My friend and I did a test.We pressurized a one litre cavity to 15 psi,knowing that atmoshere pressure is 14.7.Then the pressurized one litre cavity was released into an inverted bottle water test.
It only filled the bottle once exactly.
So to make one litre a minute with a cavity of one litre volume,you will need to pressurize it to 14.5 psi.
So what does this mean?
Stan's demo cell was only producing @ 500 cc per minute!!!
I don't exactly know what you are saying.
You know that 14.7 psi is 1 atmosphere, if there was air in the cavity or something other than vacuum it had this 1 atm of pressure, so you pressurized it to 15 psi, a difference of roughly 0.3psi? This 0.3psi difference gave you 500cm³ with a bottle test?
so how do you know that stan's cell did produce 500cm³ / minute from that? also the bottle test equally distributes pressure between your bottle and the cavity and is not a very accurate way of measuring the volume of gas.
as you know from the gas equation p1*v1 = p2*v2. so if you have greater volume available (cavity + bottle) the pressure will sink, but how do you want to know how much gas you produced from this method?
or did you pressure it from 1 atm to 2 atm (14.7psi+15psi)?