Rebreather World - View Single Post

Mark Chase · 25th November 2007, 11:03

Deepest CCR dive is i believe 560m by Comex on Heleox but it didn't count because they were saturation divers returning to a habitat/bell.

Its was done on a CCR1000/Mk15.5 type unit I believe but id need to look back on my old notes to be sure.

I assume the main problem would be the electronics of the CCR imploding at depth. There may be some issue with official record attempts and switching from CCR to OC for deco as well because the CCRs scrubber durations are going to be inadequate for the full duration of the dive.

If a diver on a 15SAC did a dive OK to 560m he'd be breathing 924lpm so twin 20s would last 9mins. As a result i would have thought CCR was the only viable option at that depth.

ATB

Mark

ATB

Mark

25th November 2007, 11:03	#3 (permalink)
Mark Chase I go down for ages Current Rebreather/s: Classic Kiss Other Rebreather/s: Inspiration Classic Join Date: Jan 2005 Location: Kent Posts: 2,557	Re: Will OC records always be deeper? Deepest CCR dive is i believe 560m by Comex on Heleox but it didn't count because they were saturation divers returning to a habitat/bell. Its was done on a CCR1000/Mk15.5 type unit I believe but id need to look back on my old notes to be sure. I assume the main problem would be the electronics of the CCR imploding at depth. There may be some issue with official record attempts and switching from CCR to OC for deco as well because the CCRs scrubber durations are going to be inadequate for the full duration of the dive. If a diver on a 15SAC did a dive OK to 560m he'd be breathing 924lpm so twin 20s would last 9mins. As a result i would have thought CCR was the only viable option at that depth. ATB Mark ATB Mark __________________ Is it supposed to make that noise ? I took my unit to the dive shop and demanded they bolt on every thing that would fit. Join my elite diving teem and get a Tshirt "Doing It Chasey"Hammerhead Eccr Advanced Diving System
(Online)