SillyQuestions
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Hi all,
Currently working on a project in a UK cave.
8 sumps, deepest depth being 9m (27ft) , average depth being about 4m (12ft)
Sump lengths are between 10m (30ft) and 190m (620ft). Averaging about 60m (200ft).
Now my problem arises that I'm currently diving on air. However, effectively doing 8 short dives in a row to shallow depths, surfacing after each one, then doing the same again on the way out actually racks up a fair amount of deco, as well as being outside what many tables/computers are set out to understand properly.
I don't have much experience with high O2 contents, I definitely have no qualification. But I could get high content fills if I asked. So, say I got an 80% fill, MOD of 30ft working on a ppO2 of 1.6 (which would only be for a short time anyway), planned the dives on vPlanner with 80% and then set my computer to 80%, what dangers am I clearly overlooking?
I've heard serious deco divers mention oxygen breaks during deco, would I be at risk of needing one of these? Why would I need one of these?
If nobody is willing to answer these questions, any chance anybody could direct me to some online/easily accessible book reference that may allow me to research myself?
Thanks
Currently working on a project in a UK cave.
8 sumps, deepest depth being 9m (27ft) , average depth being about 4m (12ft)
Sump lengths are between 10m (30ft) and 190m (620ft). Averaging about 60m (200ft).
Now my problem arises that I'm currently diving on air. However, effectively doing 8 short dives in a row to shallow depths, surfacing after each one, then doing the same again on the way out actually racks up a fair amount of deco, as well as being outside what many tables/computers are set out to understand properly.
I don't have much experience with high O2 contents, I definitely have no qualification. But I could get high content fills if I asked. So, say I got an 80% fill, MOD of 30ft working on a ppO2 of 1.6 (which would only be for a short time anyway), planned the dives on vPlanner with 80% and then set my computer to 80%, what dangers am I clearly overlooking?
I've heard serious deco divers mention oxygen breaks during deco, would I be at risk of needing one of these? Why would I need one of these?
If nobody is willing to answer these questions, any chance anybody could direct me to some online/easily accessible book reference that may allow me to research myself?
Thanks