> Hi Carl, > > I don't know whether you were joking or not but I think SPARE AIR has it's > place certainly in recreational diving if not in deeper more equipment > orientated diving. I bought a SPARE AIR a few years ago. I decided > against a pony setup at the time because the SPARE AIR was a lot less bulky > and convenitent. Most dive charter boats have tank racks and I decided > that a tank mounted pony bottle would make my setup difficult to stow. The > pony could by slung on the front of my BC but would, IMO, get in the way a > lot not to mention be yet another thing to get tangled up in lines, kelp > etc. The upshot of which would be that I'd probably leave it behind when I > most needed it. I have breathed of the SPARE AIR for over 6 minutes at 5-6 > metres (not because I was out of air just to test it) so I'm sure there is > adequate air to at the very least make a reasonably controled ascent from > 18 or so metres or better still get to a buddy (if you have one). > Obviously I am speaking from the point of view of recreational diving > within normal openwater limits (I'm assuming people on this list don't just > make deep "tech" level dives). G-Mode activated Just because you were stupid enough to purchase one of those pieces of garbage does not mean that it's the right equipment for the job. Spare air is nothing more then a false sense of security. I'm glad to see however that you were smart enough to admit that below 18m (60') it's useless. Also in your test at 5-6 meters (20'), were you sitting calmly breathing that spare air? Do this, go to 100'. Exert yourself, make yourself pant. Switch to the spare air and see how long it lasts. Make sure to have a buddy with you so you don't kill yourself. Remember, when you have an emergency situation you probably won't be breathing calmly. G-Mode off This is my last post to techdiver as I'm unsubscribing. Don't bother following up with flames. Ken -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Ken Sallot "High ppO2's can be hazardous to your health" CIRCA - Ronnie Bell (904) 392-2007 kens@uf*.ed* http://grove.ufl.edu/~ken -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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