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  1. BelchFire

    Don't use a dive computer?!

    It might surprise you to learn that the algorithm inside that computer is also based on the tables. Electronics aren't "more accurate" than the tables, but they DO account for multi-level profiles, and they adjust your SI based on that additional (unused) time. Therein lies the primary...
  2. BelchFire

    Marcus Luttrell - The Lone Survivor

    I've read it and I HIGHLY recommend it. I didn't take notice of the writing style, but like Rocketmahn, I'm an engineer, so it wouldn't have bothered me anyway. If you follow him on FB, you'll learn that he's married now and his wife has just had a son. He named him Ax :acclaim: and says...
  3. BelchFire

    Things you've found under water

    :rofl3: Now THAT'S funny!
  4. BelchFire

    make my own spear pole

    Foldspear - the holstered pole spear, spearfishing with polespear I have one like this, but it's not this brand.
  5. BelchFire

    OW to Instructor in 23 days

    As Cap335 indicated, it's a two step thing. And I witnessed it. I did my advanced and nitrox courses there. My instructor frequently "subbed me out" to the students who were mid way through the 30 days. I remember the conversations vividly: Me: "So, (Instructor/Student), how long have you...
  6. BelchFire

    OW to Instructor in 23 days

    The Commercial Diving Academy will take you from "never been on a regulator" to instructor in 30 days. I can't believe that's even legal.
  7. BelchFire

    Bifocal mask

    I have no idea how much 9.5 curves, but the ones I buy are made for sunglasses and I use them in my wrap-arounds too. No sticking problems if you're careful to clean the lenses when you apply them. Just watch the oily fingers is all.
  8. BelchFire

    Bifocal mask

    Amazon.com: OPTX 20/20 Stick-On Bifocals, +1.75: Health & Personal Care This site shows them available up to +3.00; I'm still using +1.5. I use the el-cheapo stick-ons and have had NO problems with adhesion provided that I apply them correctly. Which is EASY. Wash and dry the mask, making...
  9. BelchFire

    Headed to Ginnie Springs this weekend

    These statements hold true for me, at least. I'll admit, the lure of depth was strong at first, but when my OW instructor took us to Blue Grotto the day after cert (for a "supervised" dive), I was a bit concerned about his bravado, not to mention my own safety. Then, when he took a few...
  10. BelchFire

    America's lost H-bomb

    I wanted to say that I thought he was military, but I wasn't sure enough to say that in my first post. Thanks for the clarification. This strikes me as funny coming from the very folks who opine that "It's fine where it is." Really? Then what's the harm in looking for it? :no: I think what...
  11. BelchFire

    USS John F Kennedy

    NOW yer talkin! :banana:
  12. BelchFire

    USS John F Kennedy

    I was taught that this formula gives the "displacement hull speed" or the speed at which a displacement type hull (like a cargo ship or tanker) is most efficient. Certainly with enough thrust all ships could go "faster" but there is a sweet spot that is defined by the culmination of the bow...
  13. BelchFire

    America's lost H-bomb

    Some years ago, there was a guy living on the coast that claims to know exactly where it is. He proved his point with a geiger counter. Mil brass got wind of his research (no pun intended) and sent a bunch of folks down to investigate. "Nope, nothing to see here, folks" was their answer. All...
  14. BelchFire

    Things you've found under water

    VERY kewl! You gonna drink it? :eyebrow:
  15. BelchFire

    Y'all fail Big Time!

    Exactly. My mother's church is working with a local man in Nigeria who is trying to get households outfitted as well as wells drilled in impoverished communities there. For $210 he can give everyone in an entire household everything they need. It hit me hardest when I heard what the $210...
  16. BelchFire

    Think You've Got Problems??

    I can't view the pics either. Firefox doesn't show anything at all and IE only shows the red X, but won't show the pic when I right click and select "view image". On the other hand, maybe I'm one of the fortunate ones considering some of the comments already made. Congratulations. I think......
  17. BelchFire

    wet suit question

    I wear a one piece lycra skinsuit. It makes the wetsuit easier to "apply" if it's tight fitting. Other than that; a common swimsuit.
  18. BelchFire

    China from Horseshoe Cove, NJ

    Can't help you with the bottles or the plate, but that other thing is a twenty dollar bill. I saw one once before I got married. Very kewl finds!
  19. BelchFire

    Weekend death at Ginnie Springs

    Large complex of caves in that area, some of which open up into this system. There's one very large cavern called the Ballroom that is grated off at the bottom. It's very dark at the bottom, but you can see the opening from anywhere and it has a HUGE flow to keep silt from settling. Did I say...
  20. BelchFire

    Help us find a dive shop in Key Largo

    I've used Quiescence in the past, but it's been years and years ago. They were great folks with great facilities back then; I'd surely try them again.
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