thats what they say its gonna get..smart guys that made this..
http://www.popularmechanics.com/automotive/new_cars/4237853.html?series=19
http://www.popularmechanics.com/automotive/new_cars/4237853.html?series=19
CK5
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300 mpg??is it possible??
- Thread starter twoslo4five0
- Start date
NEK5
3/4 ton status
You bastage....I was just going to post this
If that thing works and is practical and gets anywhere near that mileage for $30,000, thise guys will be rich.
George_Pimpdaddy
1/2 ton status
looks pretty spiffy
They have single person vehicles that get 1500mpg. I don't see 300mpg being impossible just don't expect much in comfort or performance.
1500 MPG? That sounds like a stretch. What kind of "vehicle" are we talking about?
BKinzey
1/2 ton status
I'd like to see NTSA crash tests on it How will single rear wheel drive be affected by rain? Snow? Ice?
It's great these things are developing. Just need a little farther to go.
How will single rear wheel drive be affected by rain? Snow? Ice?It's great these things are developing. Just need a little farther to go.
they sais they will be available next year
I'd like to see NTSA crash tests on it
It's great these things are developing. Just need a little farther to go.
I knew a guy who had something that looked like that years ago. It was registered as a motorcycle and he had to wear a helmet when he was in it. It was single rear wheel also. I never got to run it, but it looked cool.
lectric80
3/4 ton status
The video shows them driving it. It should be a pretty cool car, but one thing to keep in mind is the one that will be out next year is the electric only version with a 120 mile range. The "hybrid" version will be out in early 2009, and should get about 300 MPG on the generator. This is important, the generator will not be used to run the vehicle, it will be used to maintain the batteries, this is how they get the 300 MPG. The generator is supposed to be very small and light, as well as a very simple engine to allow it to have a huge range.
I would love to get one for my commute, just not sure how well it would do in the snow.
I would love to get one for my commute, just not sure how well it would do in the snow.
I hope these types of cars pop up alot in the future. They might have to make a couple of mods for us in the north. I think a 4 wheeled version might do better in snow, course if my gas bill goes down that much a month I can afford to just drive the blazer when its snowy.
30 large eh? Wonder what insurance will be on these beastys????
SAE super mileage vehicle. One seat very aerodynamic and a small gasoline engine. http://www.sae.org/students/sm2007results.pdf
Is that actual 300 MPG or "equivalent" 300MPG? Some of the ratings on new electric/hybrid cars take into account a full charge at home and use the cost of that electricity and converts it to the same money spent on gas (both at today's rates).
So if you get 150 miles from your batteries and then the generator kicks in and burns 2 gallons of gas to get you another 150 miles, they call that close to 150 miles/gallon "equivalent". The car clearly gets only 75MPG in an absolute sense, but the cost of driving it is closer to that of a 150MPG car, as long as electricity is cheap.
You just have to be aware of what the different ratings are.
So if you get 150 miles from your batteries and then the generator kicks in and burns 2 gallons of gas to get you another 150 miles, they call that close to 150 miles/gallon "equivalent". The car clearly gets only 75MPG in an absolute sense, but the cost of driving it is closer to that of a 150MPG car, as long as electricity is cheap.
You just have to be aware of what the different ratings are.
120 mile range would get me everywhere I go fo a couple of days. And not buying gas would be awesome.
bp71k5
3/4 ton status
Reading the article, it's the kind you plugin to you house to recharge. In reality those get worse mileage than normal hybrids like the Prius.
I've read some articles illustrating that the power going to your house comes from a power plant that's about 80% efficient just to generate the power. You then lose another 20% of that 80% in the transmission lines to your house. Then the resulting 60% efficiently generated power, storing it in batteries gives another 20% loss to heat and other stuff, so in the end you only get to use 40% of the power generated.
Compare that to just a typical hybrid motor generating power on the fly with gasoline and the gas beats is by a lot. (no numbers to quote at the moment, but I'd have to assume it's at least 50% efficient? I guess you'd be buying less gas, but you spend a lot more on your electric bill to make up for it.
I've read some articles illustrating that the power going to your house comes from a power plant that's about 80% efficient just to generate the power. You then lose another 20% of that 80% in the transmission lines to your house. Then the resulting 60% efficiently generated power, storing it in batteries gives another 20% loss to heat and other stuff, so in the end you only get to use 40% of the power generated.
Compare that to just a typical hybrid motor generating power on the fly with gasoline and the gas beats is by a lot. (no numbers to quote at the moment, but I'd have to assume it's at least 50% efficient? I guess you'd be buying less gas, but you spend a lot more on your electric bill to make up for it.
That's the question - what is the heads up comparison. If I spend $50 more a month on electricity, but nothing on gas I come out way ahead.
blazerbones
1/2 ton status
25% is ok for gasoline engines... but they can be more efficient than that... however, the pump work done on the compression stroke + losses in exhaust/intake do not accound for the 75% loss alone. Of the useable chemical energy from the fuel, the ~70% losses in an gasser are from pump work (compression stroke mostly), engine friction (including on the power stroke), unburnt fuel, and LOST HEAT (both due to radiation AND enthalpy send out the exhause manifold). Diesels are substantially better at this. Add to that drivetrain, aerodynamic ,and rolling resistance losses and the numbers get even worse. 20% efficient max. I'm not sure about hybrids efficiency numbers, but... it sure is nice to get something back from electrical generation at the wheels (instead of friction) though...
bp71k5
3/4 ton status
Actually, I'm not surprised it's that low. I am assuming the hybrid systems are much more efficient because they generate most of their power in the most efficient power band compared to standard motors which deal with idling at stop lights and stomping on the gas to accelerate.
I suppose the real mileage will depend on lots of factors, but everything I've heard is that plugin power actually costs more in the long run, unless gas goes up a lot more. Or I should say "when" gas goes up more.
I suppose the real mileage will depend on lots of factors, but everything I've heard is that plugin power actually costs more in the long run, unless gas goes up a lot more. Or I should say "when" gas goes up more.
