissangirl74
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The 2014 XL1 is rumored to get (the equivalent of) 261 miles per gallon! :shifter:

Here's an excerpt from the article....

There's no power assist, and this system, with its great centering, as you're so directly connected to the narrow 115/80R16 front tires (145/55R16 in back), reminds us what we're missing in bigger and heavier new vehicles. On the other hand, bumps ping through the carbon-fiber (plus some aluminum) structure, exposing the lack of noise insulation, and the structure doesn't feel rigid in the way that we've become used to in today's new cars.

When we get to the soundtrack, the vintage-sportscar comparisons do fall apart. Maybe cross it with just a bit of the aural personality of a perfectly-running Trabant. Whichever reference comes to mind—maybe a motorcycle engine running at limited revs, maybe an emergency generator—the 0.8-liter diesel twin has an unusual character in a car.

That engine—think a 1.6-liter TDI lopped in half and you really won't be far off—produces 48 horsepower; and packaged with it is a seven-speed dual-clutch gearbox (DSG). Also, there's a 27-hp electric motor system sandwiched in there—fed by a 5.5-kWh lithium-ion battery. With a full charge, the XL1 can go 31 miles, while the powertrain altogether produces 68 hp and 103 lb-ft in its 'boosting mode.'



http://www.greencarreports.com/news/108 ... 61-mpg-car

Here's a pic of the concept. What do you think? Is the possibility of getting triple digit gas mileage enough to make you look twice a this?

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Bubba1
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It doesn't bother me for what it is....a hypermiling commuting machine. Though I'm not excited by the rear design or fender skirts. I wouldn't buy one for myself, but I'm sure there would be a market for them here, especially if fuel prices go up another $1/gallon.

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OriginalWheelman
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:facepalm: Why are people still building hybrids this way. Train engineers (not that kind) learned a long time ago to use diesel engines to charge batteries for the electric motors. Tying the diesel engine to the wheels just decreases efficiency.

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Looneybomber
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Put a standard 18gal tank on that thing and fill up whenever we have to change the clocks for daylight savings.
OriginalWheelman wrote::facepalm: Why are people still building hybrids this way. Train engineers (not that kind) learned a long time ago to use diesel engines to charge batteries for the electric motors. Tying the diesel engine to the wheels just decreases efficiency.
Well turning chemical energy, into heat, into mechanical, into electrical and then back into mechanical has more changes of states then if you just go chem, to heat, to mechanical. The ICE would have to be super efficient in order to overcome the losses converting mechanical to electrical and back to mechanical. That's where small turbine engines come in that can be made to run in a real narrow, but very efficient rpm range...dang the noise though. Trains and other heavy machinery (think BIG dump trucks) do the ICE to generator to electric motors because that's easier and cheaper than trying to come up with some sort of transmission. Or so I heard.

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nissangirl74
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Thanks just went WAY above my pay grade :inout:

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I'd drive it....


...if it wasn't a Volkswagen.

They'll find a way to make it require $120 spark plugs and $30/gal coolant.

BTW, this car was built a long time ago... It's called the 2000 Honda Insight.

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Jesda
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It's a science experiment, not a car.

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I wonder if it can do a donut or a J-turn.

I definitely wouldn't mind driving it at least once... but I agree with Greg. They'll put E-9 stainless steel torx bolts where everyone else puts a 10mm M6x1. You'll have to buy the socket from VW for $400 and god help you if you break/strip a bolt.

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nissangirl74
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After all of the nightmares I've heard about VW maintenance, there's no way I would own one. Not even this one, even though it is stunning

http://studiofindit.com/wp-content/uplo ... OW-014.jpg

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Bubba1
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nissangirl74 wrote:After all of the nightmares I've heard about VW maintenance, there's no way I would own one. Not even this one, even though it is stunning

http://studiofindit.com/wp-content/uplo ... OW-014.jpg

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Bex. different era. Can't compare the two. Those old microbus's were awesome. Air cooled and incredibly simple that could be fixed by anyone. (unlike the VW's of today which literally make you slaves to the local dealer). Yes, they were underpowered. GWoods would despise them as you measured 0-60 with a calendar :chuckle: , plus they made instantaneous lane changes when passed by a big truck. But they got good gas mileage, were well made, cheap to keep, and were downright fun. I went camping in a Westfalia version of that microbus once and had a blast. I'd love to have one now.

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This isn't VW's first venture into this vehicle. They did it a few years ago as well. It seems like they've been playing with the idea for a while.

As for the ICE efficiency for electrical generation, the issue is that if you design a piston engine to perform well at one RPM, you can actually get the efficiency pretty high (comparatively anyway), whereas making an ICE that will make decent power and have a "normal" powerband decreases the efficiency. My guess is that is why trains do what they do. You get more power for the fuel that way.

The issue with an automobile is expectations and noise. I promise you that if you make a vehicle like a train, people would hate it. Think about this; you're driving along quietly, and as the batteries discharge, your diesel fires up. Not at idle either. But at peak TQ (probably around 2K RPM). And it doesn't matter what you do with the throttle or the brakes. It just runs until you shut it off, or the batteries charge back up. Then it turns off. Back to your nice silent EV, until another 20 miles later it happens again.

And you could make it just run at one RPM all the time, but you're either going to hit a point where the batteries are charged, but the engine is still running, wasting fuel, or it can't keep up, and the batteries deplete anyway.

Unfortunately, people won't buy a car that's designed like a train, unless they figure out how to make a completely silent ICE....

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OriginalWheelman
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Well modern trains can get 250 mpg / ton. My Mazda would need to do close to 200 mpg to match that efficiency. They have to be doing something right. Even if cars could manage half of that it'd be a huge step forward.

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Caught a glimpse of it on the road today on my way into work. It was back in a line of cars at a red light, and my taxi whizzed by. From what I could see in that split second was that it's itty bitty, and reminds me of the endurance solar-powered car races of the 1990s.

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flohtingPoint
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261 mpg, oddly enough that's the exact distance that it takes the first CEL to come on =P

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flohtingPoint wrote:261 mpg, oddly enough that's the exact distance that it takes the first CEL to come on =P
:rotfl :rotfl :rotfl

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float_6969
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LOL!!


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