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From: PolicySpy on 13 Apr 2010 20:10
There is a fuel-cell car currently being leased to consumers in
southern California. It's the Honda Clarity but also MB was said to
have a fuel-cell car for the U.S. market in 2010.

Now the fuel-cell car fuels with hydrogen, takes oxygen out of the
air, produces electricity, runs an electric motor, and sends water out
the tailpipe. And the advantage of the fuel-cell vehicle over the plug-
in electric-vehicle is that the fuel-cell car has easier fueling,
lighter vehicle weight, a lower cost of battery replacement, and a
longer travel range.

There are a couple of things to know about the fuel-cell car. The
first is that there are a limited number of hydrogen fueling stations.
I see them, among other places, in southern California, in NYC, and in
Orlando. The second thing to know is that the fuel-cell car has a 5000
psi tank for the compressed hydrogen. And so the hydrogen tank has to
be very strong and is probably made out of carbon fiber with an outer
protective steel shell.

But the strength of the hydrogen tank leads to a structural idea. Use
two hydrogen tanks, one in the front and one in the back. Then have
the tanks as lateral stressed members of the vehicle frame to produce
vehicle strength without added weight.

Of course physicists are working on balls of carbon that store
hydrogen without it being compressed so the day might come when very
strong hydrogen tanks are not needed.

Now I included this post to a civil engineering newsgroup because
civil engineers sometimes work in aircraft structure positions and
certainly can work with bridge structures.
From: hls on 13 Apr 2010 20:24

"PolicySpy" <pintell(a)hotmail.com> wrote in message
news:2d39affb-9162-4b34-834a-f1ff2fbc619e(a)u31g2000yqb.googlegroups.com...
> There is a fuel-cell car currently being leased to consumers in
> southern California. It's the Honda Clarity but also MB was said to
> have a fuel-cell car for the U.S. market in 2010.

The time is nowhere near ripe for this.

From: Tegger on 13 Apr 2010 20:58
"hls" <hls(a)nospam.nix> wrote in
news:Rc2dnQAzsbjSlljWnZ2dnUVZ_hmdnZ2d(a)giganews.com:

>
> "PolicySpy" <pintell(a)hotmail.com> wrote in message
> news:2d39affb-9162-4b34-834a-f1ff2fbc619e(a)u31g2000yqb.googlegroups.com...
>> There is a fuel-cell car currently being leased to consumers in
>> southern California. It's the Honda Clarity but also MB was said to
>> have a fuel-cell car for the U.S. market in 2010.
>
> The time is nowhere near ripe for this.
>
>


Sure it is.

Just corral all those illegal Mexicans in Arizona, then give them all
teeny tiny knives. Set them to work cutting the H's off the O's on water
molecules, and stuffing the H's into gas containers. If they put the lids
back really quickly, the H's will stay inside. Now we easily have enough
fuel for our Honda Clarity.

Plus, if we let the Mexicans keep all the leftover O's for themselves, they
can become entrepreneurs, setting up oxygen bars for San Francisco
metrosexuals.


--
Tegger

From: Steve W. on 13 Apr 2010 21:40
PolicySpy wrote:
> There is a fuel-cell car currently being leased to consumers in
> southern California. It's the Honda Clarity but also MB was said to
> have a fuel-cell car for the U.S. market in 2010.

Honda believes it could start mass producing vehicles based on the FCX
Clarity by the year 2018

>
> Now the fuel-cell car fuels with hydrogen, takes oxygen out of the
> air, produces electricity, runs an electric motor, and sends water out
> the tailpipe. And the advantage of the fuel-cell vehicle over the plug-
> in electric-vehicle is that the fuel-cell car has easier fueling,
> lighter vehicle weight, a lower cost of battery replacement, and a
> longer travel range.

Yeah all of 240 miles MAX. per fill-up.

>
> There are a couple of things to know about the fuel-cell car. The
> first is that there are a limited number of hydrogen fueling stations.
> I see them, among other places, in southern California, in NYC, and in
> Orlando. The second thing to know is that the fuel-cell car has a 5000
> psi tank for the compressed hydrogen. And so the hydrogen tank has to
> be very strong and is probably made out of carbon fiber with an outer
> protective steel shell.

According to http://www.hondaclarity.org/fuelingstations.html
There are a total of 8 places that are able to fuel the car.
5 in S Cal., 1 in Phoenix, 1 in Chicago and one in Maryland.
Guess you may want to stay close to home!

>
> But the strength of the hydrogen tank leads to a structural idea. Use
> two hydrogen tanks, one in the front and one in the back. Then have
> the tanks as lateral stressed members of the vehicle frame to produce
> vehicle strength without added weight.

Not a good idea to have a high pressure gas storage cylinder doubling as
a stressed member of the vehicle.

>
> Of course physicists are working on balls of carbon that store
> hydrogen without it being compressed so the day might come when very
> strong hydrogen tanks are not needed.
>
> Now I included this post to a civil engineering newsgroup because
> civil engineers sometimes work in aircraft structure positions and
> certainly can work with bridge structures.
From: jim beam on 13 Apr 2010 22:58
On 04/13/2010 06:40 PM, Steve W. wrote:
> PolicySpy wrote:
>> There is a fuel-cell car currently being leased to consumers in
>> southern California. It's the Honda Clarity but also MB was said to
>> have a fuel-cell car for the U.S. market in 2010.
>
> Honda believes it could start mass producing vehicles based on the FCX
> Clarity by the year 2018
>
>>
>> Now the fuel-cell car fuels with hydrogen, takes oxygen out of the
>> air, produces electricity, runs an electric motor, and sends water out
>> the tailpipe. And the advantage of the fuel-cell vehicle over the plug-
>> in electric-vehicle is that the fuel-cell car has easier fueling,
>> lighter vehicle weight, a lower cost of battery replacement, and a
>> longer travel range.
>
> Yeah all of 240 miles MAX. per fill-up.
>
>>
>> There are a couple of things to know about the fuel-cell car. The
>> first is that there are a limited number of hydrogen fueling stations.
>> I see them, among other places, in southern California, in NYC, and in
>> Orlando. The second thing to know is that the fuel-cell car has a 5000
>> psi tank for the compressed hydrogen. And so the hydrogen tank has to
>> be very strong and is probably made out of carbon fiber with an outer
>> protective steel shell.
>
> According to http://www.hondaclarity.org/fuelingstations.html
> There are a total of 8 places that are able to fuel the car.
> 5 in S Cal., 1 in Phoenix, 1 in Chicago and one in Maryland.
> Guess you may want to stay close to home!
>
>>
>> But the strength of the hydrogen tank leads to a structural idea. Use
>> two hydrogen tanks, one in the front and one in the back. Then have
>> the tanks as lateral stressed members of the vehicle frame to produce
>> vehicle strength without added weight.
>
> Not a good idea to have a high pressure gas storage cylinder doubling as
> a stressed member of the vehicle.

really? the bulk tank trailer industry has been using the pressure
vessel as a stressed member for decades. perhaps they didn't get the memo?


>
>>
>> Of course physicists are working on balls of carbon that store
>> hydrogen without it being compressed so the day might come when very
>> strong hydrogen tanks are not needed.
>>
>> Now I included this post to a civil engineering newsgroup because
>> civil engineers sometimes work in aircraft structure positions and
>> certainly can work with bridge structures.


--
nomina rutrum rutrum
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