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I'm also new to the list so I'll introduce myself. I live roughly 6 miles north of Boston (in Malden, MA). I have been diving for roughly 15 years and have somewhere between 1500 and 2000 dives (I'm not very good at logging, a skill that I plan to improve). I am working toward my Naui AI/DM with the instructors at MIT and have recently completed and passed my state EMT certification. As part of this training I will be taking the Naui Advanced test in the the near future. I do have the Naui Advanced Text but am curious if there are other texts along these lines that are good (it has been suggested to me that the Naui Advanced text isn't the best text around - please correct me if I'm wrong). As most people that have recently joined, I'm not a trained technical diver, but with degrees in Electrical and Nuclear Engineering I, too, am eager to learn. I have picked up some of the more well known books/etc and just need some time to read through them (and I am looking for and will be taking classes - I will not substitute the reading of books for the practice in a course). I do dive with a computer (a Suunto Solution) and have a profiling dive watch (Casio DEP600C) as a backup. I'm considering a 2nd computer as well. It was suggested by Brett Gilliam (I'm > 99% sure it was at his talk) at the Boston Sea Rovers that when owning 2 computers it's a good idea to have 2 different algorithms and always obey the one that is more conservative at that minute. What do people think about this in general??? I often dive deep, especially in the Caribbean, and have been down to a tad over 200 feet. While I did have a glass ceiling for a short time on the computer, since most of the dive was considerably shallower than this I did not have to perform any required decompression stop but did "burn the tank" down to 300 lbs at 15 feet (approximately 10 minute stop) just for safety. I have a rather unusual problem in that I cannot wear a full 1.4" Farmer John Wetsuit - I just get too hot (even in water temperatures in the low 40's) and end up unzipping my jacket. For all diving down to roughly 50 degrees I just wear my SSA Darlexx with another Polartec on top of that. This has the advantage that I don't need much weight since my exposure suit isn't bouyant. I also hate the reduced mobility that wetsuits cause so I'm seriously considering a drysuit (probably a DUI compressed neoprene) so I can control the amount of thermal protection that I have. Below 50 I wear top top half of my wetsuit on top of the other suits. I too am curious as to the differences (if any) between ANDI and IANTD. There are two shops in the area here that offer Nitrox fills and courses (Acton Scuba and Northeast Scuba) and it appears that others will follow suit (they'll have to otherwise they'll loose business). I just read in the Sherwood catalog that there tanks specifically are not designed for use with gasses other than 21% o2/79% n2 (i.e. air). Is this just a standard disclaimer or can the Genesis tanks be safetly outfitted for Nitrox??? I'd just as soon have my Genesis tanks be used strictly for Nitrox and I'd pick up a couple standard AL 80's for leisurely diving. Are there any regulators that, for whatever reason, cannot be safely upgraded for Nitrox??? The last item is that we are planning a trip to Cozumel the end of May/beginning of June (I posted information about it in rec.scuba). We will be diving in Isla Mujeres, spend a couple days on a liveaboard, then staying on Cozumel. If anyone is interested, please get in touch with me asap. I really look forward to the discussions on this list!!! Carl G. Heinzl President - Very Versatile Business Computer Company of New England 122 Washington St. Malden, MA 02148 (617) 322-5172 (leave message) (617) 322-1936 (fax)
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