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Originally Posted by jome
I never measured my own volumes, but some divers can pack up to 4 litres and 2-3 litres is not uncommon. So the difference in air volume is considerable.
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A few of us have taken part in a scientific study on packing, initial results have indicated that with packing our total lung capacity (TLC) increased by on average about 30%.
Size of lungs is generally correlated to height, ie. a taller person will have a bigger TLC.
In practice, other things being equal that should lead to a person with 6 Litre TLC (probably 6 foot or slightly shorter) get up to about 8L, or for me, I can do about 4min static with no packing, and a little over 5min with packing. A taller person with say an 8L TLC could potentially pack up to 10-11L or even more.
But of course, other things are not always equal or, as my high school economics teacher used to say - ceteris is not always parabus
Cheers,
Ben
