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Not what I mean at all. Trim is the desired outcome ... the means to achieve it will vary depending on chosen gear ... among other things like exposure suit, tank choice and even body shape.I don't understand this statement. Are you saying that proper trim isn't being horizontal and that the bottles should not be parallel to your body no matter what rig you are diving? I disagree with this premise and think that some rigs are easier to achieve this in than others. Some work well with aluminum tanks while others work better with steel tanks. I am of the mindset that there are 2 basic rigs. One for aluminum tanks and the other for steel tanks. Can you do both with either? Yes you can but I don't think it is optimal. There are people diving cold water who use minimulist rigs with smaller steel tanks and because of the drysuit lift they look pretty good. Take that setup to Florida or Mexico and it doesn't work as well. I think a basic set of standards can be written where some things are standardized such as the long hose on the right tank and having the bottles and diver in proper trim without spg's pointing down and such.
You can't just tell someone to put their band at a specific place, make their leash a specific length, and their tanks will sit right where they're supposed to ... it generally takes a dive, a tweak and maybe another dive. You can't universally say that a hose clamp works better than a cam band ... or that loop bungees work betterthan a ring bungee ... depends on other factors. You can't say that lollipop gauges are universally better or worse than routing them down ... depends on a few things, not least of which is choice of first stage. That's why it's not feasible to standardize ... not in the sense that GUE standardizes anyway. Some approaches work better on some rigs than they work on others.
... Bob (Grateful Diver )