From: J (W7LS@blarg.net)
Date: Tue May 16 2006 - 22:36:49 PDT
If it worked, it could only possibly be by catalyzing the gas or
Chris Brunner wrote:
diesel-oxygen reaction. I cannot comment on that possiblity, but I can
comment on just transferring energy between electrical energy and
chemical energy. Say you take given amount of electical energy of one
Joule (1 watt-second) and use that to electrolyze some water. What you
will get is some heat loss and some chemical energy potential in the
form of free hydrogen gas and oxygen. If you recombine the two gasses
perfectly, you will liberate the stored potential chemical energy. This
will be less energy(<1 J) than you put into it in the form of electrical
energy, guaranteed. If it were otherwise, you would be first in line for
the Nobel Prize, since you would have invented free energy.
Now if the gas/air or diesel/air reaction could somehow be catalyzed
by H2 and O2, thereby creating a more complete reaction, then there
could potentially be an advantage. I know of no such problems with the
reaction. We adjust carburetors for optimal fuel/air ratios and adjust
diesel injection systems for proper balances.
Bottom line: hooey. MV content: engines. Jim
> Funny enough that this would come up now, MythBusters just did an
> episode on fuel saving devices, and they checked the electrolysis
> idea. They came to the conclusion that the quantity of power required
> to create electrolysis of the quantity to make a difference would draw
> more from the engine than it could produce on the fuel. Although they
> did get a car to run off of a Hydrogen mix injected into the carb from
> a standing tank at high flow.
>
> Chris
>
> Marty Galyean wrote:
>
>> Jack Lee wrote:
>>
>>> Hi Guys, don't recall if this has been brought up before, but
>>> thought I would run it by you and see what you think, it seems
>>> interesting...and if it works, it would be great!
>>>
>>> I see a number of companies selling these 1 quart hydrogen gas
>>> producing tanks that mount under the hood of your car or MV. You
>>> fill them with distilled water, flip an electrical switch and
>>> electrolysis cracks the water, releasing hydrogen gas into your air
>>> intake system which is immediately consumed in the engine and thus
>>> no need for pressurized storage.
>>>
>>> The theory is, the hydrogen mixes with the regular fuel, be it
>>> diesel or gasoline and air and becomes combusted in the normal way,
>>> but it produces more power and thus you let up a bit off the pedal
>>> and still get the same speed. The savings is touted at 20%-40%. I
>>> find it hard to believe that a quart of water is going to emit
>>> enough hydrogen gas volume long enough to make any measurable
>>> difference in a tank of gas, but thats the claim. Also engines run
>>> cleaner and smoother. (not the first time I heard that one either)
>>>
>>> The costs per unit vary greatly from $50 to $700 and they all
>>> basically produce about the same as far as I can tell. The process
>>> seems like basic high school science, it's so simple. But, if its
>>> all that, I have wonder why we are not using them in cars everywhere?
>>>
>>> Has anyone had any experience with such a thing? Is there any cost
>>> savings here or is this another too good to be true gimmick?
>>>
>>> Here is one on ebay...
>>>
>>> http://cgi.ebay.com/Hydrogen-Generator-Save-Fuel-Gas_W0QQitemZ9726454626QQcategoryZ294QQrdZ1QQcmdZViewItem
>>>
>>>
>> More like 10% savings. And the principle is sound. The hydrogen
>> increases volumetric efficiency by giving a more complete burn of the
>> mix so you get more bang for the buck; you use more of the gas/diesel
>> than you would at lower temps.
>>
>> But your are right, you have to consider the hassle of filling the
>> distilled water tank and stuff.
>>
>> Marty
>>
>>
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>
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