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  1. Rollin

    Shore diving in Brittany, France

    I'm going to Brittany this weekend and was wondering if anyone knew a nice spot for some shore diving at the French coast. I'm used to doing this (UK, Scotland, Norway, Netherlands), but it is always nice to have some nice locations. I'll take all my gear with me.
  2. Rollin

    Aqua Lung i330R?

    Thank you for your answer. 60/80 would make much more sense. And 90/90 is indeed too liberal. With 35/85, when he has 4 minutes of deco, he has to start at 9m/27ft. Ridiculouss
  3. Rollin

    Aqua Lung i330R?

    Did they answer? My friend has this Aqualung, the deco stops do start deep, too deep in my opinion.
  4. Rollin

    Question Suunto D5 still lock out?

    Why would you want a car that locks the steering wheel when you drive through a red light?
  5. Rollin

    12 meter procedure - any good?

    Thank you John. On one side, you have this printed material, but this federation has been clever by using a ring binder, so new insights could be incorporated by changing only a few pages at minimal costs. Then, there are the powerpoints, which can be changed quickly and for free. As I...
  6. Rollin

    12 meter procedure - any good?

    I understand. But again, why teaching stuff that is obsolete? In the course, VPM is considered a new and promising algorithm and deep stops are mentioned as probably adding safety to your dive. As I said, I try to be as well informed as I can be. And I will inform my students the newest...
  7. Rollin

    12 meter procedure - any good?

    Level is rescue diver to dive masters. Most of them will stay within 30m for 99.9% of their dives, but some have ambition for more technical diving. But even if they were only rescue divers and AOW, for myself it is very difficult to use presentations of the federation with data I don't...
  8. Rollin

    12 meter procedure - any good?

    Thank you @lowwall for the scientific background! I'm wondering now if these are the articles are the ones @boulderjohn was talking about in his first post. About the post of @L13 just above, if you go up after an NDL-dive and end up with a GF of 92%, I guess you chose to dive a very liberal...
  9. Rollin

    12 meter procedure - any good?

    Thank you all for the advice and especially Boulderjohn for answering my question. @tursiops : as is common in diving manuals or study material, no source is given unfortunately. It appeared for the first time in 2014 in this course as far as I can see. So it is relatively recent. I read quiet...
  10. Rollin

    12 meter procedure - any good?

    Hello all, I was asked to teach decompression strategies in our local diving club. We have a national diving manual which is quiet recent and a ppt is provided. However, as I like to know exactly what I'm talking about, I took some time to dig into the matter further. Now, my question. I have to...
  11. Rollin

    Drysuit Diving in UK

    Just back from Scotland. I have been there with my wife (she doesn't dive) travelling around and shore diving when I found a nice spot. First of all, the spots for filling tanks or hiring equipment are very scarce. And I would suggest you make appointments beforehand. I contacted 6 operators one...
  12. Rollin

    Bad scuba advice you've received

    "If you are properly waited you will be neutral with 500 psi in your tank, empty BC and minimal air in drysuit if diving one." You will be neutral with 150 psi, in case you need the last air in your tank. You can do quiet a long decompression stop at 10 feet with 300 psi, which will be a very...
  13. Rollin

    Can the Teric auto-turn on with wrist movement?

    There are issues with every electronic device on the market. I know quiet some people with a Teric, none of them have problems. And none of them feels the need to register on this forum to let everybody know. Which would maybe be different if they had issues. The only way to know if this...
  14. Rollin

    Question Teric battery ?s

    Just been on a diving trip. I have one of the very first Terics. Battery is at 75% after a day with three dives. When I don't use it for diving, it is at 85 - 90 % after one day. Sometimes I don't use it for weeks, charge drops with like 1-2 % a week. I charge to 100% and let it drop to 10-20%...
  15. Rollin

    Can the Teric auto-turn on with wrist movement?

    According to what I've heard, there was a problem with a batch of batteries in an early production series. That's all. If you feel a poll on this forum that was created at that time and has not been updated since, is relevant, well... 113 claims and thousands, probably tens of thousands of...
  16. Rollin

    Shearwater Teric extended storage

    Do you mean "standby" or "off" when you mention none use? When in off (see menu), it should be fine for at least half a year.
  17. Rollin

    How effective are drysuits? I feel the cold!

    I dive dry even in Tenerife, and everybody else on the boat is always looking at me like I'm from Mars. I don't care, I don't like to be cold, not even a little bit. I do video, so I'm laying still for extended periods. But I did dive in the north of Norway, even in winter, in Iceland and even...
  18. Rollin

    Diving Norway Fjords

    November to january, indeed. And snorkeling. I went twice with Northern Explorers: smaller boats, smaller groups and they know their stuff.
  19. Rollin

    Weighting for Neutral Buoyancy

    I agree. ;-) But I don't use a 500 psi tank at the end of a dive to weigh myself. When using new gear or setup, I go to 3m or 10ft with full tanks and empty wing. I find our how many kg/pound of lead I need and just add the weight of the gas in my tanks (or even some more depending on current...
  20. Rollin

    Weighting for Neutral Buoyancy

    Then you should be neutral at 0 psi, empty bladder. Not at 500psi. I get it with the lungs, I started diving without bcd 35 years ago. But it is sometimes not very comfortable when in current. Also, when doing deco, I prefer to inhale and exhale deep every once and a while. Breathing at the...
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