Quote: (Originally Posted by
jaap)
Nice thing to hear
I'm simply curious about the helium thing. Is it too much to ask about further details? We always use the He-cylinders (after some beyond average customer probing) with questionable labeling for many 100s of dives since many years ;-)
The individual who charted the boat was a DIR instructor who had several students in tow, so assume that he was setting an example more than anything else. He said that I could use it if I liked, but that would still leave me diving extended range solo, with only two sensors.
Quote: (Originally Posted by
jaap)
Would the flow really be expected to quadruple in the above case to 47m? My crude testing of non fixated (non plugged) IP regulators on a small CMF flow does not indicate anyway near that sever increases in flow?
You are exactly right. I should change my first post. Density and viscosity increases which reduces flow and therefore flow would NOT increase at a rate proportional to pressure. Very basic fluid dynamics. However, flow SHOULD increase significantly when pressure is quadrupled with either a laminar flow element or simple orifice.