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    Regulators and Nitrox

    Thank you Agility, I contacted the dive shop in Frankfurt, and they couldn't/wouldn't give me any specifics, just "good luck" finding the information. So I did look harder on my own, and discovered the European Underwater Federation. So it does seem the European Competent Body CEN (Which...
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    Regulators and Nitrox

    I just came back from Germany, and always find it fascinating to look at how they gear up for diving. German's tend to be risk averse and the people at there dive shop feel the USA and Asia are wreckless for not using DIN as the standard for regulators, but then I saw something that seems to be...
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    Old drysuit with oral inflator

    I have an old o"neil supersuit drysuit, with oral inflator. I use it for free diving in the Puget Sound, and since there is no other way to add air, except by mouth, I would prefer to have the option to add an oral inflator to a new drysuit. Few people free dive and snorkel in Cold water...
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    Twin Tanks

    Thanks for taking the time to respond on all these points. Its very helpful, and why Scubaboard is such a great place to come to.
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    Twin Tanks

    Can you help me understand the benefits of the 94# wing. Who makes your BC? I'd think the With regard to an earlier question "six inches of movement per kick?" I was testing how fast I could go, and was trying to sprint back very fast and very innefficiently" I use to have Large Jetfins...
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    Twin Tanks

    Anyone taking offence at anything in my posts - tough. It's only an internet forum. Stop being over-sensitive. The real world isn't as warm and fuzzy. Remember, underwater only YOU are responsible for YOUR own safety. Nobody else is.Well, said. I'd rather have someone be brutally honest...
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    Twin Tanks

    Thanks for the advice. I'm thinking about getting a new BC that can handle twins, and the shop owner was very strongly in favor of "no less than 60" and "more is better". I told him how and where I dive. I've always got mixed opinions about the way I should approach diving. And I am...
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    Twin Tanks

    I am new to the board, and to doubles. I do dive in areas where the current does pick up violently within a short time. So I have used the crawl method to save air. I'm told more lift is good, and 65lbs is barely enough, by an experienced owner of a dive shop. Its his opinion I expressed...
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    Twin Tanks

    Dont' be confused, I consider myself a full time student, not a tech diver. People that call diving with twins, 30 feet down in a lake, "tech diving" I think hugely misunderstand how much safer it is than real "tech diving" (my humble opinion) Correct me if I'm wrong, because I simply want to...
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    Twin Tanks

    Although I like the idea behind having a redundant system, one thing I've learned is that it's really easy to get carried away with "risk management". Although Murphy's law is great for NASA, I've seen divers so over-complicate their rig that their rig introduces a hazard. Tech diving is a...
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    Twin Tanks

    I'd been diving solo in 20-30ft of water in a lake, since I can easily freedive my drysuit to 40. I started reading about solo diving redundant systems, and decided more air and an extra regulator on a twin manifold I had laying around would be a good way to go. It doesn't drive like an SUV as...
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    Seapro regulators and ATPAK BCD units

    I bought one new, and two others used, and always kept one working. The shot system is really a double edged sword. Out of the water, there's no way to carry the shot separately. So it particularly heavy too, when you have a tank attached (or twins) which brings it to 120lbs!. In the water...
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    Diver buddy pinger

    I dive alot in low visibility and I spearfish too. Getting separated is easy and happens too often. The cost is however too high. I've used avalanche tranceivers, of which there are several brands available for locating your burried buddy. I was very surprised that a tranceiver doesn't...
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    State of the KISS?

    I visited the dive shop I got certified and the owner who has been diving rebreathers was carrying KISS. He also dove another, but when I found out the KISS unit was $5000 and they said you could stay down 4 hours, I thought to myself, It won't be long before rebreathers really take off...
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    Excel Formula's For Dive Table Training

    As indicated below, this is just a table I made for myself, which I'm providing to show how Excel can be used. REAL Dive planning should be done following your certification agency's training. I should say too that in making something like this, you do notice some significant benefits in...
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    Excel Formula's For Dive Table Training

    One of the reasons I created my own Excel dive table from NOAA tables was because I'm cheap, have a sick fascination creating tables in Excel and like to get something back for my tax dollars. Speaking of which, I downloaded the 900+ page US Navy Dive Manual rev6. One thing that caused me...
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    Excel Formula's For Dive Table Training

    I was looking for the same thing and couldn't find an Excel Dive Planner. I've been looking for free no-copyright dive information and of course the US government is the best place to go. The attached excel workbook is was prepared using NOAA, Navy based information. It even has some Nitrox...
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    For divers with 100+ dives - do you have a "happy place"?

    That Happy place for me is hanging up the tanks and free diving. Severing all responsibilities for others and being alone and vulnerable to the sea. My favorite moment diving was a free dive where I was enveloped by a hundred parrot fish that were moving along in 10 feet of water somewhere on...
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    Things you've found under water

    After the Seafair Hydroplane races on Lake Washington - the day after the crowds were long gone, my high school friend and I searched for what people dropped in the water. #1 most dropped item?? Beer - we picked up 15 unopenned bottles. #2 Cash a $5 and four $1. Paid for our air. I never...
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    Need Help With Corrective Vision Masks

    I'm I'm near sighted, so I'm looking for a prescription mask, with bi-focal, so I can also read the gauges easier (cheap computer = small text - not good for corrected near sightedness. I also heard of SeaVisionUSA.com. I saw some letters from 2004 that were very positive for Prescription Dive...
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