Re: NITROX or not
- From: morgand@xxxxxxxxxxxxxxxxxxx
- Date: Tue, 02 Aug 2005 05:55:51 -0500
In article <Sd5Ge.18354$aY6.9742@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
leebell@xxxxxxxxxxxxx (Lee Bell) wrote:
> > In article <TovFe.9410$oZ.1597@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
> > leebell@xxxxxxxxxxxxx (Lee Bell) wrote:
> >> It varies with the mix and with your willingness to push your luck.
> > In
> >> the past, a partial pressure of Oxygen equal to 1.6 atmospheres was
> >> considered safe enough. Currently the standard is 1.4 atmospheres.
> > At
> >> 1.4, the MOD for 32% is 111 feet salt water, for 36% is 95 feet salt
> >> water and for 21% (air) is 187 feet salt water.
So when divers are trying to break depth records they are working on their
own theoretical tables ? or are the tables relevant for depth's not yet
achieved ?
And.....would they use nitrox or air to get down to the MOD (187ft ? yes i
understand they can only do 187 on air) and then ???? to descend down to
their required depth. Coming up from that depth they would use ?????? the
same as they did below the 187 ? and from 187 up they would be using
higher % of nitrox ? and at the higher PP of 1.6 ? to do their deco stops.
Dave Morgan @ Work in the UK
Take out the "goes diving" bit....
Trip photos on line at www.morg.co.uk
.
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