For warm water ocean diving I've been using double aluminum 80's and either diving wet or dry, depending on water temperature and the dive profile. I'm new to the alum. 80's and I have to admit, I'm unbalanced with them. I JUST got my own, so now I can move the bands around. That was not an option with the ones I borrowed before. I tried using a V-weight but I've discovered that it does not work with my body proportions. It throws me off even more, causing me to fight the way the tanks want me positioned throughout the dive. I do much better with weight on a weight belt around my waist. I position the weights toward the front, forward of the hips. Like this they do not interfere with the backplate at all. I put the belt under the harness, but I can still slide the weights out to ditch them. It is also not difficult to loosen the waist and crotch strap to ditch the weights if required. I wear the belt above my natural waist, so that the harness can be positioned on my waist itself. I'm new to all of this, so I know I need time with the equipment to figure out what works best for me regarding weight, band height, etc. I have an aluminum backplate, I'd like to experiment with a steel one to see how that would be. When diving wet, I might not need weight if I use that. Regardless of the way the weight is worn, you should be able to swim the tanks up with an empty bc/wings. (That's the primary reason for using aluminum cylinders.) Ditching the weight should be unnecessary. JS -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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