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I think scubaboard people tend to overstate the advantages of a BI over a jacket, they tend to be a bit more tech-ie than the average diver. For warm water not much neoprene diving its just about a wash. That being said, I dive a back inflate for my warm water diving (actually a dive rite...

OK guys thinking about going rebreather: Are you (can you) jumping right into it from non deco open circuit? I always kind of thought that the path was more like get to the point with OC systems that you are doing deco dives with accelerated deco with up to 100% O2 for the background in that...

My wife cannot come NC do to a work situation. We've talked about her coming at the last minute if there is a drop out or something. In theory in NC no SMBs, lift bags, or Jersey uplines will be deployed. Let's all just plan on making it back to the anchor line, though I will have a Jersey...

So my wife (shelfrick) and I decided to spend a couple days at Breezes Runaway Bay in Jamaica. It's billed as an all inclusive with scuba as an activity. We did not expect a Bonaire or Roatan type dive resort, just a long weekend with a couple days of decent diving included. Here are the high...

I've dived up and down the keys, and do like Key Largo best, but Dive Key West is a good op. Go mid week. Cowboy Bill's Honky Tonk is fun on Wednesday nights.

Back on track- Want redundancy enough to continue to dive that day if the really nice AI fails? Buy a wrstwatch style computer and an inexpensive SPG. Dive both comptuers: (wristwatch, in my case a Stinger) and the AI computer (in my case a ProPlus II for my AL80 singles diving, my heavy...

With havy doubles you end up not controlling nouyancy with the drysuit. YOu'd hve to add too much air. You end up managing bouyancy with both wing and suit, essentially putting enough ait in the suit to just avoid the squeeze. Which raises the issues of the utility of this concept when...

The fact that typically there might be one other guy on the boat with redundant computers besides me when I do AL80 warm water diving (i.e. the bulk of the industry). I do dive an AI computer on a hose with watch style computer as a backup, with an analog guage set in my kit if the AI fails...

Why? By definition, recreational divers are in NDL. If anything fails (somputer, SPG, whatever) surface at a safe rate. Sure you're done for the day, but most people would rather do that than pay for extra redundancy.

No no no. Does the computer give you PSI readings? That's a guage. If it fails you abort the dive, just like you would if the computer fails.

With another computer. For most NDL dives no back up is fine. The vast majority of people recreationally diving are on dives where an immediate ascent at a safe rate is fine. I dive two computers on the warm water dives I do with my wife so that I can keep diving that day if one fails. I...

I have never had a problem bleeding a pony to 200 PSI or so and sending it UPS or FedEx to the dive op I am going to and having them fill it. With pressure in it they should not have to VIP it.

You presume either a total lack of redundant buoyancy or an inability to use it. I dive redundant bladders with a 20 lb SMB and a 50 lb lift bag with an OPR valve designed to be operated during an ascent. This is with a drysuit and twin steel 120s. The drysuit as my only buoyancy is just not...

I have dove my work issued Viking in all those conditions I described above. I also strap on doubled 120s and back roll off a boat in the North Atlantic for recreational dives wearing it. Its a little heavy and bulky for recreational diving, but it seems indestructable.

I wasn't going to post, but not diving with females because of being old fashioned is, no offense, a little weird. What if I get assigned a female partner at work? I can't say sorry I'm married. I have to travel a lot for work and work and live in sometimes austire conditions, and sometimes...

If its a true pony (emergency only) air fill it. You could bounce deeper in a real bad emergency (yes I know bad, but stuff happens, e.g. unconscious buddy drops below EAN limt), its cheaper, and if you bail on the air just head up and extend the safety stop - though at that point I would sit...

You are not going to be back rolling off a boat, which is what most drysuits are designed for. You are going to be crawling through mud bubbling up with petroluem products, you are going to be reaching into and under wrecked cars, you are going to be dealing with bodies leaking a lot of...

If I jump in the water for a second or third dive with doubles when I think I might have any kind of gas issue in an emergency (i.e. if my dive buddy in a fresh single has as much or more gas than me for example) I will clip on a small (19) pony. Now I have triple redundancy. But I am also...

You still have the ability to shut down a defective regulator (the whole thing) with access to all your remaining gas, or to isolate the problematic tank if that doesn't do it, leaving you with half of what's left. Assuming proper operator input, you are thus always carrying, at a minimum, a...

I have been diving PST steel 120s for some time in a vulcanized rubber drysuit in cold waters off New Jersey. I am utilizing a Dive Rite classic dual bladder wing. I do not run an LP line to the backup power inflator. I was tought that when diving dry the suit provides some degree of...