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Old 05-25-2008, 05:49 PM   #29
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Originally Posted by 85MH325
You might find this interesting:

Water as fuel

i had the same thoughts as the last line of the story. if cars ran on water, how expensive would water become?

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Old 05-26-2008, 12:15 PM   #30
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Everything I've read in this thread, except for the "better driving habits" comments, is a scam.

The Tornado does absolutely nothing for mileage. The reason it seems to work is that when you put it in you're thinking about mileage, so you drive more gently. The Tornado can do one thing though: if one of those tines were to break off, you'd be out an engine - which is going to offset any increase in mileage you would've gotten if it did work.

The hydrogen thing has been covered already, but let's face it: 1. You're only going to get tiny bits of hydrogen out, and 2. You now have to carry around a bunch of water for the engine's use (I realize us RVers are already usually carrying around water, but you see what I mean). The weight, complexity, and cost of this system will never offset the price you paid for it in terms of fuel usage - especially for a motorhome which doesn't get that many miles to begin with. Even if it does work (which I highly doubt).

Don't even get me started on magnets on the gas line... yes, because magnets have a HUGE effect on non-ferrous materials like gasoline.

Oh, and bottled water is still more expensive than gasoline. Go figure.

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Old 06-04-2008, 11:10 AM   #31
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I installed a water injector on my 360cid Dodge back in the '80's. Had to use distilled water or the jet would stop up. Never could get it adjusted to work right. Couldn't tell if it helped or not. Not too long after I installed it, it went nuts and shot in too much water at an idle, flowed the engine and bent a couple valves.
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Old 06-04-2008, 12:25 PM   #32
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Old 06-04-2008, 01:08 PM   #33
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I might try the "water-via-vacuum-line" or the "injection via smog pump" trick with my Travelall to see if I can improve efficiency. The 345 engine with 1406 Edelbrock carb in the T-all has less than 9:1 compression ratio and rarely spins above 2500k rpm at the speeds I drive (60mph or less). The engine seems like a good candidate for improvement via some of the links posted. I removed all the vacuum lines associated with the emissions system but did not remove the air pump. Just depends if I want to add another thing that might go wrong to a 35 year old truck.

I'll post my findings if I do this.

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Old 06-04-2008, 01:25 PM   #34
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The idea of injecting water into aircraft engines isn't new. The reason for doing it however was not to burn the water as a fuel per se. It was done to increase the mass of the air being drawn into the engine.

The early Boing 707's had water injected engines. We called them "Water wagons". They were so underpowered that water was injected to help them climb. It wasn't the hydrogen they were after, but the oxygen that was available in the water which had a higher density than the thin air of the upper atmosphere.

In other words, they couldn't suck in enough air in the early engines, so they injected water to increase the mass of oxygen. Nowadays, they have solved that problem and no longer have a need to do so.

In the end, you can't create more energy than is already present in the fuel. You can only use it more efficiently.
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Old 06-04-2008, 01:28 PM   #35
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Old 06-04-2008, 02:57 PM   #36
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Actually, I thought the water injected engines the military used were to turn the water into steam, therefore increasing thrust. Water expands many times (10 or so??) when turned into steam. In thrust we trust!
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Old 06-04-2008, 05:12 PM   #37
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Interesting article in todays Wall Street Journal about mileage increasing products. None of them work but people are still trying to make improvements at any cost. The only thing that really helps are low restriction intakes and exhaust systems.
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Old 06-09-2008, 02:44 PM   #38
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The main use I have seen of water injection was on turbocharged engines to allow more boost without pre-ignition issues.
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Old 06-09-2008, 05:26 PM   #39
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Those HHO devices are a big scam. When you calcuate how many BTU's of hydrogen you would need, versus the amount a mason jar sized hydrogen generator "might" produce, it is very clear that it is a physical impossibility for such a device to work as claimed.

Do a search for HHO or Hydrogen Generators on YouTube. You'll laugh 'til you cry, funnier than watching the comedy channel.
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Old 06-09-2008, 06:07 PM   #40
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Originally Posted by ScottW
Actually, I thought the water injected engines the military used were to turn the water into steam, therefore increasing thrust. Water expands many times (10 or so??) when turned into steam. In thrust we trust!
Water injection was used during WWII in military aircraft for much the same reason it was used in early jets. They had to be careful with the big radial engines that water didn't pool in the bottom cylinders, hydrolocking the engine. Very bad at 20,000 or more feet in the air when the motor starts shucking internal parts.
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Old 06-23-2008, 09:52 AM   #41
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I asked these questions as I was having problems cutting through all the hype in finding out which ones are real and work, (if any)which ones are real and kinda work, which ones are just gimmicks.

To quote Gen Disarray "The things you can learn here", Thanks for all the replies.
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Old 06-23-2008, 10:37 AM   #42
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...and, 'there's a sucker born every day'...just make sure you aren't one of them!

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