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Nissan Nuvu
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Written on: 05 October 2008 [13:55]
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ecoadmin
Administrator
Topic creator
registered since: 20.07.2007
Posts: 585
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Nissan presented at the Paris motorshow with the microcar 'Nuvu' one of its latest prototypes. It is powered by an electric motor in the rear of the car and its top speed is 120km/h. Range will be 125 km with one charge of the Li-Ion batteries. The car is planned to go into production in 2010. That is if people can accept the range of 125km and the price. Lets open this thread again in 2010  Twike 890
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Written on: 07 October 2008 [21:39]
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childress
Administrator
registered since: 14.08.2007
Posts: 140
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And lo and behold, another twist in the green revolution in motoring - the roof will be laden with solar panels that will power the electric motor. From: http://www.autojab.com/paris-2008-nissan-nuvu-electric-car-concept/ Why oh why do automakers keep supporting this Myth??? Solar cells on a micro-car are worthless -- they don't have the efficiency at that surface area to offset the cost! Put them on your house, put them on upper level of parking decks. Where do you park your car when it's hot out? In the !@#%!@ shade, of course! Ok, I know why, it's marketing hype, but at some point they need to stop listening to the folks that got them into the SUV's for everyone mentality. Commute suck? Twike it; You'll like it!
http://www.uiuc.edu/goto/twike |
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Written on: 15 October 2008 [02:13]
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Lensman
 registered since: 31.05.2008
Posts: 75
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I do like the idea of putting solar cells on the roof to power fans which draw outside air into the car, keeping the car from turning into an oven when sitting in the sun with the windows up. There are a couple of EVs or plans for EVs that use this configuration. I'm not sure how much the cost is on that, tho. Perhaps some might consider it an unneeded luxury. But here in Kansas, USA, you can get burned by touching a seat or steering wheel when it's too hot! |
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Written on: 19 October 2008 [23:04]
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childress
Administrator
registered since: 14.08.2007
Posts: 140
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Lensman wrote: I'm not sure how much the cost is on that, tho. Perhaps some might consider it an unneeded luxury. But here in Kansas, USA, you can get burned by touching a seat or steering wheel when it's too hot! I sympathize -- I'm in Central Illinois, USA & Chicago. Same problem, but we park in garages and under trees to avoid it, places that make solar cells non-functional, but it's cheap  Trees are much more effcient and do a better job at cooling than blowing out the hot air once it's already inside the vehicle.It's not so much a luxury as inefficient -- the wrong place to put 'em for the biggest bang for the buck (ie, quickest payback period). Once you start looking beyond the EV itself to the total electric grid system, you can start seeing things like grid load-balancing by using the EV's charged at night during off-peak hours as a massive battery for peak usesage. Much better to build shaded parking with EV charging stations under it, and the 'shade' being provided by solar cells that can be properly oriented angle of incidence for maximum solar gain (which you can't really do on a car). Once your batteries are full on your EV, where does the power go generated by the solar panels? Nowhere. However if they're on a fixed structure tied to the grid, any extra gets dumped into the grid. It's similar to putting down-force farings and rear wings/spoilers that you'd find on a Formula 1 racer on a street car: may make it look hotter, but pretty worthless for the $$$ given the percentage of time it's used (most street cars used for commuting go between 35-55mph, way too slow for the fairings and rear spoilers to be of any effect). Much the same with putting things that work on a solar racer on an every-day car. $$$ is best spent elsewhere. I'm a primarily form-follows-function kinda guy though Commute suck? Twike it; You'll like it!
http://www.uiuc.edu/goto/twike |
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