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  1. W

    Wth?

    Yes, that was rude. The proper way I would do it is to grab My OWN inflator and burp a few bubbles from it and point to the other person's inflator. Earlier in my diving history(late 90's or so), I pointed to another diver's computer dangling from his BC and poked it. Later on the surface he...
  2. W

    What do you drysuit divers use to compress excess air from legs?

    I dove my Hollis Fx100 for the first time this weekend. Overall a good fit but the torso is barely long enough such that after getting legs and arms in, trying to slip the suit over my head is a real fight. The suit does not have a telescoping waist. Back on topic... The legs seem to get light...
  3. W

    Nitrox Blending Rental of Air Cyclinders

    Just to update... I spoke to a Linde/Airgas representative and their management when they were auditing our facility (we have a large account with them) and they told me that medical grade oxygen is batch tested only. Airgas is such a large company with so many satellite offices and stores...
  4. W

    Shearwater Petrel 2 vs. SubGravity H3

    I own and use a Petrel but willing to talk "nice" about the H3. First, maybe find out if the battery is a special design or an industry standard type. This would mean not only fresh batteries for replacement but possible aftermarket availability even for the manufacturer to source when the need...
  5. W

    best price for dui

    Howdy, I live in the Los Angeles area and there is a local dealer that will sell the DUI trilaminate for a lot lower than anybody else I have seen but still around the $2000+ US dollar range (please PM me for those details). Since you are in Canada, are you better off getting a Bare suit? Bare...
  6. W

    Nitrox Blending Rental of Air Cyclinders

    Lastly, I need to say I use Industrial oxygen for my usage and not recommending anything. Everyone else should use good judgment as to how and when to use pure and mixed gases.
  7. W

    Shearwater Petrel 2 vs. SubGravity H3

    In response to it being a "killer" of other brands... Imagine if the T1 could read the AI code transmission off of another brand's AI transmitter? That would be a killer. Legal? I believe so since you are passively "listening" to the transmission of another brand's transmitter. Used at our own...
  8. W

    Nitrox Blending Rental of Air Cyclinders

    I am currently using the industrial/welding oxygen as well. The standards for medical, breathing grades are a joke. You are paying more for the breathing and medical grades because it requires regulation as "drug". The breathing grades are typically 99.5% as a minimum requirement (but...
  9. W

    DIY Containment System Suggestions Needed

    A filling station with a jacket or barriers around tanks are a good idea but I feel the debris and flying small parts are more dangerous. Your original post seems that you are assuming the tank body is going to fail (linear tear/fracture or the valve threads fail at the top) and you are trying...
  10. W

    Drysuit. Can I buy a very cheap used suit slightly big a couple inches?

    Thanks for the tips. Beaverdivers---Ha, ha. Very good point. I happen to be comfortable enough with my manhood (most of the time) enough to have considered that option you suggested (women's suit...for a guy like myself :blush: ). I trolled the DUI closeout and used suit section and came up...
  11. W

    What is the sensor lifespan for a helium analyzer?

    I see...sonic detection. Yes, trimix for the occasional use and when detail planning is available. Not so much for exploration and new sites. Likely for wrecks or a familiar site I want to have sharper memory and dexterity. Thanks. -T
  12. W

    What is the sensor lifespan for a helium analyzer?

    Thanks, I would like to trouble you for a few ultrasonic analyzer models/part#'s, if I may. Yes, I agree it is not required and with the convenience of blending software available online or even with free basic dive computer software (Suunto, Dive Rite, etc) the He analyzer can be just a quick...
  13. W

    What is the sensor lifespan for a helium analyzer?

    Thanks, That is good to hear. I posted some question on another section and the point came up that I'm going to need an analyzer sooner or later. Prices are a bit painful in spite of the longer lifespan. Thanks, -T
  14. W

    What is the sensor lifespan for a helium analyzer?

    Just wondering what the lifespan of a sensor from a helium analyzer is? I'm suspecting much longer due to the detection method used is thermal conductivity or heat capacity (instead of a galvanic cell). Also, for oxygen, we use air as our calibration bump gas. Do you need a bump gas for helium...
  15. W

    When to use limited stash of Trimix on a boat trip? Early or later?

    Thanks for the replies and running the models. I decided a little bit ago that it would be impractical to dive more than a couple cylinders of trimix on any boat trip. I'm thinking that most boat operators would be wary about letting me mix using my own whip and ask them to top off my tanks...
  16. W

    When to use limited stash of Trimix on a boat trip? Early or later?

    Hi Folks, Thanks for the replies. The process provided from RX7diver would work. But I only have a two cylinder helium bank without a booster. I don't want to expend too much from my highest pressure tank because that leaves you less pressure to top off tanks later(cascade fill to pressure...
  17. W

    When to use limited stash of Trimix on a boat trip? Early or later?

    Thanks guys, Yes, I posted a question about trimix use a year ago and there was some debate about oxygen being narcotic, also. It seems the literature I saw ("Recreational Trimix Diving") oxygen still has a significant narcotic effect (although slightly less than nitrogen). Bottom line is I...
  18. W

    When to use limited stash of Trimix on a boat trip? Early or later?

    I forgot to mention I'm diving only singles with the option to carry a pony. Also, I'm using the "slightrox" as you refer to it to decrease some of the narcosis I'm starting to be aware of in the 100ft range. I'm doing the correct things but memories get vague and dexterity is diminished (as I...
  19. W

    When to use limited stash of Trimix on a boat trip? Early or later?

    Hi Folks, I hope this is the correct section to post. For sake of argument... If you are on a two day diving trip on a boat, you will do 3-4 dives per day (8 total). You are allowed to take three tanks (2 HP100's filled with trimix 28/25/47, one filled with EAN XX), and one 40cu ft stage...
  20. W

    Petrel capacitor failure and firmware update

    I run the Petrel 2. I'm thinking the super capacitor needs to be in there for clock and timing to keep them running and not make you reset them every time the battery is out. The rest of the functions are record data that can be written to memory and stay that way until you change it, I'm...
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