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Jim: Thanks for your comments. Though I've never had the problems you mention with inflators, I've seen many others that have, often as a result from bad handling (dragging gear over sand or small gravel beaches) on club or rental gear. Sand gets in the button's mechanism, or up the hose's "O" ring and then the fun begins. Once I saw a second stage so full of tiny pebbles on the "wet" side of the membrane that it jingled like a musical instrument. But these are things that usually happen to beginners who dive from a beach and are not aware that sand, small gravel and diving equipment don't mix well.. As you point out, with normal wear and tear, the primary cause should be insufficient maintenance. Conrad >De: Jim Cobb >Para: "Tech Diver"; "Conrad Daubanton" >Asunto: Re: OMS wings problems >Fecha: Jueves 19 de Marzo de 1998 15:00 > >Sender: cobber@ma*.ci*.co* >Received: from mail.tissue.org ([206.246.217.9] (may be forged)) > by dub-img-10.compuserve.com (8.8.6/8.8.6/2.10) with ESMTP id IAA18400 > for <100774.1625@co*.co*>; Thu, 19 Mar 1998 08:59:37 -0500 (EST) >Message-Id: <199803191359.IAA18400@du*.co*.co*> >Received: from 206.246.217.10 by mail.tissue.org > with SMTP (QuickMail Pro Server for MacOS 1.0.2); 19 MAR 98 08:59:22 UT >Subject: Re: OMS wings problems >Date: Thu, 19 Mar 1998 08:59:21 -0500 >x-sender: cobber@ma*.ci*.co* >x-mailer: Claris Emailer 2.0v3, January 22, 1998 >From: Jim Cobb <cobber@ci*.co*> >To: "Conrad Daubanton" <100774.1625@co*.co*>, > "Tech Diver" <techdiver@aquanaut.com> >Mime-Version: 1.0 >Content-Type: text/plain; charset="US-ASCII" > >Conrad. > >I have personally never seen any BC fail. I have seen a couple of LP >inflator hoses fail, invariably right as the tank valve is opened. I have >heard of inflator valves sticking open, the couple I have heard were on >rental gear or they were frozen (ice diving). I heard one story of the >inflator hose popping off the BC.In other words they were maintenance >issues. > >I might mention that I have seen BC's so worn and ratty, it is a miracle >that they held air at all, but they did. > >Lets face it, a BC is not rocket science. When you look at your gear >overall I think that the weakest link you will see is the operator, and >why make that situation worse by presenting multiple inflators/hoses and >other issues into the mix? > > Jim > >Sender: Conrad Daubanton Date: 3/18/98 2:00 PM > >>Jim, Chuck: >> >>Does anyone know which part of a Wings/BC unit tends to fail more often? >> >>Can anyone provide statistics? (Perhaps some shop owner that has seen >>just about everything). >> >>Then we would know what kind of thing to prepare for. >> >>I've had no recent problems with the gear, but many years ago my first >>BC (Horse-collar) had bladder problems, and having changed the bladder, >>it developped overpressure/dump valve problems. Tired of repairing it, >> I just bought another (stronger) horse-collar BC. This one also >>required a bladder change, but is now perfectly operational, though I >>no longer use it now. With a Jacket type BC which I seldom use now, >>and with Wings which is what I use most, I've yet to have problems, >>they have never needed any repairs. >> >>Either gear is stronger now, or I give it less abuse than before. >> >>Conrad Daubanton ------------------------------------------------------------------- Learn About Trimix at http://www.cisatlantic.com/trimix/trimix.html -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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