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Cheers tbone I spotted it was feet but misread his post about distance in, think that would have been a bit too far for me!
I'm far too lazy to swim that far which is why I don't do the reverse traverse and back in Peacock. It's just too damned much kicking. I can do it, but I really don't want to.
Just wondering if anyone has rules of thumb about how far they are comfortable on fin power alone.
Obviously flow/no flow will influence this as would open or closed circuit and depth/deco.
Locally we are no flow and a mixture of OC and CCR but the environments are mainly less than 25m deep.
I'm relatively new to the darkness and interested in what limits people set themselves.
I would ask the converse of your question, those that are scooter dependent, do they have the physical ability to make a long swim out if there are failures as max penetration.
The concern is that there are those that have become so scooter dependent , that a safe exit plan may not be possible if they don't have a functional scooter to exit. A couple years ago I guided a guy that complained because the site we went to wouldn't allow scooters until you did 3 swim dives. We had to take 4 rest breaks in this low flow system with him clutching the wall and stopping with maybe a 1200ft linear penetration. This individual had no business doing anything more than a cavern dive. At least you have a back up scooter,for systems that are scooterable.Can I? Yes. Do I want to? Absolutely not. The deco penalties of kicking out alone are tremendous in certain environments. I can get out in 25-30% of the time it takes to kick in most situations. I plan gas much more conservatively than that, but I also have a backup scooter for a reason...
Yup, dont forget the Mainland incident.The concern is that there are those that have become so scooter dependent , that a safe exit plan may not be possible if they don't have a functional scooter to exit. A couple years ago I guided a guy that complained because the site we went to wouldn't allow scooters until you did 3 swim dives. We had to take 4 rest breaks in this low flow system with him clutching the wall and stopping with maybe a 1200ft linear penetration. This individual had no business doing anything more than a cavern dive. At least you have a back up scooter,for systems that are scooterable.