WreckWriter once bubbled...
45 lbs of weight and some idiot is going to certify you as a DM? Hah! Go take a refresher instead.
Tom
Tom,
While I believed your original intentions in this discussion were to promote safe SCUBA, I think comments like the above do not help. You do nothing to refute my assessment of the many different factors (thickness of neoprene, wet vs. dry suits, body-fat percentage) that contribute to the amount of weight needed by an individual. I didn't even mention aluminum tanks or salt water, both of which also are contributing factors
Did you read all of my post? As I stated, in a 2-piece 7mm wetsuit, I wear about 30 lbs. In a 1-piece 7mm jumpsuit, I wear about 25. 7mm of *compressed* neoprene, in a DRY-suit is VERY buoyant, and it is in that suit that I wear 40 lbs. Wearing that suit means I have to wear a lot of weight, but it also enables me to stay very warm, and for me, it's worth it. Diving is no fun if you're cold.
Maybe the fact that you are in South Florida makes 50 lbs (or 40 for that matter) an unthinkably large amount of weight to wear. The one time that I was in Florida to dive (in the Atlantic, off Ft. Lauderdale, last March) I wore a 3/2 mm wetsuit and wore 18 lbs. Does that seem like a more "possible" weight to you? Same person, same amount of body fat (which is probably higher than many people's, but far from obese,) different suits.
My instructors are not idiots. The instructor with whom I did the weight check is a PADI MSDT, and has certified hundreds of students in the cold, low-vis conditions that prevail in the PNW. Men who are very muscular and generally "sink like rocks" are given 20-25 lbs of weight to use with their 2-piece 7mm wetsuits. Most of the male DMs and instructors here wear about 20-30 lbs, and they are all in good shape. Men with more fat on them wear 30-40 often. Why then, does it seem so improbable to you that a female, who has a higher body-fat percentage than they do, could need 40 lbs in similar gear to theirs? I know of NO one here (male or female) who dives with LESS than 20 lbs in this area.
A moment ago, another MSDT just walked in to the room, who I know wears a neoprene drysuit (although I don't think it's quite as thick as mine, but close) and I asked him how much weight he normally wears, excluding extra weights he might carry for students. His answer: 36 lbs. I asked him if he thought that 40 would be an unspeakably high amount of weight for me to wear (he knows I wear a neoprene drysuit too). His answer: No.
I do not claim to be an awe-inspiring diver (or even close to that.) However, I AM quite competent, and have progressed far beyond the basic skills possessed by OW divers, or I would not have been able to take the DM training course (let alone pass with high marks in the skills areas as I did.) I have also been trained to dive in the Oregon Coast Aquarium as a volunteer diver, for which you have to display very good buoyancy control and tight maneuvering ability, as much of the work is in very small spaces surrounded by sensitive habitat. I have even done a small amount of diving for research work for one of the universities in Oregon. Your suggestion of a refresher course is not appropriate in my case.
I realize that for most people, SCUBA is an activity that takes place in warm water in tropical environments where much less weight is needed than in my area, and that many of the instructors and divers out there are men, who maybe just haven't quite got the knack of looking at a fairly round and/or curvy woman and judging what her body-fat percentage really is, and just how much of a difference those curves really make in buoyancy. I wrote the my previous post because there ARE so many misconceptions about weighting, especially for women who are "larger" than average in one way or another. Scuba-board is a great forum for discussing these topics, and I welcome any and all well-thought out comments on what I have written.
otter-cat