Nitro vs Pure Oxygen

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Old Jul 16, 2005 | 12:50 AM
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Nitro vs Pure Oxygen

Hi,

Can I use pure oxygen instead of nitro? I know a place that whole sale oxygen, co2, etc. Just bring in the tank and they fill it up.
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Old Jul 16, 2005 | 08:38 AM
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I always though it would be fun to get 2 or 3 scuba tanks of O2 and connect it directly to the throttle body, then regulate to run about 100 psi directly into the engine...
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Old Jul 16, 2005 | 10:44 AM
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Originally Posted by DaveWhyman
I always though it would be fun to get 2 or 3 scuba tanks of O2 and connect it directly to the throttle body, then regulate to run about 100 psi directly into the engine...
Bad idea. Let us know how it turns out.
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Old Jul 16, 2005 | 11:02 AM
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Can you say Kaboooom
Also, it would be an extreme fire hazard for the car in general...any leaks and you`re in big trouble.
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Old Jul 16, 2005 | 11:02 AM
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Does the TSX have an O2 sensor on the intake tract? If not, it wouldn't work. Air is about 78% nitrogen and 21% oxygen, with the final 1% consisting of trace amounts of noble gases, primarily argon.

As far as I know the TSX determines the fuel/air mixture to use by reading the MAP sensor (manifold absolute pressure). Because the oxygen content of air never changes, the pressure of the intake manifold is going to allow the ECU to calculate very precisely how much fuel needs to be added to get the engine to run at stoichiometric - the equilibrium - neither too rich nor too lean. If you increase the oxygen concentration of the intake charge without telling the ECU about it, the engine will only get enough fuel for that MAP reading at 21% oxygen. Not enough fuel will be added and the engine will run far too lean, possibly damaging itself in the process.

If the ECU was made aware of the increased oxygen concentration and the fuel system was up to the task, enough fuel could be added to make use of it and you would get some serious power. And just like with nitrous oxide, compressed oxygen would add the benefit of cooling the intake charge due to the phase change from liquid to gas that would occur upon exposure to air in the intake, much like a CO2 cartridge gets cold when you vent it to atmosphere. However to utilize the extra power you would need to ensure that the engine internals were strong enough to contain the explosive force of a fully oxidized mixture without being blown to pieces.

EDIT: it would also be prohibitively expensive. The K24A2 flows about 300 cubic feet per minute at 7,000 RPM.
Originally Posted by DaveWhyman
I always though it would be fun to get 2 or 3 scuba tanks of O2 and connect it directly to the throttle body, then regulate to run about 100 psi directly into the engine...
You'd need welding tanks. SCUBA divers use compressed air. Sometimes they'll use NITROX, which is oxygen-enriched air which is about 35% oxygen, 65% nitrogen. The really deep divers use a twin tank system of pure oxygen and helium as a way of displacing nitrogen from the bloodstream at depths beyond 130 feet. Not that this is relevant, but I used to be a navy diver so I thought I'd add that.
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Old Jul 17, 2005 | 01:44 AM
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I think you forgot about another major gas in air.... CO2.

And yes Pure O2 is highly flamable so it would not be suggested to try.
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Old Jul 17, 2005 | 11:14 AM
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Originally Posted by ncsu-tc
I think you forgot about another major gas in air.... CO2.

And yes Pure O2 is highly flamable so it would not be suggested to try.
NO2 and pure O2 are just oxidizers, they're not a fuel. They'd blow out a lit match.

They will make a fuel burn faster and hotter though.
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Old Jul 17, 2005 | 11:15 AM
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Originally Posted by ncsu-tc
I think you forgot about another major gas in air.... CO2.

And yes Pure O2 is highly flamable so it would not be suggested to try.

I think I get it.
Thanks!

No wonder that place has a huge freezing tank...
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Old Jul 17, 2005 | 01:08 PM
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Originally Posted by DaveWhyman
I always though it would be fun to get 2 or 3 scuba tanks of O2 and connect it directly to the throttle body, then regulate to run about 100 psi directly into the engine...

lol...

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Old Jul 18, 2005 | 02:53 PM
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Originally Posted by Dan Martin
NO2 and pure O2 are just oxidizers, they're not a fuel. They'd blow out a lit match.

They will make a fuel burn faster and hotter though.
Much hotter. I remember seeing a clip of a guy pouring liquid O2 on his barbecue, and the inferno was insane. After a few seconds of this, the barbecue was reduced to mostly ashes.

Needless to say, this could mean A LOT worst than engine knock if not well tuned. But properly mastered, it could make for awesome power.

How about a Shuttle-like mix of O2 and H. I'm sure it could work in a combustion engine given the proper plumbing (probably more stable in a Diesel).
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Old Jul 18, 2005 | 03:26 PM
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if O2 comes in contact with oil, it will burn. it's extremely flamable.
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Old Jul 18, 2005 | 05:05 PM
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Originally Posted by LB-TSX
if O2 comes in contact with oil, it will burn. it's extremely flamable.
Oil is flamable not O2.
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Old Jul 18, 2005 | 07:40 PM
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Originally Posted by LB-TSX
if O2 comes in contact with oil, it will burn. it's extremely flamable.
So, what exactly are those sick people breathing? You know some people have problem with their lungs. So, they have to breath through some sort of oxygen from a tank or something like that...

Ain't those pure oxygen they are breathing?
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Old Jul 19, 2005 | 07:44 AM
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Originally Posted by bz268
So, what exactly are those sick people breathing? You know some people have problem with their lungs. So, they have to breath through some sort of oxygen from a tank or something like that...

Ain't those pure oxygen they are breathing?
Yes.

Pure oxygen is used for people with breating difficulties, but can also be very useful to speed up the healing process after an injury, for example with athletes.
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Old Jul 21, 2005 | 12:16 AM
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O2 will explode if it comes into contact with a spark.
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Old Jul 21, 2005 | 05:42 AM
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Originally Posted by ncsu-tc
O2 will explode if it comes into contact with a spark.
No it will not. It is an oxidizer, not a fuel. It accelerates combustion. A spark in an atmosphere of pure oxygen will be a spark. A spark in an atmosphere of oxygen and a fuel, such as propane, will produce an extremely powerful combustion (as long as the O2/C2H4 mixture is close to stoichiometric).
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Old Jul 27, 2005 | 12:22 AM
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Originally Posted by rmpage
No it will not. It is an oxidizer, not a fuel. It accelerates combustion. A spark in an atmosphere of pure oxygen will be a spark. A spark in an atmosphere of oxygen and a fuel, such as propane, will produce an extremely powerful combustion (as long as the O2/C2H4 mixture is close to stoichiometric).

Have you ever heard of the Apolo project and the 3 astronots that burnt to death from a spark in a pure O enviroment


Pure O is EXPLOSIVE !!!!!!

Key word being PURE
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Old Jul 27, 2005 | 10:17 AM
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Originally Posted by ncsu-tc
Have you ever heard of the Apolo project and the 3 astronots that burnt to death from a spark in a pure O enviroment


Pure O is EXPLOSIVE !!!!!!

Key word being PURE
Please write a combustion equation for pure oxygen. Thanks!
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Old Jul 27, 2005 | 10:28 AM
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Originally Posted by ncsu-tc
Have you ever heard of the Apolo project and the 3 astronots that burnt to death from a spark in a pure O enviroment


Pure O is EXPLOSIVE !!!!!!

Key word being PURE
Pure O only served as a catalyst to accelerate fire on the wires. It didn't burn all alone.
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Old Jul 27, 2005 | 10:54 AM
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Originally Posted by sauceman
Yes.

Pure oxygen is used for people with breating difficulties, but can also be very useful to speed up the healing process after an injury, for example with athletes.
Oxygen is also toxic to many prokaryotic organisms, which would help stave off infection.
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Old Jul 27, 2005 | 01:26 PM
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Originally Posted by Bill Hook
Oxygen is also toxic to many prokaryotic organisms, which would help stave off infection.
Interesting!
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Old Jul 27, 2005 | 02:52 PM
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Originally Posted by ncsu-tc
Have you ever heard of the Apolo project and the 3 astronots that burnt to death from a spark in a pure O enviroment


Pure O is EXPLOSIVE !!!!!!

Key word being PURE
ROFL. It wasn't the air that burned in Apollo I - it was the Velcro. They used tons of it all over the capsule and in a pressurized high Oxygen environment it burned big time. But the air in the capsule never "ignited". The couldn't get them out quickly because the hatch was sealed from the inside and the pressure made the hatch close tighter. Oxygen is NOT flammable but it does make other substances burn far more easily.

Check out this link for a little demonstration. LINK
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Old Jul 27, 2005 | 11:21 PM
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Talking

Originally Posted by bz268
So, what exactly are those sick people breathing? You know some people have problem with their lungs. So, they have to breath through some sort of oxygen from a tank or something like that...

Ain't those pure oxygen they are breathing?
Pure O2 that mixes with normal air as they inspire. It raises the percentage of oxygen higher than the atmospheric 21% so their blood stays preferably higher than 90% saturated. Otherwise a host of problems can occur including increased cardiac load, high blood pressure, and eventually death. It is much healthier to smoke tires than cigarettes...
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Old Jul 28, 2005 | 07:55 AM
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Originally Posted by jmf
Pure O2 that mixes with normal air as they inspire. It raises the percentage of oxygen higher than the atmospheric 21% so their blood stays preferably higher than 90% saturated. Otherwise a host of problems can occur including increased cardiac load, high blood pressure, and eventually death. It is much healthier to smoke tires than cigarettes...
If they would stop holding in their farts they'll feel a whole lot better...all the methane will be released rather than saturating in their blood stream.
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