Any news?

Ben Field

The PPO2 please, from all cells, right in front of me all the friggin time and nothing else

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Soren Thomsen

pssst.....pictures...please

Soren

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David Pye

Seconded. (And the ability for it to warn me about CO2 levels). I don't want any other monitoring, hence my likelyness to replace the electronics with shearwater+pursuit :-)

David

Ben Field

For a annual return service unit that kind of thing will go down like a tonne of bricks...

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David Pye

Well, it's available with and without electronics, so Alex must be open to the possibility that people may have different ideas to him as to what constitutes the ideal :-)

David

Ben Field

I think he meant it was available with and without "Monitoring"... the electronics are still there, you just don't know what they are doing- remember this is supposed to meet the OR standard, impossible for a MCCR with no electrickery!

FWIW (tongue in cheek) I don't think Alex would agree that peoples alternate ideas do constitute the ideal- afterall he spent the last few years trying to prove everything else is less than ideal!!!!

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matt crane

But surely if you replace the electronics with your own setup you invalidate the CE marking so when you send it back for service you will either have to return it to original first or the factory will return it to original at your expense before servicing it and returning it ?????????

David Pye

Heh, who said it would go back for a service? ;-)

David

AD_ward9

I attach a pic of the front of the unit with the webbing harness, no BCD fitted as with a dry suit the trim is just right. The unit shown is grey: lots of black does not photograph well. Handle at the top is old one: the handle is the carbon fibre ones we showed at DEMA 2007 on the commercial units on the new batch. Tank knobs will face the diver on next batch also. Picture below is with the correct loop flow: right to left. It is so clean on the front!


On the scrubber, the sports scrubber inside is a bit boring: just the barrel and two end caps, seals and flow-cones. The interest here is probably the sports monitor package: I don't want to show that just now as it gives a trick away. Instead I attach a picture of the eCCR cap showing the fully moulded parts inside, other than the 2 injectors. It shows the 4 O2 cells, the two injectors, the CO2 sensing bell, with scrubber stick in the centre. The sports electronics package is much the same but no scrubber stick and no injectors in the scrubber cap. The metal thing at the bottom is the clip that holds the scrubber to the frame: it acts like a spring providing shock mounting. The two shiny tubes at the bottom are the battery holders.

Further pics will be in the datasheet we plan to issue in September.

On the alarms, good comments. I will post the alarm matrix for people's views. The voice alarms do more than just PPO2 and PPCO2: they alarm on scrubber open, flood, mushroom valve failures (there is a trick we do to detect that), espiratory alarm, diving without pre-dive checks - it checks for pos and neg pressure checks, tank contents, tank gases. Missing pre-dive checks will bug the diver so much, they should get back on the boat, but he still gets to see the PPO2.

PFD lights show O2 on the left, for each cell, PPCO2 and major system warnings on the right. The user can set them into stealth mode (where only problems are shown), night vision mode (where all green lights become amber-red) and standard mode (where red is only used for serious alarms).

Cheers

Alex

Attached Images

	OR_Sports_080720.jpg (118.9 KB, 254 views)
	OR_eCCRscrubber open_080720.jpg (103.2 KB, 252 views)

AD_ward9

No, David was right.

It is available plain, and with electronics. Plain means not a wire in sight.

The plain unit is intended for those who think they can do a better job on the electronics, or want something different, regardless of what I think. Fact is plain mCCRs seem to have a good safety record for now, so if someone puts their own monitor on and goes diving, I will be relying on a well written waiver. Even without electronics the unit has an extremely low WOB, light, tough and very few failure points: a big improvement for most divers. It gives an opportunity for other companies to offer all sorts of monitors and accessories on what is fundamentally a very solid base, rather than trying to do their own base every time - that is really expensive. The unit should open up opportunities for more companies to be involved with rebreathers.
A more beautiful back cover would be a good start ... or the gas switching block for deep dives using a combine ADV/BOV. I can see some companies adding an eCCR controller to the sports mCCR, and granular scrubbers - much as I do not like them for safety reasons, I am sure someone will add it: if they use DraegerSorb the WOB will increase by 1.1J/L and still be less than most rebreathers out there.



Alex