ams511
Contributor
Update, finally found some time to pull the wings apart, the 30lb was seized solid so only the 18 and 40 came apart. Looks like I don't need to eat one my wings which is lucky as I'm not feeling particularly hungry. As you can see from the photos the 40 bladder is considerably bigger than the 18. I'm not surprised given outer dimensions of both. The great Oxycheq mystery is solved. We can all sleep better tonight. Cheers.
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Thanks for taking the trouble. It is interesting that the bladder on your 18 is black. From what I remember mine is opaque like the one on your 40 lb. Is there much difference in size between the 40 lb and the 30 lb?
---------- Post added March 8th, 2015 at 03:51 PM ----------
Sorry, I wasn't clear; my wife said Budda's comment could be interpreted as using wrong equipment underwater could "finish" me (for good!)
Purchase a lot of insurance, her next husband will appreciate it.

---------- Post added March 8th, 2015 at 04:21 PM ----------
I used to be an Oxycheq dealer so I know how they are with customere service (me as a dealer). As long as I was buying and had no problems or returns, fine. But as soon as I started having problems with a bunch of lights (I was selling) they were MIA, didn't want to hear it, pretended they weren't getting e-mails, wouldn't own up to the fact that the lights they ordered and had made in China absolutely sucked! Every single one of them failed, some before they even hit the water.
Oxycheq fell into the trap of wanting to be a "full line" dive manufacturer. Their core competency was in BP/W and then brought in lights and regulators. OMS also tried this and failed. As did Abyss and Salvo. I would assume that there was not enough margin in what they were selling to allow for massive returns. Especially if the Chinese OEM would not pay for defective units.
The new wings from UTD and Apeks appear to be made by Oxycheq so maybe they will take on a new life as an OEM. There are very few Oxycheq dealers left.