Extendair Cartridges Duration at Depth

July 10, 2013, 4:38 am

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Some RB designs incorporate the ExtendAir Cartridge Scrubber system to extract CO2 from the loop. Both Navy and DR (O2ptima specific) have done tests on the system and theoretical duration times have been established for different depths.

Has anybody dived the system beyond 55m (165 ft) and experienced any scrubber breakthrough?

If Yes, please note Water Temperature, Dive Time and Depth as the incident occurred.

If No (and dived the unit below 165 ft) please indicate what, in your opinion, constitutes a save Stack time for dives beyond 55m.

The reason for the request is that I am trying to establish a proven Stack time for dives beyond 55m. (At present I am limited to 48m (144 ft) and use a stack time of 240 min at Temp of 18 -25 Deg C with a safety margin of about 25%.

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Wanted: Charging attachment for Liquivision X1

July 10, 2013, 6:55 am

≫ Next: FS: pair of AP cylinders

≪ Previous: Extendair Cartridges Duration at Depth

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Anybody have a charging attachment they no longer need? With all the defunct X1s and X-Links that people post about, there have to be some charging attachments available.

Ken

FS: pair of AP cylinders

July 10, 2013, 10:08 am

≫ Next: FS: pair of AP lungs (new style) in XL

≪ Previous: Wanted: Charging attachment for Liquivision X1

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Dil tested 2012/11
O2 tested 2012/11

Clean and tidy

£160 the pair
UK only
Prefer collection/meet but you can arrange a courier if required

Please note:
I take PMs in order. The first to PM me is the first in the queue. If the first PM makes an offer under the asking price and it is unacceptable, I will allow 24 hours for that person to reply, to either increase there offer or decline. If that kind of sale offends you, then please don't offer or comment. Sorry for having to state the obvious. Many thanks

FS: pair of AP lungs (new style) in XL

July 10, 2013, 10:10 am

≫ Next: FS: AP yellow/black case (classic 4 catch)

≪ Previous: FS: pair of AP cylinders

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As new condition
XL
Black and grey
Complete with buttons and T pieces (as shown)

£150
UK only
Can post if required, cost to be agreed

Please note:
I take PMs in order. The first to PM me is the first in the queue. If the first PM makes an offer under the asking price and it is unacceptable, I will allow 24 hours for that person to reply, to either increase there offer or decline. If that kind of sale offends you, then please don't offer or comment. Sorry for having to state the obvious. Many thanks

FS: AP yellow/black case (classic 4 catch)

July 10, 2013, 10:13 am

≫ Next: SANTI Key Person Deal!

≪ Previous: FS: pair of AP lungs (new style) in XL

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Yellow outer, black back
4 catch type
Complete with handle, top weight pocket, cylinder cambands and cannister camband

Very good used condition

£75
UK only
Can post if required, cost to be agreed

Please note:
I take PMs in order. The first to PM me is the first in the queue. If the first PM makes an offer under the asking price and it is unacceptable, I will allow 24 hours for that person to reply, to either increase there offer or decline. If that kind of sale offends you, then please don't offer or comment. Sorry for having to state the obvious. Many thanks

SANTI Key Person Deal!

July 10, 2013, 12:41 pm

≫ Next: Diving the Mikhail Lermontov

≪ Previous: FS: AP yellow/black case (classic 4 catch)

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Any of you dive professionals (in the USA) looking for a keyman dry suit deal? SANTI has a program running right now that you can get an incredible deal on a new E.Motion or E.Lite suit. Email a copy of your credentials and what suit you are interested in to store@diveaddicts.com for a quote.

Suit must be ordered before Aug 31st 2013.

Diving the Mikhail Lermontov

July 10, 2013, 8:17 pm

≫ Next: Apd inspo classic

≪ Previous: SANTI Key Person Deal!

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I'm thinking about heading over to NZ to dive the Lermontov, does anyone have any tips, best time of year, rebreather support etc. for the trip? Thanks!

Apd inspo classic

July 11, 2013, 12:05 am

≫ Next: Two spaces available this weekend Plymouth

≪ Previous: Diving the Mikhail Lermontov

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Inspo classic,
2004,
Narked@90 4/5 cell holder,
coax loom,
3 new cells,
Black and grey medium lungs,
AP vision harness,
ADV with flow stop,
solenoid shut off valve,
stainless steel lift handle mounted on yellow box,
miflex hoses,
new handsets 18 months ago.

£1850

Or I Can also include a Michael Hearn alibox with 1.5L suit inflation bottle with 1st stage and opv.

Total £2000

I've dived this for 18 months and its been wonderful with dives down to 75m. But due to upgrading it time to pass it on. Ideal 1st time rebreather, it's simple to use and work on.

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Two spaces available this weekend Plymouth

July 11, 2013, 4:35 am

≫ Next: Myth busting - Scrubbers

≪ Previous: Apd inspo classic

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Al and I can't make diving with top gun this weekend as I slipped a disk last week and still not recovered.

Our spaces are available on a boat taking right in the 65 meter range - marks to be decided based in conditions.

Top skipper, good boat and great conditions forecast so gutted can't do it.

65 a day per diver. I've got to cover the spaces though so a good offer will secure.

Myth busting - Scrubbers

July 11, 2013, 5:51 am

≫ Next: rEvo HUD

≪ Previous: Two spaces available this weekend Plymouth

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Hi

I am just curious as I would like to learn more about my life support system.

I just talked to a buddy of mine, he just finished his MOD 3 course. Their instructor told them that packing a scrubber very tightly causes two issues:

1. The scrubber will be less effective as the pellets are now touching one another more, leaving less surface to scrub the CO2.

But is this a myth? If you are packing the sorb hard, it will leave room for extra granulates, meaning the canister will contain more scrubber material. Will the one thing not out-weigh the other?

2. Packing the scrubber will increase WOB.

Is this a myth? I am not looking for "it feels like there is more WOB" answers, did anyone actually test this to see if there is any measurable difference? I think that WOB will increase, but I could be wrong...

Give me your thoughts...

/Christian

rEvo HUD

July 11, 2013, 2:17 pm

≫ Next: Greetings from Teesside UK

≪ Previous: Myth busting - Scrubbers

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Has anyone had a problem with the HUD's LED lights? We have 2 units here that have received the Dream P upgrade ( not that should matter), anyway one HUD's LED has stopped displaying red and the other units HUD has stopped displaying green.

Although not a show stopper, I have gotten used to double checking the HUD and seeing the green LED after checking PPO2 on the Predator it is kinda of pain in the arse pulling out the dream and not being able to rely on the HUD.

OEO has been contacted and they advise that it is warranty, now do I disconnect from the dream or just remove the HUD?

Greetings from Teesside UK

July 11, 2013, 6:26 pm

≫ Next: HPNS and ACh?

≪ Previous: rEvo HUD

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Greetings from the sunny heights of Teesside,

This is my first post on CCX. I've signed up because I want to gain a broader knowledge about CCR diving.

I have completed the IANTD Inspiration (MOD 1) and dive a Classic and a modified Draeger Ray mCCR. I love both units but I only have a total dive time of about 30 hours so I'm sure I've got a lot to learn.

Regards

Matt

Attached Images

Ray3.jpg (29.4 KB)

HPNS and ACh?

July 11, 2013, 7:29 pm

≫ Next: Traveling with the JJ.

≪ Previous: Greetings from Teesside UK

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Just a question for the hyperbaric docs on the forum. Could HPNS tremors be from the helium molecules inhibiting acetylcholinesterase from hydrolyzing ACh? Thanks.

Traveling with the JJ.

July 12, 2013, 2:36 am

≫ Next: New CCR diver

≪ Previous: HPNS and ACh?

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Just after some packing ideas for the JJ, Hand luggage or pelican case. Ideas please.



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New CCR diver

July 12, 2013, 5:48 am

≫ Next: Videos

≪ Previous: Traveling with the JJ.

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Hello all CCR divers.
I am waiting for start my Level 1 CCR course and become a new CCR Diver.
I hope to learn a loy of from you and enjoy my stay on this forum :wavey:

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Videos

July 12, 2013, 3:57 pm

≫ Next: Manta CL

≪ Previous: New CCR diver

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I have reached my 25th post :trophy: So to celebrate I will link to some of my videos.

Eagles Nest
Eagles Nest with Barney 4/26/2013 - YouTube

Ginnie Springs
Scootering the Devil's Eye Cave system on rebreathers. - YouTube

Waynes World
Wayne's World/School Sink - YouTube

Hydro Atlantic
Scootering the Hydro Atlantic Wreck with the Florida Scrubs. - YouTube

Manta CL

July 12, 2013, 4:16 pm

≫ Next: Scrubber cover question ???

≪ Previous: Videos

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Hi
Manta CL for sale with O2 and Dil valves.
Only a few dives.
480usd

Attached Images

	DSCF2887.JPG (137.0 KB)
	DSCF2888.JPG (136.8 KB)

Scrubber cover question ???

July 12, 2013, 6:58 pm

≫ Next: I'm tired of wrx...

≪ Previous: Manta CL

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How is the metal "washer" attached to the center of the scrubber cover? This is what the hold down nut touches when you install the cover. Is it just glued on or what? If so, what kind of glue?

This is not my unit, so I can not be blamed for it. :angel:

It did however, once belong to Swadiver and that might be the entire problem. :furious:

I'm tired of wrx...

July 12, 2013, 7:31 pm

≫ Next: Inflator nipples for lift bags

≪ Previous: Scrubber cover question ???

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Some days ago I dropped on a local wreck to tie off for a group of divers. O became bored and decided to simply drift off the wreck and see what came along. I shot a bag so the capt would know where I was and just drifted along a couple of feet off the sand. It was alot of fun to get off the beaten path. I found a few cool shells and a weight belt that I tied to the line going to the lift bag and let it just drag along in the current. There were small coral heads that would pop up, some big rocks that seemed out of place and even part of a very small boat as well as 3 golf balls. Where ever there was relief off the sand there was a lot of life.
I did this dive on OC as my rEvo is having it's regs serviced. I think when I get my regs back I'm going to slide along in the sand on CCR and see what's out there. I'm a bit tired of wrecks.

Inflator nipples for lift bags

July 12, 2013, 10:20 pm

≫ Next: What it takes to become an NSS-CDS Cave Instructor

≪ Previous: I'm tired of wrx...

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Looking to retrofit two of my older lift bags to a nipple inflator similar to the halcyon/hog nipple inflators, and I am at a complete loss as to where to get them. Short of asking the manufacture directly, is there anywhere anyone sells these, as I have 2 i would like to upgrade to this style and i would like to have a spare one sitting around just incase.

Thanks

Steve

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