View Full Version : NOS specs
grooveline
08-12-2002, 01:31 PM
Does anyone know the rhyme and reason behind the power from NOS? I was under the impression that it made power from pumping in O2(oxygen).
i want to know!
ssvr6
08-12-2002, 02:18 PM
First it's not NOS, it's N2O. NOS is a brand that sells nitrous kits.
N2O is 2 parts nitrogen to 1 part oxygen. It's a presurized gas that's VERY cold and accelerates the burning of fuel in your engine. This produces the power. That's also why poorly setup nitrous kits can result in engine failure. It burns more fuel than can be suplied to the engine. It leans out and melts pistons.
That's about it. Oh yeah, race grade has sulfur in it, medical grade is the 100%. (You can't "huff" race grade.) :D
Steve
grooveline
08-12-2002, 02:23 PM
ok smart guy..... if it lowers the temp of the air charge, why do the sell bottle warmers?
ssvr6
08-12-2002, 02:28 PM
Because dumb ass, the bottle warmer increases N2O pressure. You know basic physics, warm gases expand while cold contract.
You need to maintain the N2O pressure for gas delivery.
Steve
grooveline
08-12-2002, 02:53 PM
ohhh........................
why for you call me dumb ass..
and.. why is it cold if you heat it up in the bottle?
yeah.... wazza now
ssvr6
08-12-2002, 03:09 PM
Because you called me "smart guy".
It's not cold until it's released. It's a by product of hitting the air. (Or so I've heard.)
Steve
nitrous is kept at 85 degrees because that keeps optimal bottle temp, between 900-1100psi. its cold probably because it is liquid while in the bottle and its changing to a gas as it is released. nitrous works so well because it is 33% oxygen vs 20% in the atmoshere. on our cars you need a wet kit(fuel and nitrous) because we dont have a return fuel line to the gas tank. if you want to know more about n2o talk to miamijdm, hes been spraying for a while
ortedd
08-12-2002, 05:33 PM
It cools because of the change from the high pressure of the tank to the lower pressure of the intake. This transfer from high to low pressure cools where as the transition from lower to high pressure causes heating, such as in the case of the compressed air from a turbo or supercharger. The heater is to maintain the pressure in the bottle and probably to reduce the risks of lines freezing and stuff like that.
Isn't oxygen the product of combusting N20 ?
the oxygen and nitrogen seperate at about 572 degrees. thats when the oxygen is usable
grooveline
08-14-2002, 04:41 PM
so if thats the case......
why screw around with Nitrous?
why not just buy a big ass tank of pure oxygen?
Originally posted by grooveline
so if thats the case......
why screw around with Nitrous?
why not just buy a big ass tank of pure oxygen?
im not sure all the reasons, but one is because n2o is not flammable. also im sure pure oxygen would be too much for a motor to handle
ortedd
08-14-2002, 05:04 PM
The n20 is a lot safer, in the presence of pure oxygen, pretty much everything is flammable.
ssvr6
08-14-2002, 07:30 PM
That's exactly why.
Steve
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