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  1. Raphus

    Underwater drills with contacts

    Then just tell your instructor and keep the eyes closed :D Not an issues at all. Most instructor ask their students if any got contacts, because its normal these days
  2. Raphus

    Oahu operator for both PADI and SDI Open Water certification?

    Certifications are interchangeable. Especially with padi and sdi. Just pick a shop and let them do the classes together. They dont have to continue in the same Organisation, where they started. Most of us have certifications from different organisations
  3. Raphus

    Underwater drills with contacts

    i had a lot of students with contacts, no problem. Just keep the eyes closed and tell your instructor about it. Personally i would recommend getting a mask with optical glasses, so you dont need to use contacts. There are a couple reasons for it: 1. Less chance to loose it 2. Training should...
  4. Raphus

    Question Do round bottom cylinders change your trim?

    I am not 100% sure about that, but i think lp72 are more heavy in the water then the bigger tanks. That could be a reason you experienced a different trim.
  5. Raphus

    Question Do round bottom cylinders change your trim?

    Yes bit its not really that big of a difference. Just mount the tank a timy bit ower and you should be ok.
  6. Raphus

    My troubles with hoods

    I had some bad fitting hoods aswell. The old santi hood felt like she breaks my jaw. Now i got the 10mm waterproof and i love it. Fits good and is warm.
  7. Raphus

    German tanks in US….DOT cert

    Yes all stages and every backgas which is not exclusively air has to be m26. I rarely see anyone with m26..
  8. Raphus

    2022 Dive Goals?

    Improve my teaching and have some good courses with awesome students. Personally i want to continue my tech journey. I am still at the beginning, because my instructor had no time. I learned all the skills myself and want to do the courses now :)
  9. Raphus

    German tanks in US….DOT cert

    In Germany anything above 21% is m26, per law. But no one follows it. Even for O2 stages m25 is used. Thats just whats used and no one is going to change it. With m26 its there might be problems to get a fill,because some fill stations have no adapter. I dont know, if the m26 is really...
  10. Raphus

    Noobish BPW assembly question

    Use keepers. The sleeve is not needed and is usually bouyant
  11. Raphus

    Simulated Task Loading

    Try this. While hovering in trim. I think thats a lit of task loading :D i always wanted to try that in peak bouyancy dive for aowd. But i didnt yet.
  12. Raphus

    Girl Scout saves panicked diver

    Where was the instructor? The 2 students were on the surface, alone? And why are they supposed to remove all the bcd as a first act in an emergency? That sounds strange to me.
  13. Raphus

    Sensorcon CO testers for $99

    This is not for tank testing, right?
  14. Raphus

    SDI DMs and up must demonstrate skills while neutrally buoyant

    Its more a skill of body control and bouyancy, while taskloaded. Similar to the attachment of the spool to the dsmb. In a real world its most likely already atached. But its a good bouyancy skill.
  15. Raphus

    PADI AOW Question

    I took the time and on page 46 (German) instructor manual its clearly written. Its possible to count a adventure dive as a first dive in a specialty AND the other way around. So you can do 4 specialtys including navigation and complete the aowd with just the deep dive. So i am not wrong here...
  16. Raphus

    PADI AOW Question

    No because deep has aowd as a prerequisite. But i have to read the manual to be sure.
  17. Raphus

    PADI AOW Question

    The courses,which are standardized, can be used as the aowd dives. I dont see, why my info is wong? If he got a s&r specialty he can count them as one adventure dive. Same for navi and other standardized courses. So please explain me, what exactly was wrong in my statement.
  18. Raphus

    PADI AOW Question

    You can use some of your specialtys and let them count as a aowd dive. So if you got 4 specialtys including navigation you can earn your card with theorie only and the deep dive. Or you can choose some new dives and have fun. Depends on what you want. Talk with your diveshop. Some will...
  19. Raphus

    Incident with Great white Shark

    Thats not an incident. You were very lucky to see a GW. Thanks for sharing the story
  20. Raphus

    [Math] Calculating by hand a surface gradient factor.

    I am very interested, since i was thinking about the same. Didnt find enough i formation. So i didnt start yet.
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