I'm interested in people's opinions on instructional situations, where one is by definition breaking rule #1. A friend of mine had the following situation a few years ago, diving with an inexperienced student in ~20-30m he had a 1st stage free-flow. When he attempted to share with the student she panicked and fought him off. He could have elected to blow and go from that depth, but instead chose to breathe the free-flow and stay rather than leave a panicked and possibly narced student behind. He calmed her and they made a controlled ascent, but he suffered a minor stretched lung as a result. I believe he now religiously dives H-valves with singles. Maybe a (side-mount) pony is useful in these situations that really don't warrant doubles but where one has an extended obligation to one's inexperienced buddy. I used to dive a pony when divemastering in order to reduce my reliance on student buddies. Opinions? Cheers Ric Richard J Lister Georgetown Institute for Cognitive and Computational Sciences Georgetown University Medical Center, Washington, DC 20007, USA Phone: +1 202-687 2878. Email: ric@gi*.ge*.ed* Web: http://www.giccs.georgetown.edu/~ric/ -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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