1000 psi water injection

[Killerbee]

OK, I am toying with a concept. I want 800-1000 psi but I don't want to use a pump. Here is the concept:

a 900 psi nitrous tank feeding another high pressure fiberglass tank that is full of water/meth mix. The water should emerge under the pressure of the N2O.

Would require some kind of one-way protection, and the small amount of liquid N2O that changes state should not have big heat absorbtion/cold issues. I could be wrong. But this permits a convenient use of both elements in the induction tract under control of the smart controller I will be using.

---Any suggestions or obvious deterrents I haven't thought of?

 

[McRat]

Check on the solubility of nitrous in water. Some gases dissolve aggressively in water; chlorine and ammonia are just two.

 

[Killerbee]

That is a good comment. It's the bases you don't cover that get posthumous honors.

I suppose solubility is a non-issue, unless an undesireable property or compound is formed.

I figured perhaps somebody already tried this and was awarded some postumous honor. I am not that proud.:rofl: nor in a hurry to end up on Darwins list.

 

[McRat]

I've thought about this too, but using the air in a spare tire, like a VW beetle's windshield washer. 80PSI should be plenty, without the questions raised at the races concerning bottles.

 

[mytmousemalibu]

Why not just run a hi-psi pump? If its heat build-up your worried about, run the pressurized mix through a chiller, like a cool can concept, somthin ive been wanting to try myself

 

[sweetdiesel]

Why dont you want to use a pump?

Why not just run a pheumatic pump?

 

[JOHNBOY]

N2O would work but it is rather expensive. Also if the truck is used in some from of competition it might cause a fuss. Straight N or even better CO2 would be a much cheaper choice. Also both are commonly avalible at welder supply shops. Far easier to get then N20.

The trouble with all those is the supply runs out. I like the idea of a high pressure pump set up much better.

 

[Killerbee]

a 12V 1000 psi pump?

expense
reliability
complexity
electrical system demand...

 

[Fingers]

Plumbing a bottle is much simpler (and cheaper) for proof of concept than rigging a High Pressure Pump. At least with that high of a pressure rating.

 

[Fingers]

a 12V 1000 psi pump?

expense
reliability
complexity
electrical system demand...

Engine driven.

What Volume? GPM?

Here is a simple one:
http://www.northerntool.com/webapp/wcs/stores/servlet/product_6970_200305201_200305201

 

[Killerbee]

...put it in the 2nd alt position?

 

[Turbotug]

I have CO2 and N tanks and regulators it you'd like to give it a whirl with that first..


IMO, CO2 would be best, they last longer than N. More bang for the buck.

 

[Killerbee]

Unless I stumble on a gotchya, I think the nitrous route is the way to go, notwithstanding the racer regulations. I will eventually be using both, and the usage of the N2O as a propellant for water should be miniscule, limited to the volume of water/meth used.

I need a tank I can fill with water? I can get a fiberglass one.

 

[sweetdiesel]

a 12V 1000 psi pump?

expense

Pneumatics only problom



wont clutter the engine bay
wont kill your supply as fast


how are you going to just push water and not n20?

 

[bullfrogjohnson]

Engine driven.

What Volume? GPM?

Here is a simple one:
http://www.northerntool.com/webapp/wcs/stores/servlet/product_6970_200305201_200305201

I am interested, how would you control the water flow with the pump being engine driven?

 

[Turbo Buick 6]

I am interested, how would you control the water flow with the pump being engine driven?

My guess would be a HP regulator......maybe even a variable one that referenced boost

 

[Killerbee]

My guess would be a HP regulator......maybe even a variable one that referenced boost

quoting above reasons for not using a pump...

complexity.

Seems overboard to me.

OK, 2 tanks. One liquid nitrous at 900 psi. One water/meth. Plug the nitrous in to it, you have 2 tanks at 900 psi. If I uses a one way valve of some sort, as water is used, gaseous N2O should replace it. I guess that would require some type of anti-siphon.

Honestly, I don't know if this will work or not. My sense is that the expansion cooling will not be enough to freeze anything in the water tank.

 

[Stingpuller]

NOS in a tank

Figerglass will not work with NOS. NOS makes its own pressure form temp. If you have 1 pound or 100 the pressure will be the same if the temp is the same. At 72* you will have around 900 psi. Why not just inject the nos and put it to a good use! It really will drop your IAT a LOT. How much water(gallons) do the big time pullers run in a single pass down the track? I like the idea of compressed tank for the psi but getting a tank to hold water(that you can put it in) and also holding the psi is going to be tough. Jeff

 

[Killerbee]

Figerglass will not work with NOS.

Why not ?


For me, water/meth is mainly for it's flame front inhibiting effect, offsetting the ignition advancing characteristics of N2O. I am working on the premise that the correct proportions of each will require no timing adjustment once dialed in. It's a shot.

I am doing water pre-compressor, N2O pre-plenum. I don't want ice drops hitting the compressor.:rofl:

 

[Turbo Buick 6]

quoting above reasons for not using a pump...

complexity.

Seems overboard to me.

how is a pump and a regulator complex seems like pretty basic stuff to me

I can understand you not wanting to use a pump, but not because they are too complex