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06-11-2008, 02:36 PM | #1 | |
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Toyota promises plug-in hybrid vehicle in U.S., Japan and Europe by 2010
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06-11-2008, 02:42 PM | #2 |
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It seems to me that once you go plug in hybrid or total electric then why not put a solar panel on the roof? Would the sunlight gathered not amount to being worth it?
Im not thinking it would replace the need for a plug but if you intend to park it outside anyway. It would save you money on your electric bill. |
06-11-2008, 02:47 PM | #3 |
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^^
Also, put a wind genarator (s) placed around the car.When it gets up to speed the turbines spin recharging the battery.Add regenerative braking,solar roof,etc. |
06-11-2008, 02:50 PM | #4 |
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i would think that the wind generator would not produce enough energy to be efficient since you have the additional drag from the turbine. Thats what i thought at least.
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06-11-2008, 02:51 PM | #5 |
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I think turbines would make too much wind resistance at speed to be able to justify the electricity recuperated. The solar panels would be a neat idea but keep it mind, they have those on high end cars right now and it's only really enough to keep the car cool in the heat than charge the battery but even that can be a plus since if you run AC in your car, you'd be taking electricity and having solar panels would reduce the need to cool the car as much.
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06-11-2008, 02:52 PM | #6 |
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^^ I am really not sure.I was wondering why you never hear about it though,maybe thats why.
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06-11-2008, 03:05 PM | #7 |
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I wouldnt mind putting a wind generator in my front yard (not on the car itself). Maybe an extra solar panel that is 1 square meter or more. That combined with a full roof sized solar panel and Id bet you could get a full charge in about 5 hours of sunlight and wind.
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06-11-2008, 03:10 PM | #8 | |
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According to that site, a rotor with a diameter of under 1 meter produces 0.4kw of power with wind speed at 10 m/s. So you would have to consider the friction of having to spin a turbine, not to mention the noise and vibrations it would cause to a car while it is spinning. As well, the weight of generator it has to carry. Also, there is a mention of diminishing returns as wind speed increases, thus increasing friction and reducing the power returned. At least that's what I got from reading this graph. I could be wrong and if they managed to make a duct and folds in and under the vehicle to house two small rotors, it may help increase the range further when it is traveling on the highway where a hybrid tends to lose out its mileage. |
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06-11-2008, 03:11 PM | #9 | |
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06-11-2008, 03:17 PM | #10 |
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Thanks for the info.When I drive across Wilkes-Barre PA on the cross valley expressway,you can see the new Wind Mills on top of the mountains(pretty cool).So I have been thinking about it alot lately.
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06-11-2008, 03:20 PM | #11 |
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Not that I'm an expert in such a field, I just tried to deduce whatever information I had and tried to apply it to this context. So I could be wrong.
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06-11-2008, 03:54 PM | #12 | ||
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a wind turbine on the car for use when driving would not make sense. no system is even close to 100% efficient, so you'd inevitably add more drag than you'd generate in electricity. (and even with hypothetical 100% efficiency you'd only break even. maybe you can gain a few points of energy here and there by cleaning up the airflow around the car, but i have strong doubts about this.) |
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06-11-2008, 07:12 PM | #13 |
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I'm seeing a lot of "perpetual motion" questions lately. Do they not teach the 3 laws of thermodynamics in US schools?
Briefly re-stated: 1. You can't win. 2. You can't break even. 3. You can't quit. But... Deploy the wind turbines during the 96% of the time the vehicle is parked. Using them the 4% of time the vehicle is actually moving is a losing proposition. |
06-11-2008, 07:21 PM | #14 | |
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06-11-2008, 07:28 PM | #15 |
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what about using a turbocharger-like turbine? We use turbos to make compress air for power, but couldn't they be used to generate electricity?
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06-11-2008, 08:05 PM | #16 | |
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refer back to my post, and the post with regard to perpetual motion machines. think hard about where this energy would come from. |
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06-11-2008, 09:42 PM | #17 | |
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06-11-2008, 09:50 PM | #18 |
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If you're charging the plug-in hybrid at your house, it's probably better just to put a solar panel on your roof. You'll gaurantee better sun exposure and can put up something large enough to make a significant offset on your utility bill.
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06-11-2008, 10:58 PM | #19 |
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06-11-2008, 11:38 PM | #20 | |
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But back to Toyota: Get off the pot already. Fleet sales are not going to solve the fuel and climate problems. Consumers need plug-in cars TODAY, not three years from now. |
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06-12-2008, 01:01 AM | #21 |
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with the price with fuel all electric bill are increasing at the same time
you plug it in your home do you really think its saving money |
06-12-2008, 02:00 AM | #22 |
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06-12-2008, 03:20 PM | #23 |
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06-12-2008, 05:34 PM | #24 |
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