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Maybe it's a dumb question, or maybe that it's just way past my bedtime, but .... If you're that clueless at this point in the project, ..... shouldn't you be rethinking the entire endeavor! Just the thought that crossed my mind as I read the post, seeing as how scooters interest me a...

But maybe IB's got somewhat of a point: "Wich aspects of DIR are too much for OW diving...managing gas?...working with a buddy?...a streamline equipment configuration? Which? ...good technique? because that's the bulk of what they teach OW divers" No one would would question that gas...

"So why is SOLO diver a SDI course, not a TDI course? Any ideas?" Because it doesn't fit the general and specifically the TDI definition of tech diving. Which would be that it has to be a dive that incures planned deco and/or gas switches. The solo course is designed for advanced rec...

"If you are so unfortunate as to do all your diving in those locales cursed with unlimited visibility and gin clear water this won't work for you... sorry." Some how I think i can manage another day being "cursed" in such a way, lol ... Neat idea though UP Darlene

Roo's got it right on the money here ..... Just sit back in your Lazy-Boy and prop your knees up in front. Just lean back a bit flatter on your back for those long surface swims .. it puts most fins at a better angle in the water than face down with a snorkel. If your back inflate is...

In the post that I called to task, there was never any mention, not even a hint, of anything other than use of the single tank with the usual recreational K valve and reg setup. I have no issues with H or Y valve setups on large capacity singles for those *properly trained* to make use of...

WTF are you thinking ....... Deco dive planning with a single tank !!! Now you're putting the noose in the end of that rope. You guys must really do things differently where you are. Darlene

You haven't got the picture in focus yet ....... Plan A: They probably already snatched your primary out of your mouth ... You hang onto his/her bc strap with with the left hand, you have your right hand to dump your and his bc by pulling the inflator hose (or a shoulder dump cord ... which...

Your theory that anyone that's big, and therefore has big lungs is a "natural born Hoover" just is Not supported in reality. There are many big guys in diving with working sac rates of .6cfm or better and resting sac's of .5 or better. There is a greater number that's slightly higher, but still...

Actually, mix should be in your future, there's been progress in the last 5 years, Giant wings with the incumbent drag are "out" ... effficient, streamlined, sized for the task at hand, wings are "in" ... clean functional gear configurations are the norm. .... less drag yields much better gas...

Exactly, while the AirII isn't the greatest reg to have to use ... it is certainly adequate for recreational depths and not that hard to use with an ooa buddy. More importantly, if I have an ooa rec diver to bring up, I want them close enough that I can grab their bc strap and keep them where I...

"I've met some really big divers who use a LOT of air, newbies mostly but I'm not sure that experience changes air consumption much. It happens but I wouldn't make any assumptions." No assumption about it, .. If you dive regularly, learn good breathing techniques and always practice them as...

You have all that crap on one 1st stage, if you have a significant air loss failure of any second stage, you'll be SOL on all of them, since the IP will drop too low for any of them to work. This is one of those times where "something else to fail" can definately be a bummer. If it's true...

There's 2 other things about nitrox you may want to factor into your use plans. 1) While most basic nitrox courses teach that O2 is as narcotic as N2, so therefore trox is as narcotic as air, ... There is considerable research that suggests that it's more closely 1/3 to 1/5 as narcotic as...

Of course (in my case at least) that was after a bazillion dives (well, pretty many anyway) with single 80's to where I had the "watermanship skills" and sac rate to make that a practical tank alternative. Those 100's make sweet singles and then double up nicely as well. Darlene

Most of the issues with OMS stem from: 1) Lack of Class .... the way they advertise ... bashing others that they just coppied ..... barrel oring manifolds for starters 2) Vaporware ... the best things they advertise are still often vaporware long after appearing in add media ...

Don't you guys down there have massive tax and import fees to pay, negating most of that huge savings you expect? As well as lenghty time delays in customs?

Having spent some time on both sides of the lense, You have to accept advertising pics as what they actually are: specifically, "carefully choreographed artistic renderings designed to elicit specific emotional responses." It doesn't make much different what they are advertising, could be gear...

All the redundant bladder bc's run one inflator hose off each side .. right and left, It's most practical that way, .... but the actual bladders are front and back, each one has to be symetrical or you'd never keep ballanced. Either bladder inflated fills up inside the whole outer shell...