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  1. tmassey

    90's Sherwood Oasis

    I think OP’s numbers are reasonable. Regulator servicing has gotten expensive. Here’s a quick example from a well respected company: Service for Regulators In short, $245 total, parts and labor, for one first stage and two second stages. DRIS might be slightly cheaper, depending on parts...
  2. tmassey

    90's Sherwood Oasis

    That is the last model of the old style dry air bleed design. It should use a piston that has a separate module screwed into it with a laser drilled hole and a plastic filter. It’s the most capable and reliable of that design: it can actually be cleaned without clogging and replaced if...
  3. tmassey

    Quality Carbon Monoxide Detectors for Scuba Cylinders

    Zero. The sensors aren’t capable of delivering that level of accuracy, so that level of precision is meaningless. Besides, because of that lack of accuracy, the sensors won’t actually alarm until they detect at least 3 or so parts per million. If it’s 3.0 or 3.1 or 3.2, are you willing to...
  4. tmassey

    2 Side Mount AL40's and a Back Mount S100?

    According to this, two AL40 weighs 30 pounds, basically the same as a single HP100. So it’s a wash: your config and double HP100 weigh the same. But seeing as you’ve said you don’t need the extra gas, use double LP50 or LP72 and save as much as 20 pounds… And wearing a set of LP50 doubles is...
  5. tmassey

    Quality Carbon Monoxide Detectors for Scuba Cylinders

    Yes, the device you are describing is very much not the one that I covered in my review. Unfortunately, it seems the Amazon link I included is now mangled, so I included an update with a link back to the manufacturer website, as well as a screenshot of the device so that people can be clear...
  6. tmassey

    Forensic Detectors Carbon Monoxide (CO) Detector Review

    Something triggered my review of this post and I see that my Amazon link is gone. That makes it difficult to know which one I’m talking about, seeing as Forensic Detectors now makes at least two, one of which is supposed to be more optimized for scuba applications – but is double the cost! Here...
  7. tmassey

    Shortage of hot dipped galvanized tanks in the US?

    All of that information is outlined earlier in this thread. It always pays to read the entire thread. :-) TL; DR: Faber didn’t actually perform the hot dip process, and the supplier who did is shutting down. Same reason why PST quit making them as well: it’s the opposite of a ecologically...
  8. tmassey

    Hopping my way to full cave...

    That’s me! That’s me! :) I’m very much looking forward to fleshing out those kind of numbers myself. As part of the class of course I did a 1000 foot swim towing the scooter, so I have a usable number for gas planning, but I’m really looking forward to getting a better understanding of all of...
  9. tmassey

    For Sale Bank Bottles / Cascade Cylinders: 4000 / 4500 / 5000 PSI

    I’ll leave in a couple days, and I thought I would bump this one more time just in case anyone was interested. Happy to deliver between Detroit and Gainesville next week!
  10. tmassey

    Buddy for Cave Diving in North Florida November 28 through December 8, 2024

    Most of my time is filled, but the final weekend is open. That’s December 6 and 7. Anyone up for some cave diving that weekend?
  11. tmassey

    HP hoses

    I may have missed the fact that people were talking about hoses for use with pure oxygen. If so, I apologize: I was coming at it from a breathing gas perspective. Pure oxygen brings about a whole raft of additional issues. I do not have enough proper training or experience to feel comfortable...
  12. tmassey

    HP hoses

    I echo what @Tracy said: Parker 527BA is their Breathing Air (hence BA…) hose. If you want the exact right tool for the job, that’s it. Parker 520N is Parker‘s version of SAE 100/R8. I have seen both the Parker version and other brands used fairly extensively in scuba and SCBA applications...
  13. tmassey

    For Sale Lights: Handheld / Canister / Tank / Video / Strobe - MegaSale!

    Sorry, no. No green laser, and all the OrcaTorch lights I have are 18650 or AA.
  14. tmassey

    For Sale Lights: Handheld / Canister / Tank / Video / Strobe - MegaSale!

    Dive Lights Megasale! If it illuminates the water on a dive, I probably have it for sale here! For the most part, I just want this stuff to go to someone who will use it. Open to offers for multiple pieces. All lights are tested out of the water. They are not tested (or warranted) in the...
  15. tmassey

    Buddy for Cave Diving in North Florida November 28 through December 8, 2024

    Heck, pay for the fill and you can borrow one of mine!
  16. tmassey

    Buddy for Cave Diving in North Florida November 28 through December 8, 2024

    Hello! My trip is just a couple of weeks out and I've still got a few open days. If you are in the area and have room for a dive buddy, send me a DM! I look forward to diving with different people, so get in touch!
  17. tmassey

    For Sale Wings / Plates / Jackets / Back-Inflate Mega Sale!

    There's two drysuits: https://scubaboard.com/community/threads/diving-concepts-front-entry-telescoping-drysuit-custom-approx-size-l-510.651993/ https://scubaboard.com/community/threads/andys-trilam-front-entry-drysuit-size-2xl.651992/ The Force Fins are Force Fin Pro, size XL. I can't say...
  18. tmassey

    For Sale Wings / Plates / Jackets / Back-Inflate Mega Sale!

    I'm two weeks out from heading to Cave Country. So, if you want something delivered between Detroit and Gainesville, now is the time to get in touch! Make me an offer! It's always easier when I'm already going that way... Or shipping works fine, too: I've got very competitive shipping prices!
  19. tmassey

    For Sale Bank Bottles / Cascade Cylinders: 4000 / 4500 / 5000 PSI

    I'm two weeks out from heading to Cave Country. So, if you want some bank bottles delivered between Detroit and Gainesville, now is the time to get in touch! Make me an offer! It's always easier when I'm already going that way...
  20. tmassey

    REE value for Norris LP72?

    I used to be worked up about the plus Hydro, so I very much understand the logic. But honestly, to me, 72s don’t make sense unless you feel them to 3000. And if you’re willing to fill them to 3000, you’re already willing to ignore the “rules“ so what difference does the plus make? Not gonna...
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