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Mike:
Thanks for the info. Again everybody seems to agree that the power
inflator is the "weak link" in BC. Even though so far only a handfull
of persons have responded, I wonder if the dive industry should take
note and see if there is anything that can be done to improve this
aspect if the equipment, or is it really a careless diver or poor
maintenance issue? In any case, if the dive manufacturers come out
with improvements, they should be reasonably priced...
Regarding your upgrade suggestion, I did that a few years ago, twice,
and so far so good, for both pieces of equipment have provided
dependable service without failure.
Regards
Conrad
----------
De: Mike Wells
Para: "Tech Diver"; "Jim Cobb"; "Conrad Daubanton"
Asunto: Re: OMS wings problems
Fecha: Viernes 20 de Marzo de 1998 0:01
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From: Mike Wells <mike.wells@cm*.co*>
Date: Mon, 27 Aug 56 21:21:31 -0000
To: "Jim Cobb" <cobber@ci*.co*>,
"Conrad Daubanton" <100774.1625@co*.co*>,
"Tech Diver" <techdiver@aquanaut.com>
Subject: Re: OMS wings problems
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Conrad,
I have personally had two older US Divers bladderless BCs (pre SeaQuest
manufacture) fail and have heard of others doing the same thing. The
inner airtight lining delaminated from the outer material causing leakage
through the nylon material. In neither case was this a major air loss,
but it was time to retire them. One of those BCs had an inflator fail
(valve got sticky) before the air bag did, so I would definitely agree
that the most common failure would be the inflator and/or hose. I have
heard that the older USD BCs are prone to this delamination problem, so
if you are still diving one of these you might want to exersize caution
or go ahead and upgrade to insure no problems.
Regards,
Mike W.
>Subject: Re: OMS wings problems
>Sent: 3/19/98 1:58 PM
>Received: 8/27/56 8:40 PM
>From: Jim Cobb, cobber@ci*.co*
>To: Conrad Daubanton, 100774.1625@co*.co*
> Tech Diver, techdiver@aquanaut.com
>
>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
>
>
> -------------------------------------------------------------------
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>
>
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