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| Originally Posted by Mark Chase This is not a deco race, |
Agreed.
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| Originally Posted by Mark Chase Understanding and planning becomes redundant when you’re faced with un-dived wrecks or new sites. |
I'd say they become more important.
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| Originally Posted by Mark Chase The VR3 lets you dive with a blank sheet. |
I didn’t really want to get into a computers vs <something else> argument. I’m sure it’s all been said before. What I’m curious about is how people plan their stage deco dives if they use a computer but have tables for back up. As I see it either the computer provides no real advantage or the option to use tables instead at any given point in the dive in not necessarily viable. Also, could you switch from a VR3 controlled ascent to VPM tables halfway thorough?
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| Originally Posted by Mark Chase Total dive planning none, total gas planning none required (ignoring bail out) the freedom is amazing. |
I know zero about CCR’s but I would have though that OC bail out planning would be much the same as for a standard OC dive. I would have also thought that the planning for O2 exposure, runtime (scrubber duration vs gas supply) and max depth (dil MOD vs back gas MOD) would be quite comparable, but like I say I don’t know anything about it.
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| Originally Posted by Mark Chase A friend of mine joined a serious tec diving group called Team Delta. He turned up with his VR3 and got the mick taken out of him. Now 18months later they all have VR3’s |
One bad apple, eh?

I’m imagining a team of three divers with two VR3’s each and all six of them saying “Use Tables” because they all did the same thing on ascent to annoy the computer.