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Well, they can rest easy. Since I won't dive without a knife, I won't bring one there. No problem!

Having had the honor of being entangled a few times (once through my own fault), I will assert that a minimum of two cutting devices should be carried at all times, and one of them should be a set of trauma shears that will cut metal leader. I carry a line cutter on my right wrist (on the...

Don't dive there. I wouldn't.

Well, for one thing, we can dive a lot more if we don't need to travel to FL first!

I scanned the posts trying to find this point, and may have missed it. Sorry, if so. When the need to donate occurs, you are in *water*. By definition, if you can move, its temperature is above the freezing point in fresh water, and edge cases aside likely above it in salt as well (I have had...

When is the IP too high? - When the O-rings blow - When the hose to the 2nd stage explodes - When the 2nd stage won't stop flowing until the valve seat is so tight it won't open at all - When the lever bends before opening the 2nd stage valve - When your cheeks go hollow trying to take a breath...

Same here. I use graphite to lube them.

The goal should be to be a full-service shop. What you are describing is a reasonable first step. But you'll need to service regulators, BCs and wings, change computer batteries, and such. Find the local hydro shop and make a deal so you can offer hydros at a reasonable price. Add a tumbler...

Scuba is not exactly a high-volume industry. "How do you make a small fortune in the dive industry? Start with a large one...."

Today I met with a CPSC investigator on a topic utterly unrelated to diving. However, diving got into the discussion for a weird reason and she mentioned there had been some scuba-related recalls I might want to be aware of. So far (I'm on p. 4) none matter to me personally, but it's easy to...

Maybe. Or testing the tie once in a while by putting it under tension with a winch or the boat's engines. But honestly, I have only seen this happen once, and it was a non-event. Everyone (or every team) just blew a bag and did their deco. As they came up the boat came and got them. Nobody...

In the past, I have found the people directly involved in serious projects like this very receptive to private communications and willing to share their knowledge. I don't know whether any of the folk you need to hear from will see your question here. They are not particularly hard to find as...

In the instance I was involved in (as a diver, not captain or crew), a big chunk of the tie-in point broke off the ship from a combination of corrosion and metal fatigue. The whole thing was encrusted in marine growth, making any real inspection about impossible. The chunk that came off was...

I tried for days to resist temptation and just leave it there. But I could not. ;-)

I measured one (an LP30) before posting, and it was about .150" per one of my dial calipers. I could break out a decent mike and ball bearing and measure it down to tenths, but that seems like overkill. In 2006, Vance Harlow wrote: "Acccording to the DOT specs, Steel 72s must have a minimum...

So I guess I'm with Jim on this one. BP/W is one size fits all because they're infinitely adjustable

Yeah, maybe. Steel tanks aren't anywhere near 1/4" thick anywhere, though. The walls are about .150" thick. The one I measured some time ago was something like .015" thicker on the bottom compared to the sides (going by memory). I'd measure the groove and depending on its maximum depth I...

OK... ;-)

Steel or aluminum? BTW, no way the bottom of either one is anywhere near 4" thick.

My first instinct is "find one that fits." But on further thought, how old, and how many dives?