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  #41 (permalink)  
Old 23-02-08, 07:12 PM
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  #42 (permalink)  
Old 23-02-08, 08:19 PM
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Nice report Clare, and nice to meet you at 40 Fathom Grotto. I can vouch for the place as being dark, looming and generally not nice, especially in the 'underwater forest'.
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  #43 (permalink)  
Old 23-02-08, 09:24 PM
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Mark, dispite the fact your a Heron shagging tosser I agree with you , Steve S 10/04/08
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  #44 (permalink)  
Old 23-02-08, 11:08 PM
W Wilberforce W Wilberforce is offline
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Good article, the rebreather sounds terrifying- twin 12s!
I gave up OC to save my back, just the thought of this makes it hurt.

BTW, I thought that the RB80 had a passive addition, with a one-way valve in the bellows to dump a fraction of the loop gas every breath, giving you some fresh gas each cyle- ala the Swiss EDO-4

What if this valve fails closed, are you not rebreathing the same gas, thus rebreathing the loop more than you are supposed to (and dropping the ppO2)?
Is this not a serious failure point?

Just wondering...
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  #45 (permalink)  
Old 24-02-08, 01:44 AM
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Well done guys. Nice report Clare.
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  #46 (permalink)  
Old 27-02-08, 03:25 PM
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Mark Chase Mark Chase is offline
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Fantastic write up and a fantastic achievement. Well done to all of you thats the toughest intro (to any type of Rebreather) I have ever read.

Welcome to warm moist gas. You will really appreciate it in the next couple of months.

A RB80 can only mean some big dives planned and I am already looking forward to reading the trip reports.

ATB

Mark Chase
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Mark, dispite the fact your a Heron shagging tosser I agree with you , Steve S 10/04/08
ATB as most people will tell you, means Always Talking Boll@cks. My responses to threads should be treated accordingly
All The Best

Mark Chase

Screw the force Luke, use the VR3
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  #47 (permalink)  
Old 02-03-08, 06:40 PM
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wreckweasel wreckweasel is offline
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Quote:
Originally Posted by Paul Evans
Its a shame the other agencies dont do this for Full trimix OC divers wishing to move to RB. IMHO...........
To be fair the RB80's beauty lies in its simplicity. Essentially if you can breath and hear it venting, its working (as long as you tested the flapper valves!). Given this, its essentially OC, hence why the courses dont need to focus so much on bailout modes/diagnosis etc.
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