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I’m a Canon user, and so i have to ask Scuba Lawyer, which Canon F-1? It’s probably the older F-1, but Canon came out with the F-1N (New) and also the New F-1. Each had somewhat different controls. Also, each of these F-1 cameras had different Action Finders, which allowed the diver to easily...

I don't have an insight for these boots, but must ask, are these steel tanks, or aluminum. If steel, and they are not galvanized, I would not put a tank boot on them due to corrosion potentials. 'Just some random thoughts. SeaRat

[quate=old frogman]Very interesting. Releasing one Capewell on water entry makes sense. I used that technique on the MC1 in strong winds. The S17 with the TU modification appears similar to the MC1. I noticed you carried two knives. The knife that appears to be located near/or on the reserve...

When we were approaching the water, we would grab one riser, and with the other hand release the Capwell disconnect. Then, holding the riser, we would release it upon entry into the water. That effectively threw the entire side lines over the ‘phone, and deflated the canopy in one motion. It...

A Free flow from a valve O-ring will not produce a frozen regulator. The regulator will continue to function normally until the tank runs down to about 250 psi, then will get hard to breath. The most likely failure point is the valve’s O-ring between the parts of the valve, and not at the...

The S-10 parachute canopy used an oval hole in the rear, which was distorted using slip risers. Initially, when we first jumped, there were pins on each side that kept the risers from slipping. We pulled the pins (they were tethered) and could turn by pulling the front right riser down, and...

No, it’s a S-10, with sliding risers and the oval cutout. The canopy is the same as the Army T-10 except for those modifications for steering. SeaRat

Have you, or anyone you know, ever had a “catastrophic gas loss”? I’ve been diving since 1959, and never experienced this situation. But then, I’m a vintage diver, and sometimes dive a Mistral or Healthways Hybrid Gold Label single stage, two hose regulator which has a total of 6 moving parts...

Okay, I’m going to have to comment here, as I have been working in the occupational safety and health field for decades, and am a retired Certified Safety Professional. I also have a Master of Science in Public Health (MSPH) degree, specializing in industrial hygiene. First, let me address...

If I were you, I’d go with the twin 72s. I’ve dived them over the years, and they really perform well in the water. Dry the independent doubles, and know that you can get a manifold if you want to change after trying the other route. SeaRath

I have two comments about this YouTube video. First, I would not crimp the hose to put it into the holder. This, over time, could compromise the hose. I have one regulator set up for the long hose, and it's more of a comment on the DIR idea of the long hose. I have my original Calypso...

My first regulator was a Healthways Scuba double hose regulator, and I have one that still works. You can see it below on a twin tank system. The Scuba Star regulator was my first single hose regulator; I have both versions, the upstream and the downstream valve second stages. I also have a...

You’ve got two of the best regulators ever designed in this case. The Scubapro Pilot is without peer, and the A.I.R. I is a close second. I have both, and still dive them. The Pilot is an interesting regulator, depending upon O-rings almost entirely in the second stage. I’d replace all but...

Well, I’ve been diving solo for decades, and in rivers. Yes, there is entanglement, especially with fishing line, but nothing a sharp dive knife (yes, the BFK) that I carry on my leg cannot handle. Learning to use currents, and that currents on the surface are usually much higher than on the...

I have read through this thread, and it reinforces my decision to never do technical diving. Why? Well, I’m a retired safety and health professional, and industrial hygienist. I have served as Manager of Environmental Health and Safety in a high tech chemical manufacturing facility. There...

Jadairiii, One of the things you could have done on the swim in is to tell her to breathe deeply. The reason for the CO2 buildup (hyercapnea) is that people are told that they can “breath normally” when using this type of full-face snorkel mask. By breathing deeply, she could have flushed off...

David, it’s fun to see the evolution of dive gear. It looks like Cabo and Cressi sub teamed up to provide diving gear to Chile. SeaRat

Well, for awhile I was working on underwater communications, and had the idea of putting together a hard-wire system much like the intercom system we used in our U.S. Air Force helicopters. I figured that I could put a cylinder together with a battery, and the electronics for a wire to be...

Skip, I’ll be 80 in mid-December, 2025. Right now, I’m on my eightieth trip around the sun. ;) SeaRat PS, my brother’s nickname is Skip.

What does that say about me, born in 1945? ;) I have a number of sets of Duck Feet fins, dating back to the early 1950s, that still work. My original Healthways Scuba regulator is gone, but I have bought used ones that I still have. One I have converted to what I call a Healthways Hybrid...