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I have had the opportunity to dive twice in the last few weeks with people using the Zeagle Ranger. I cannot at all recommend this setup for someone using a single tank. The lift capacity is too great, and the "wing" portion is fabricated to be usable with double tanks. As a result, the center portion of the "wing" is broad, as one needs to have to accommodate doubles. With the huge wing, which has its lift heavily biased toward the hips of the diver, and the broad center, the result is that, with the average single tank, the wing severely "tacos", or wraps up around the tank, making the gas in the lower portion of the wing very difficult to vent when the diver is horizontal.
Both divers had tremendous buoyancy problems, and were only able to vent when nearly vertical.
I cannot recommend this particular setup for single tank divers. Do not be persuaded by the argument that it works for single and double tanks. It doesn't.
I don't think I've ever posted a thread like this in the past. But I can't remember ever encountering a piece of equipment I thought was causing the diver using it as much difficulty as this was, for both divers.
Hawkwood, thanks for the picture. One design flaw I noticed when I was diving a Ranger is the pockets. The pockets on the Ranger are horrible! This is why, look at the picture previously posted and see where the zipper is at the closed position. If you are in horizontal trim the pocket opens from the bottom. When I posted this in the Zeagle forum they said it was the first time they herd of an issue with there pockets . Every time I would open the pocket all the contents in it would fall out, what a pain in the back side. I guess if you dive like a seahorse you would never have an issue with the zipper arrangement of the pockets.