bcsean:
the oxycheq is also a good donut wing to consider. And for single tank diving, a donut is really the only option. Or at least the only good one
Well, until tonight I would've agreed with you ... but I can't anymore.
I did two dives on the DSS wing tonight, and I have to say I'm pleasantly surprised.
The first surprise was that ... in fact ... I don't need more than a 30-lb wing. I used to own a DR Venture wing, which has a similar rating. But this wing definitely provides more lift than the Venture. Our first dive started with a reasonably long surface swim, and unlike the Venture, this wing gave me all the lift I needed to stay comfortable on the surface, both for the swim and for the several minutes it took to "herd cats" with our students and get everyone organized to begin the dive.
Second surprise was how nicely it performed down under. The inflator valve is situated more like a doubles wing, with the valve centered rather than on the left side, and using the inflator hose for dumping was really quite easy. Also, the rear dump is easy to use ... I didn't notice any difficulties venting while horizontal at all. In fact, it's not noticeably different than my Oxycheq (despite the fact that this isn't a donut-shaped wing).
Now, I really like my Oxycheq wings ... and it ain't likely I'm gonna be making a big switch to DSS. But this wing is nice. It's got a more compact footprint than the Oxycheq, but it still trims nicely with the LP95 I was using tonight. I felt comfortably from the get-go, and didn't experience any noticeable performance difference between this wing and my Oxycheq.
For those who say you cannot get good singles performance on a donut-shaped wing, all I can say is you should try this wing ... it might force you to rethink a bit (it did me).
I'll be diving it on a drift tomorrow ... I want to give it a few more dives under different conditions. But I will say my first impressions were favorable.
Tobin, you've got a winner ...
... Bob (Grateful Diver)