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Date: Fri, 09 Jan 1998 14:07:15 -0800
To: "scubait@ix*.ne*.co*"@ix2.ix.netcom.com
From: Kevin Connell <kevin@nw*.co*>
Subject: Re: Bondage wings (was Re: Scooters)
Cc: techdiver@aquanaut.com, cavers@ww*.ge*.co*
This is actually a good example of why dual bladders aren't so great.
Given you have a wing overinflating (or just inflating, both of which are
usually due to poor maintenance), which valve do you shut down, or which
inflator hose do you disconnect?

On a single wing / drysuit system, the choice is obvious.  Shut down the
correct post (or maybe the argon).  

At 09:07 AM 1/9/98 -0800, you wrote:
>What ever happened to valve shut-down skills?
>
>Anthony DeBoer wrote:
>
>> > > I met a guy with a exploded bondage wing yesterday. He had a freeze
up on
>> > > the inflator during a cold water dive. It resulted in a uncontrolled
>> > > filling of the wing. He went ballistic and could not dump air due to
the
>> > > over pressure thing failed. Can you imagine the sound when a twin cell
>> > > bondage wing explode:-)
>> > >
>> > > The guy did not hurt him self but is no longer looking for a new
bondage wing!
>>
>> The runaway inflator would have only been filling one of the two air
>> cells, so it probably didn't sound too much different than a single wing
>> would have.
>>
>> However, the people who advertise this stuff tell you that the other air
>> cell gives you redundancy in case one fails, but there's a chance the
>> second cell would be compromised by the first one blowing up in this type
>> of incident, depending on whether it blew toward or away from its mate.
>> There's also the chance that even intact, the second cell would extrude
>> through a split in the outer jacket and cause some really interesting
>> bouyancy issues.
>>
>> --
>> Anthony DeBoer <adb@on*.ca*>
>
>
>
>
>
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Northwest Labor Systems
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