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  #1  
Old 12-10-2005, 04:48 PM
Huntersbo Huntersbo is offline
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Hydrogen in a pushrod V8

Can we run hydrogen in our pushrod V8s?
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  #2  
Old 12-10-2005, 05:14 PM
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Assuming you're talking about gasoline powered V8's I'll move this to the "other" alternate fuel forum.
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Old 12-10-2005, 05:59 PM
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I had seen something about doing so once, BMW was working on it, but haven't heard anything about it since seeing it that once.
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Old 12-10-2005, 10:46 PM
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Theoretically yes, if you had the induction system for it you would be able to run hydrogen just fine.
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Old 12-12-2005, 08:53 AM
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It would work but it is difficult to store Hydrogen in volume and actually propane is a better motor fuel emissions wise and easy to store and very high octane too. You could build a propane only motor that has 12 or 13 to one CR and have it make some pretty impressive power too. While it takes a heavy tank to hold propane (lighter than hydrogen though) the fuel only weight 4 lbs a gallon vs about 6.5 for gas and 8.0 for alchol and propane has about 25% more energy than alchol per gallon and by the pound it has more energy than gas and nearly 3 times the heat energy content of alchol. This heat energy is what drive a engine.
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Old 12-12-2005, 12:50 PM
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We already do run our cars on hydrogen. There is more hydrogen in a tank of gasoline than in a similar sized tank of hydrogen. I don't see why you couldn't just buy industrial hydrogen from a gas supply company, rig up a mixer and run your car on it. Can anyone do a cost analysis on this idea?
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Old 12-12-2005, 08:13 PM
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Quote:
Originally Posted by 76supercab2
We already do run our cars on hydrogen. There is more hydrogen in a tank of gasoline than in a similar sized tank of hydrogen. I don't see why you couldn't just buy industrial hydrogen from a gas supply company, rig up a mixer and run your car on it. Can anyone do a cost analysis on this idea?
By weight, there is far more carbon in the fuel than hydrogen.
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Old 12-13-2005, 08:29 AM
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Sure, but there's also more energy per unit of weight in fuel than hydrogen. So what?
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Old 12-13-2005, 09:14 AM
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Originally Posted by 76supercab2
Sure, but there's also more energy per unit of weight in fuel than hydrogen. So what?
In a liquid state which is difficult and expensive to achieve and maintain. Also it takes about $15 dollars of electricty at today industry rates to make enough hydrogen to make 4 gallons of liquid but that does not include the cost of compressing and cooling it to a liquid state and when you factor this in it can cost over $15/gal to make, store, distribute and sell liquid hydrogen with current technology. It is just not viable at this time.
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Old 12-13-2005, 11:59 AM
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No argument from me. I think fuel (gasoline) is a much better energy source than hydrogen. That's why we use it. Not sure what you were getting at with your carbon statement.
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Old 12-13-2005, 02:31 PM
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Originally Posted by 76supercab2
No argument from me. I think fuel (gasoline) is a much better energy source than hydrogen. That's why we use it. Not sure what you were getting at with your carbon statement.
Carbon is a form of energy. That what I am getting at.
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Old 12-13-2005, 05:48 PM
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Carbon is not a form of energy. Carbon is an element on the periodic table.

Hydrocarbons contain energy that can be released. In the presence of oxygen, the hydrocarbon breaks apart, releases heat, and the hydrogen and carbon combine with the oxygen.

So, very simplified, the hydrocarbon (C8H18 for example) combines with the oxygen (O2), gives off heat, and forms CO2 and H2O (also known as carbon dioxide and water). The energy is contained in the molecular bonds, that when broken, release heat.

Of course, all heat is, is the vibration rate of the molecules. So really all that's happening is they vibrate faster after they react. When they vibrate faster, they take up more space, pressure goes up, and the piston goes down. Simple really.

Last edited by rusty70f100; 12-13-2005 at 05:51 PM.
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Old 12-13-2005, 09:34 PM
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Yes, very simple. And simply put, breaking a H-C chain releases more engergy than breaking an H-H bond.
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Old 12-13-2005, 09:47 PM
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Quote:
Originally Posted by The SnoMan
Carbon is a form of energy. That what I am getting at.
Well, aside from the fact that everything that has mass has energy (that old E=MC^2 thing), I don't know what you mean.

Atoms bonded to other atoms, (forming a molecule) do contain energy, and breaking those bonds can release energy, but it's not the atoms themselves that are giving the energy off.

All in all, I still don't know what you are saying.
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Old 12-17-2005, 02:07 PM
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I think that alcohol is the best non fossil fuel.
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Old 12-17-2005, 02:07 PM
 
 
 
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