Hog wrapping a bail out hose under a loop on a rebreather.

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A specialist application for which specialist solutions are required.
And
A specialist application for which specialist solutions are required.
Does that mean your answer to the other question is 1? You mention running a short hose on your (presumably) single deep tin and also that you would be passing off this bailout bottle. Is this your procedure in an overhead environment?
 
Why shouldn't it be? You can't get that massive backmounted kit through any restriction where you would need a longhose to immediately provide gas.

When exiting out with a 'casualty' then they'd be breathing from their own bailout bottle. Or your bailout bottle.


You don't just carry overhead bailout on your back? Seems a tad limited in that once you're out, there's no switching around.
 
Why shouldn't it be? You can't get that massive backmounted kit through any restriction where you would need a longhose to immediately provide gas.

When exiting out with a 'casualty' then they'd be breathing from their own bailout bottle. Or your bailout bottle.


You don't just carry overhead bailout on your back? Seems a tad limited in that once you're out, there's no switching around.
And when your deep gas is in a steel 15 to 18L cylinder what's your plan to donate it then?
 
Again a specialist application which requires specialist solutions.

It’s team bailout at 100m. You can’t carry enough yourself. Planning is complex and may include safety divers. Overhead diving would include staged bailout and deco cylinders. Deep wrecks would be team orders on a 'must return to shot' with lazy shot + trapeze.

A 100m/330' dive is not a run of the mill dive, very few people have ever been that deep.


BTW using 17 litre steel cylinders would really screw your buoyancy on CCR especially if they’re removable.

For a larf, how many cylinders would one person need for bailout on a 100m/330' dive with a sensible bottom time of, say, 30 mins?

4 x ali80s? That’s without mitigating a CO2 hit.
 
And there are divers safely carrying their own gas at those depths in caves using BIG steel bailouts.
Excellent specialist divers.

I still don’t understand why there’s a move to 'hybridise' a CCR with OC and DIR for general diving.
 
https://www.shearwater.com/products/teric/

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