Too expensive (initial cost to purchase CCR)
Too expensive (consumables to dive ie cells, sorb, O2 etc)
Training (Don't want more training or training is expensive)
Do not think they are safe
Too complicated (prefer simplicity of OC)
My buddies or team all dive OC
I don't understand enough about rebreathers
I have never tried one
I dive exclusively sidemount and don't want anything on my back
I only do short or shallow dives
I don't see a benefit
The new KISS rebreather is making me reconsider...
"Those who make peaceful revolution impossible will make violent revolution inevitable." --JFK
Www.artflowslikewater.com
Brendan's Law - "Know what you're breathing. Analyze your gas for O2 and Co. Analyze your gas each time, everytime, anywhere."
If you want to see some funny redneck quarry diving check out my youtube account..
http://www.youtube.com/user/GoDeepif...n?feature=mhum
Spirit Lite!
While I DEFINITELY do NOT have the cave diving experience of the majority of the posters here, I would also have to say that the lack of time pressure and ability to leisurely explore the cave while staying within the "distance to the opening" confines of my open circuit bailout, has made me enjoy cave diving more than I did on open circuit. That having been said I had several hundred open circuit CCR dives before I ever went into a cave with one.
Just my 2 cents from someone who has "drank the Cool Aid"
Several reasons:
1) Reliability - in about 25% of my dives, anyone in the team will thumb the dive on the surface or during the first 5 minutes due to a problem in his/her RB.
2) Safety statistics - a ten times difference.
3) I do not expect myself to be systematic enough in maintaining a RB.
4) Higher work of breating (WOB) - I have experienced DIPO and now appreciate the thinness of the lung membrane. Any additional pressure difference, e.g. caused by greater WOB, might increase the possibility of DIPO repeating. Swimming any distance at all during DIPO is no fun.
5) I do not believe I am a better diver than some very experienced RB divers who have met their fate. Even more so after an accident couple of days ago - a person I dived with earlier this month and who was regarded as one of the best cave divers here.
I appreciate all RB divers who really need a RB as a tool in their adventures and make an educated safety assessment about this. I lift my hat to all RB divers diving devices with single digit serial numbers. But, I feel sorry for the 90% wannabees letting coolness factors affect their decisions.
My wife won't let me...
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As a pastor I am amazed that some of my best communions with God are when I am in the underworld!
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