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Behold the CityCAT air car, powered by compressed air.
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Re: Behold the CityCAT air car, powered by compressed air.
"Useful Info" <useful_inf@yahoo.com> wrote in message
news:1180094624.153804.189530@q69g2000hsb.googlegr oups.com... > Read all about it, here: http://Muvy.org > > More spam by the tinfoil hat site. Gotta say, they advertise the normal stuff and leave teh weird subjects until you actually look at the site. Mike |
Re: Behold the CityCAT air car, powered by compressed air.
"Useful Info" <useful_inf@yahoo.com> wrote in message
news:1180094624.153804.189530@q69g2000hsb.googlegr oups.com... > Read all about it, here: http://Muvy.org > > More spam by the tinfoil hat site. Gotta say, they advertise the normal stuff and leave teh weird subjects until you actually look at the site. Mike |
Re: Behold the CityCAT air car, powered by compressed air.
On Fri, 25 May 2007 15:38:44 -0700, Michael Pardee wrote:
> "Useful Info" <useful_inf@yahoo.com> wrote in message > news:1180094624.153804.189530@q69g2000hsb.googlegr oups.com... >> Read all about it, here: http://Muvy.org >> >> > More spam by the tinfoil hat site. Gotta say, they advertise the normal > stuff and leave teh weird subjects until you actually look at the site. > > Mike Gee...at my age, I have plenty of...uh "compressed air". Maybe I ought to look into one of these! |
Re: Behold the CityCAT air car, powered by compressed air.
On Fri, 25 May 2007 15:38:44 -0700, Michael Pardee wrote:
> "Useful Info" <useful_inf@yahoo.com> wrote in message > news:1180094624.153804.189530@q69g2000hsb.googlegr oups.com... >> Read all about it, here: http://Muvy.org >> >> > More spam by the tinfoil hat site. Gotta say, they advertise the normal > stuff and leave teh weird subjects until you actually look at the site. > > Mike Gee...at my age, I have plenty of...uh "compressed air". Maybe I ought to look into one of these! |
Re: Behold the CityCAT air car, powered by compressed air.
Uncrossposted.
Hachiroku ハチク wrote: > On Fri, 25 May 2007 15:38:44 -0700, Michael Pardee wrote: > >> "Useful Info" <useful_inf@yahoo.com> wrote in message >> news:1180094624.153804.189530@q69g2000hsb.googlegr oups.com... >>> Read all about it, here: http://Muvy.org >>> >>> >> More spam by the tinfoil hat site. Gotta say, they advertise the normal >> stuff and leave teh weird subjects until you actually look at the site. >> >> Mike > > > Gee...at my age, I have plenty of...uh "compressed air". > Maybe I ought to look into one of these! You shouldn't be around my nephew. He's seven. I guarantee you he doesn't have much compressed air. He lets it out all the time. Age has nothing to do with it. Jeff |
Re: Behold the CityCAT air car, powered by compressed air.
Uncrossposted.
Hachiroku ハチク wrote: > On Fri, 25 May 2007 15:38:44 -0700, Michael Pardee wrote: > >> "Useful Info" <useful_inf@yahoo.com> wrote in message >> news:1180094624.153804.189530@q69g2000hsb.googlegr oups.com... >>> Read all about it, here: http://Muvy.org >>> >>> >> More spam by the tinfoil hat site. Gotta say, they advertise the normal >> stuff and leave teh weird subjects until you actually look at the site. >> >> Mike > > > Gee...at my age, I have plenty of...uh "compressed air". > Maybe I ought to look into one of these! You shouldn't be around my nephew. He's seven. I guarantee you he doesn't have much compressed air. He lets it out all the time. Age has nothing to do with it. Jeff |
Re: Behold the CityCAT air car, powered by compressed air.
Jeff <kidsdoc2000@hotmail.com> wrote in news:mkL5i.63$WZ6.23@trnddc03:
> Uncrossposted. > > Hachiroku ハチク wrote: >> On Fri, 25 May 2007 15:38:44 -0700, Michael Pardee wrote: >> >>> "Useful Info" <useful_inf@yahoo.com> wrote in message >>> news:1180094624.153804.189530@q69g2000hsb.googlegr oups.com... >>>> Read all about it, here: http://Muvy.org >>>> >>>> >>> More spam by the tinfoil hat site. Gotta say, they advertise the normal >>> stuff and leave teh weird subjects until you actually look at the site. >>> >>> Mike >> >> >> Gee...at my age, I have plenty of...uh "compressed air". >> Maybe I ought to look into one of these! > > You shouldn't be around my nephew. He's seven. I guarantee you he > doesn't have much compressed air. He lets it out all the time. > > Age has nothing to do with it. > > Jeff > That aint "air". ;-) (it's a greenhouse gas!) -- Jim Yanik jyanik at kua.net |
Re: Behold the CityCAT air car, powered by compressed air.
Jeff <kidsdoc2000@hotmail.com> wrote in news:mkL5i.63$WZ6.23@trnddc03:
> Uncrossposted. > > Hachiroku ハチク wrote: >> On Fri, 25 May 2007 15:38:44 -0700, Michael Pardee wrote: >> >>> "Useful Info" <useful_inf@yahoo.com> wrote in message >>> news:1180094624.153804.189530@q69g2000hsb.googlegr oups.com... >>>> Read all about it, here: http://Muvy.org >>>> >>>> >>> More spam by the tinfoil hat site. Gotta say, they advertise the normal >>> stuff and leave teh weird subjects until you actually look at the site. >>> >>> Mike >> >> >> Gee...at my age, I have plenty of...uh "compressed air". >> Maybe I ought to look into one of these! > > You shouldn't be around my nephew. He's seven. I guarantee you he > doesn't have much compressed air. He lets it out all the time. > > Age has nothing to do with it. > > Jeff > That aint "air". ;-) (it's a greenhouse gas!) -- Jim Yanik jyanik at kua.net |
Re: Behold the CityCAT air car, powered by compressed air.
Michael Pardee wrote:
> More spam by the tinfoil hat site. Gotta say, they advertise the > normal stuff and leave teh weird subjects until you actually look > at the site. So, skip right to the source: http://youtube.com/watch?v=QmqpGZv0YT4 A "Beyond Tomorrow" segment, worth the watch. |
Re: Behold the CityCAT air car, powered by compressed air.
Michael Pardee wrote:
> More spam by the tinfoil hat site. Gotta say, they advertise the > normal stuff and leave teh weird subjects until you actually look > at the site. So, skip right to the source: http://youtube.com/watch?v=QmqpGZv0YT4 A "Beyond Tomorrow" segment, worth the watch. |
Re: Behold the CityCAT air car, powered by compressed air.
Fishface wrote:
> Michael Pardee wrote: >> More spam by the tinfoil hat site. Gotta say, they advertise the >> normal stuff and leave teh weird subjects until you actually look >> at the site. > > So, skip right to the source: > http://youtube.com/watch?v=QmqpGZv0YT4 > A "Beyond Tomorrow" segment, worth the watch. I think for things like the fork lifts, as well as lawn mowers, it is a great thing. It really get rid of fumes and will really help the environment. All you're doing is taking energy in one form and putting it in another. I could be wrong, but I don't see how it will increase fuel efficiency that much. Effectively, you're just making the CO2 at the electric power plant rather in the car engine (assuming the air is compressed with electric motors). I think it has many advantages like weight. And it is probably more reliable. I mean far fewer parts to break. But, I would have to see the evidence that it is really that much more efficient to believe it. Jeff |
Re: Behold the CityCAT air car, powered by compressed air.
Fishface wrote:
> Michael Pardee wrote: >> More spam by the tinfoil hat site. Gotta say, they advertise the >> normal stuff and leave teh weird subjects until you actually look >> at the site. > > So, skip right to the source: > http://youtube.com/watch?v=QmqpGZv0YT4 > A "Beyond Tomorrow" segment, worth the watch. I think for things like the fork lifts, as well as lawn mowers, it is a great thing. It really get rid of fumes and will really help the environment. All you're doing is taking energy in one form and putting it in another. I could be wrong, but I don't see how it will increase fuel efficiency that much. Effectively, you're just making the CO2 at the electric power plant rather in the car engine (assuming the air is compressed with electric motors). I think it has many advantages like weight. And it is probably more reliable. I mean far fewer parts to break. But, I would have to see the evidence that it is really that much more efficient to believe it. Jeff |
Re: Behold the CityCAT air car, powered by compressed air.
"Jeff" <kidsdoc2000@hotmail.com> wrote in message
news:b1_5i.3446$D31.888@trnddc01... > > I think for things like the fork lifts, as well as lawn mowers, it is a > great thing. It really get rid of fumes and will really help the > environment. All you're doing is taking energy in one form and putting it > in another. I could be wrong, but I don't see how it will increase fuel > efficiency that much. Effectively, you're just making the CO2 at the > electric power plant rather in the car engine (assuming the air is > compressed with electric motors). > Worse than that, air (and most gases that have low boiling points) are not very "elastic." Air has a ratio of specific heats of around 1.4, so about 1/3 of the energy is lost just to the compression and expansion. Batteries can do a lot better. The compressed air has to be used at raw pressure - that's the point, after all - and it is very difficult to make motors that can maintain efficiency over the range of pressures necessary to make the system work. It's much more like charging a giant, lossy capacitor. I'd be shocked at getting anything near 50% overall efficiency, something EVs do with ease. Mike |
Re: Behold the CityCAT air car, powered by compressed air.
"Jeff" <kidsdoc2000@hotmail.com> wrote in message
news:b1_5i.3446$D31.888@trnddc01... > > I think for things like the fork lifts, as well as lawn mowers, it is a > great thing. It really get rid of fumes and will really help the > environment. All you're doing is taking energy in one form and putting it > in another. I could be wrong, but I don't see how it will increase fuel > efficiency that much. Effectively, you're just making the CO2 at the > electric power plant rather in the car engine (assuming the air is > compressed with electric motors). > Worse than that, air (and most gases that have low boiling points) are not very "elastic." Air has a ratio of specific heats of around 1.4, so about 1/3 of the energy is lost just to the compression and expansion. Batteries can do a lot better. The compressed air has to be used at raw pressure - that's the point, after all - and it is very difficult to make motors that can maintain efficiency over the range of pressures necessary to make the system work. It's much more like charging a giant, lossy capacitor. I'd be shocked at getting anything near 50% overall efficiency, something EVs do with ease. Mike |
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