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  1. markfm

    I'm going to quit smoking!

    Switched to the smallest patch, life is still good.
  2. markfm

    7 day x 30min Cardio Challenge!!!!!

    Another day, another workout, still exactly the same as when I started :)
  3. markfm

    Be a part of history...

    My vote got you to 8% :)
  4. markfm

    Pony bottle/alternate air

    Air -- good at any depth. (This is using a pony within standard parameters, where it is a bailout bottle, switching to it is the end of that dive, time to ascend.)
  5. markfm

    7 day x 30min Cardio Challenge!!!!!

    Hot? It was -2F when I got up this morning in central NY. I still went on the porch for jacuzzi and morning coffee :)
  6. markfm

    Do you have practice questions for the DM exam?

    If you've done the workbook, without problems, you should be fine. A full pass through the encyclopedia can be good -- the physics and physiology stuff does, indeed, get asked. Don't forget to review using the Wheel.
  7. markfm

    Should there be repercussions for rudeness from a LDS?

    I generally agree with the second-chance approach. If they mess up again, then public noogies count as significant repercussions: http://www.funsilly.com/noogie.shtml
  8. markfm

    Spare Air-- travel problems???

    With my pony, I unscrew the valve all the way, put a baggie with elastic over the open end. Ideal? No, but it seems to work. I absolutely take my regs as carry-on.
  9. markfm

    Cozumel OOA

    It's just that the whole thought of schlepping an 80 as a pony hurts my head. Dry (land) weight is a pain, there really is potential for a full 6 lb swing, then you have to add lead to your off side to compensate for the list the tank would tend to produce. (being around -3 on your left side...
  10. markfm

    So what is too overweight to dive?

    I'm +10 in the month and change since I stopped smoking (a gift to myself for my 47th Bday). The plus side is I know I'll knock it back down, am doing the right things (cranked up the workouts, started to watch intake), just a drag that I need to.
  11. markfm

    Cozumel OOA

    So you're carrying enough added lead to compensate for about 1/3 tank (1000 psi). Good stuff, I was just curious. I went the 19 route as it was the largest I could comfortably pack for travel. No problem with local fills (I just make sure it has a current VIS)
  12. markfm

    sherwood magnum2 rubber plug

    Anti-freeze air bleed, probably -- a normal Sherwood design. http://www.sherwoodscuba.com/product.php?product_id=23 Are you talking about the little black tab shown in the link above? It's supposed to release air (bubble), the net air used up is small. Pete beat me to it. (The link is to a...
  13. markfm

    Fresh to Saltwater - nothing else changes - how much more weight???

    No problem :) I actually ended up putting together a little note on it, because it comes up as a question periodically: http://markfm.dynalias.org/Weighting.pdf
  14. markfm

    Fresh to Saltwater - nothing else changes - how much more weight???

    Crazy -- No, we understand the math, what we're talking about is 2.5% of your total weight, fully kitted. See my example on the first page, where my land weight comes out to about 240 lb (with everything, including tank), so I add about 6 lb (2.5%, or 1/40 [which is the same thing], of my total...
  15. markfm

    7 day x 30min Cardio Challenge!!!!!

    50 minutes yesterday -- theoretically > 1000 cal (still not losing weight :) )
  16. markfm

    Cozumel OOA

    Question -- do the folks who use a big "pony" also carry enough lead to compensate for the change in buoyancy if you actually had to use that air source? In other words, do you carry roughly an extra 6 lbs of lead (an AL80's worth of air), so that at the start of a dive you're around -11 to -12...
  17. markfm

    BC pocket too tiny. Sugestions needed.

    You can also use a trim pouch as a pocket, the ones with that normally go around one of the tank straps. I use one that turns out to be perfect for my folding snorkel.
  18. markfm

    I'm going to quit smoking!

    Good job! I've been lucky (not luck, really) this time around -- must be my time to quit. I don't seem to have anything that I would call a classic trigger now, just the short cravings that are definitely on the random side. Think I'll go off of the zyban over the next week -- definitely a...
  19. markfm

    7 day x 30min Cardio Challenge!!!!!

    Another 45 tonight.
  20. markfm

    7 day x 30min Cardio Challenge!!!!!

    A balmy 2F here right now -- don't think I'll go for a run :) 50 minutes on the exercycle yesterday.
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