i know youw dont use pure oxygen because of overheating but if nitrous cools the charge a little why not use C02? it almost freezes anythign it touches and it has an extra oxygen molecule. i would this this would produce more power and allow you to use more since it cools even more. keep in my i have no intentions of using C02 in my car i was just wondering what the theroy is behind it.

 

I'm pretty sure it has to do with the amount of energy stored in the molecule. It takes far too much to break off the two oxygen molecules from the carbon atom...

How about using propane? There are actually cars which run off propane instead of gas. Straight to the carb... Why not going to the BBQ store and getting a 5 gallon bottle <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" />

 

The cooling effect of N2O is just a nice by product. Compared to the added oxygen from N2O's decomposition, the colling effect doesn't any measurable power. The additional horsepower from N20 comes in the oxygen it freely gives up so that more fuel can be burned in the combution cycle.

 

but isnt there more oxygen in C02 than N20? i would think you would get an extra 1/3 hp with the same ammount of C02 as opposed to N20

 

nitrous is the most stable form of a gaseous type power adder
propane is used in conjuction with a number of nitrous setups for a fuel substitute since it is in gas form it does not puddle and has even distibution

If you were to try to use co2 you would probably burn the pistons right up, it would create a uncontrollable burn rate,
nitrous is used because it can be controlled

 

co2 is used as a fire supressor.

Its not flamable.

Ryan.

 

quote by slow: co2
Its not flamable.

Ryan.
<img border="0" title="" alt="[Roll Eyes]" src="images/icons/rolleyes.gif" />

yeah neither is nitrous oxide in its raw state
it is a oxidizer

 

You are correct, there is more oxygen by weight in CO2 than N20. However, BioChem is correct above as well, in that the amount of energy required to cleave the oxygen from a molecule of CO2 is far beyond that of N2O. Basically, the heat of the combustion chamber causes N20 to spontaneously give up it's oxygen and release N2. The conditions required to break a CO2 molecule are not reached in the combustion chanber.

 

ok. now that thats out of the way...
since nitrous cools could you use it in conjunction with a turbo/supercharger to cool the charge and safely run more boost?

 

Yep..... <img border="0" alt="[gruffy cottonball]" title="" src="graemlins/gr_gruffy.gif" />

 

I am using N02 on my twin turbo too cool it and for power. I wanted to use CO2 but was told if CO2 gets to the maf the car will stall out! Then I wanted to use gum freeze spray(super cold)but after reading the ingredients and seeing it is 8 different gasses super flamable I didn't like that under my hood just floating in the air. Right now I am working on the idea of 1/2 NO2 & 1/2 compreesed air, just to see what happens.

 

so theoretically, the more N20 you spray the more boost you could use...?

 

NO not at all it cools it down but not as good as Water/alky injection. The proplem with nos it as it cools down the air temp it "makes boost" as the cooled air is densor. that is why I saw so much of a power gain in small (24hp)shoots. With Water/alky it cools and keeps the can from blowning up. I have to watch my bottles,pressure, and use 1 or 2 stanges depending on pressure, or boooooooooom!!! And my 2 stage dry shoots are facing out in the upper intake pipe as far away as I could mount them, even with my pipes ceramic coated after the nos it is very cool to the touch b/c it holds the cold. There is a company out there that make a CO2 external spray kit for intercoler but I can't remeber the name.

 

NX makes something that looks like it fits in an aftercooler...

 

alky is the way to go
put it on a pressure switch to active at around 10 psi and you are set

 

2FAST4U i know what company your talking about with the c02. also, when you say can do you mean your bottle? and why would it blow if your only shooting a 24 shot. also, if its just a 24 shot how come you have a 2 stage nitrous system? i thought that was for really big shots of it.

 

yes b/c of the pressure and my block I need to be carefull. The 2 24hp shoots on my TURBO car make it on the dyno each shoot showed 34hp and 47torque. So on forced induction a little goes a long way. If I could I would have used even more nozzles per stage. It is a matter of disterpution. The nozzles are allso in the front of the "*** pipe" the upper intake Y piece, and face away from the engine. Rules are only use 2 stages in 1-3 gears when racing (wot switch) and watch pressure over 900psi not good! Only 1 stage at a time when over 900psi. SO if pressure is under 900psi in both bottles then 2stages and 78hp and 96torque! So I have to watch the pressure and don't use 2stages on the hightway or in tall gears.

<small>[ March 13, 2003, 03:00 PM: Message edited by: 2FAST4U ]</small>