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I'm not sure where you are in NJ, but I've got dozens of "donuts" that convert 200/232 bar DIN valves to yoke. If you're near me, just drive buy and pick up a few, no charge.

I think a more recent example is the death of Darrin Spivey and his son at Eagles Nest on Christmas day 2013. These 2 had been diving in caves even though neither was trained or certified. In fact, I believe the son was not even a certified diver. But going beyond training and managing to...

I believe the bottom mix was planned for 4% O2 and came out 3.9%. That's certainly acceptable. Helium % was fine too. END of 138 ft. Bottom pO2 of 1.46 (or higher if he went deeper than planned, like he did on his 2 training dives) might be a bit high for my taste, especially for a 10 hour dive.

Dove is a heteronym. Two words spelled alike but pronounced differently and having different meanings. Lead, wound, etc. iPhone. iTypo. iApologize.

A wing might be inflatable, but methinks you posted the wrong video, Tobin. iPhone. iTypo. iApologize.

Until you post a photo, I refuse to believe there is a + rating stamped on the tank. Either you are mistaken or this is a troll posting. That's my story, and I'm sticking with it. iPhone. iTypo. iApologize.

Just be glad you're not having to deal with crotch straps. iPhone. iTypo. iApologize.

This brings up another general guideline for private boat crews. Don't broadcast it. As Manni said, the captains/owners are looking to cover expenses, not make money. Private boats don't have the same liability insurance needs as commercial charters since they don't take paying passengers...

Not to be picky, but you might try a different acronym. While your discussion about your buddy BOB is amusing, the term BOB refers to a bailout breather. Essentially a backup rebreather carried on big dives where carrying enough open circuit bailout bottles becomes too arduous. iPhone. iTypo...

That's where SCR comes in handy to stretch that limited supply. iPhone. iTypo. iApologize.

If your arteries have 140 psi, I suggest you get to a hospital immediately. Your systolic blood pressure would be about 7,240 mm Hg. Normal blood pressure is less than 3 psi. iPhone. iTypo. iApologize.

Remove the cover and look under the diaphragm at the openings in the housing. If they are shaped like a 4-leaf clover, it's the old style housing. If it's a grid pattern, it's the new one. iPhone. iTypo. iApologize.

I'm a little confused by the original question and the answers being given. Your problem doesn't seem to be with the wrist seal, it's with the inner diameter of the ring system. Whether you put a seal in or not doesn't change that by more than a mm or so. You still need the ring in order to have...

Exactly like the video tbone posted. Do not clip to the spool. Eventually you will break either the clip or the spool doing it that way. iPhone. iTypo. iApologize.

You probably ordered 3/8. That's the most common size. But the SiTec might be a 1/4 barb. iPhone. iTypo. iApologize.

I wouldn't worry about the cost of a He sensor. Those that want He analysis know it is expensive. But making something modular that starts with O2 and could add on easily modules for CO and He would be outstanding. It is what I suggested to Dive Nav for the new CooTwo. Just imagine small...

He dove a Meg rebreather. There was one open circuit guy on the trip.

No doubt. But that's one round trip between NJ and RI, spread over 4 Doria charters. iPhone. iTypo. iApologize.

And for more clarity, Rich took the John Jack up to Point Judith, Rhode Island for the Doria trips. It would be nuts to try to run from NJ. iPhone. iTypo. iApologize.

The John Jack will undoubtedly have an even greater percentage of the Doria mishaps in the future because they will have an even greater percentage of the trips. With the demise of the Garloo, I'm not sure if there will be another operation to make up the slack.