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Speaking of unsupported crap.... There is no such things as "perfectly neutral". You are either positive or negative, NEVER perfectly neutral.

"If you don't have enough weight, just allow some water into your BCD and it will add enough weight to allow you to descend" That gem came from an IT/IC for SSI

Lot's of regrets today, but submitting to the temptations Lynne presented will never be one of them. Thank you, Lynne.

****, just.... ****

Happy birthday!

It wasn't me.

A bunch.... Generally speaking: New guys like to zip around, flip rocks and give their new super powers a workout. Women tend to be more cautious and slower in the water. Every movement burns gas. Guys are moving a larger surface area through the water and that takes more energy, which burns...

When I feel like this, and I am of sound mind, I will ask myself why I care so much that it should bother me so. It's not a person's desire that I find disturbing, it's the fact that they can actually pay their way up the ladder in many cases and become instructors with less experience than I...

I often hear or read something along these lines when someone is rationalizing a personal choice that has the potential to impact others. It occurs to me that of the OOA incidents I've either read or heard about, very few have been a buddy pair. Secondly, when things get stressed, a person's...

I love this idea.

Pete, there are some folks who are genuinely interested in the mechanics and technique you use to achieve the results you claim. Why won't you answer? If you can't find the words, how about posting some video of CW1? I think I do a pretty good job with buoyancy and trim, but nowhere near the...

Perhaps you're spending more time on the surface than you thought? I haven't dived a VT3, but the following excerpt is from a COBRA manual and should help you understand the basic functioning of your PDC.

As a working DM, your SA will certainly get a workout. That's a valuable asset, and one that can't be developed in as short a time as any course I'm aware of, so I wouldn't write off DM as a valid path to expanding your skill set. What 'Technique' are you looking to improve or learn?

I've had this OP arm since 1979 and it hasn't seen use in nearly as long. It's a little different from those I've seen posted so far, so thought I'd put it out there. I'll add a bolt snap at the ball joint and perhaps a length of bungee to the end with the light for stowing the rig. In...

Since you're specifically asking about a DSMB, I'd recommend keeping the size to 3'. If surface conditions (large swells) are such that visibility is an issue, I'll stow a tall SMB in a pocket and leave the 3' DSMB pre-rigged for deployment. From 15', the 3' DSMB takes a bit less than a breath...

That's the idea, but the curve is wrOng for my purpose. I need to push a consistent 50cfm@30psi

There isn't one single correct answer in this scenario. I can think of at least five different ways I might handle it, but each would depend on the situation and the diver involved. My preferred method would be for the diver to feather the valve until the first thawed. No significant loss of gas...

No, nothing like that. It boosts intake pressure from 1atm to two before it hits the first stage and sits between the intake filter and Nitrox stick. I've never seen one, so I can't even tell you what they look like.

You're going to give Haleamano an aneurism with a post like this.

Last year I built and installed an ambient pressure booster onto our RIX 4VX 24CFM compressor intake, effectively doubling the compressor's output to 48CFM. Now, I'm in the process of valuing assets and am looking for a price on a commercially available equivalent. My Google FU must be weak...