Mailing List Archive Mailing List Archive
At 09:51 PM 6/8/1999 -0700, you wrote: Getting out of the water unbent with bounce dives in un interesting. Getting out of the water fast unbent is very interesting. Any moron can do a bunch of deco and not get bent. > I also received the following comment which I am particularly interested >in:- > >(quote) >"If you have done sufficient deco, then spending further time in the water is >increasing your risk. OK, this risk is small but never-the-less a risk and >it bites some people. Doing excessive deco is therefore not adding safety." > >Do others concur with this idea? As I said above I deco on nitrox but >operate on an air schedule. In effect this would constitute "excessive >deco" for the gas I am using. So is there a problem with this practice? >Does doing extra deco increase or decrease your risk? If you are going to >increase your deco at what point should you do it, eg only on the last >stop? Come to think of it Pyle stops are in effect increased deco beyond >that required by the tables. One of the thoughts I have had about this is >what actually constitutes "excess" deco. Given the variability in deco >tables what constitutes the "right amount" of deco on one table could >constitute "too much" deco on another table. Given that we don't really >know what the "right amount" of deco actually is for any particular >individual on a particular dive profile how can we hope to know what is >"too much" deco. (The only definition of "right amount" of deco I can think >of is that amount which leaves you unbent after a dive - but you don't >really know that until after the dive, since tables are merely a hopeful >guideline which fortunately are right most of the time). > > In reality I would be very surprised if a small variation in stop depth >made a large practical difference to the decompressing diver. If this were >the case I am sure we would have a lot more bent divers (hmmm... on the >other hand we do have a number of divers that get bent while apparently >following the tables... I wonder...). As has been pointed out the use of >nitrox/o2 for deco significantly reduces the differences I observed, so it >is even less of a problem to deco diving than it would initially seem. > > It has also been mentioned that Zplan adjusts all stop depths if you >change the last stop depth. I had noticed this and have found it >inconvenient compared to other software that keeps the same standard stop >depths and only adjusts the last stop. I guess I didn't consider the >possible effect of this change on the total deco time. I noticed another >post on this list about a new shareware deco program that does not do this, >so I would be interested in having a look at that program when it is >available. > > >Thanks to all, regards, Dave. >-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- >Ocean Internet - "The Quality ISP" >http://www.ocean.com.au/info.html > >-- >Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. >Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > ----------------------------------------------- Kevin Connell <kevin@nw*.co*> NW Labor Systems, Inc http://www.nwls.com And I suppose you want a user interface with that..... ----------------------------------------------- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
Navigate by Author:
[Previous]
[Next]
[Author Search Index]
Navigate by Subject:
[Previous]
[Next]
[Subject Search Index]
[Send Reply] [Send Message with New Topic]
[Search Selection] [Mailing List Home] [Home]