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  1. U

    For Sale Steel 72 Scuba tanks

    Interested. Messaged you
  2. U

    Wanted Halcyon Evolve 40

    Looking to buy a new or used Halcyon Evolve 40 doubles wing. Willing to pay up to $400 depending on age and condition.
  3. U

    MOD Stickers

    Dedicated tanks isn’t an alternative to analysis after every fill before every dive. There’s still analysis tape sitting on the neck of the bottle with the date of analysis. But the dedicated bottle is just one more step in eliminating variables.
  4. U

    OPV part comparability

    Fair point, but there are commonly used thread sizes.
  5. U

    OPV part comparability

    I just tried installing the OPV from my Halcyon DSMB onto a friends Hollis (non-SMS) wing (and vice versa) and they bold held air, despite looking different. The halcyon looks like the very standard cage design. I know that the DSS OPV kit can replace the newer halcyon OPVs. I’ve got the...
  6. U

    Slinging a pony from AL Dimension i3 BCD

    DR webbing stage kit is nice and easy to adjust without having to un-tie knots. I don’t like the oversized boltsnaps that come with it, prefer the DGX ‘medium’ size. I’ve cross-clipped one too many times with the DR Xlarge snaps. If you’re not removing anything underwater, not really an issue...
  7. U

    Slinging a pony from AL Dimension i3 BCD

    The shoulder drings are pretty standard, the hip ones are hard to tell from the photos but are sewn into the lower edge so hang off perpendicular to what you’d expect from a webbing based harness. Best to tighten up the lower rigging of the pony as much as possible since it will hang a bit as...
  8. U

    My journey into tech

    Those white fins are snazzy
  9. U

    Slinging a pony from AL Dimension i3 BCD

    Lower hip and shoulder metal drings on the BC so it should work in either side. Dive buddy has the non-i3 version and slings a 40 with no issue. But left-slinging might get in the way of the i3 thingy, so try that configuration out in the quarry before hitting the charter. Whatever way, make...
  10. U

    What is this stage thing?

    Thanks WetRocks! I would never have guessed. The diver already has two right-side hip canisters. I've seen some of the Halcyon video light cans and they don't seem much bigger than an average large modern canister light. I really appreciate these higher quality dive videos, especially in...
  11. U

    What is this stage thing?

    Letting a playlist of dive videos roll on my side monitor while I count down the days until I can get back in the water, and this one came up. Some incredible footage of a cave in Mexico. I'm wondering if anyone can shed any light on what the third 'stage' bottle/tube is the diver is carrying...
  12. U

    Source for colored 2" webbing

    I'm hoping to put together a bp/w rig with a little flair. Anybody know of an online source where I could order 10+ continuous feet of standard 2" nylon harness webbing in various color options? I found one supplier, but it looked more like it had the silky seatbelt finish from the pictures, and...
  13. U

    GUE Cave curriculum

    Are any of the exploration groups moving towards the GUE spec JJ over the RB80, or is it more of a deep ocean tool?
  14. U

    GUE Cave curriculum

    Apologies if this would be better suited to the DIR forum, please feel free to re-locate the thread. But I welcome a discussion about the merits and intracacies of continued education in cave diver training, regardless of agency/instructor as well. I have very little interest in seeing the...
  15. U

    GUE Cave curriculum

    Looking at most agencies standards, there are stage/multi-stage as well as technical cave certs following Full Cave. How does this advanced curriculum fit within GUE Cave training? I understand that C2 is roughly equivalent to full cave plus a single stage. Now that GUE has eliminated C3 from...
  16. U

    Gas sharing at deco stops

    I don't understand this. How do you have more backgas in sidemount if your gas planning is the same?
  17. U

    NEW TS Sidemount system

    I thought Toddy Style system including 2x1m hose was based around using aluminum cylinders only for balance and the idea to trade tanks in oog. So why does the bottom of the top "backplate" have rails for tanks? Those don't work well for ali cylinders because of the change in buoyancy, just for...
  18. U

    My journey into tech

    All stages/deco on the left seems to be more of a BM convention. Everyone I know doing staged decompression diving using SM puts deco bottles on either side, following RR/LL.
  19. U

    My journey into tech

    For sure. I used to dive GL wrecks regularly and was in the minority with a twinset over SM divers. Out here in the PNW, BM/SM distribution seems to be skewed slightly the other way. Some places are super SM friendly, and some will look at you like you have a second head of you show up with a SM...
  20. U

    My journey into tech

    I think that's the disconnect here Marie. Some boats are more than willing to assist and hand down/up tanks etc. Especially when you have a good relationship with the charter like it sounds like you do with your local boat, this is the ideal solution for you to carry multiple tanks with your...
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