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Subject: Re: Recommendations for BC?
Date: Fri, 18 Oct 96 23:09:48 -0400
From: Jim Cobb <cobber@mi*.co*>
To: "Gary A. Meier" <gameier@fm*.co*>, "Tech Diver" <techdiver@terra.net>
Assuming this isn't a troll...

OMS dual bladder wings are not worth the money. They cost more than the 
single wings and don't work as well. I did not like mine and got rid of 
it because:

-The bondage causes the top exhaust valve to stick open. I still can't 
believe this was designed into the BC. What the fuck were they thinking? 
It could be fixed by using a more ridged guide tube, why the hell didn't 
they??? I rigged mine so that the rubber tubing just pulled in the back 
of the BC bag and did not wrap all the way around.

-The bondage causes center of buoyancy to be _under_ your tanks (this 
makes it feel like you are going to "capsize" all the time and makes it 
difficult to maintain trim underwater.) The increase in comfort of the 
single wings is really amazing. You might accomplish the same by not 
doing the bondage, but DB wings are not designed to float free and 
present lots of drag configured this way.

-You have to install another LP hose to service the 2nd valve (bigtime 
failure points, hoses and intricate plastic valves). Any you have hoses 
all over the damn place, and you have to drag these hoses every freaking 
place you go. You could provide emergency buoyancy by bringing along a 
lift bag, something you might actually use.

The only drawback to getting the single wing is that all the folks who 
have the bondage wings will call you a brown-noser, and accuse you of 
kissing George's ass. 
Fuck 'em. The bondage wings are a failure in design, totally flawed in 
concept and in execution.

   Jim

>Definately recommend the OMS rig...it will provide the nessesary lift
>(40Kilos/100 pounds) and has surgical tube banding around the bladder to
>assist with bladder contraction which aids in volume reduction should you
>elect to enter a wreck....
>
>Scott
>
>At 10:21 AM 10/17/96 -0500, Gary A. Meier wrote:
>>My old BC finally died, so I'm looking for recommendations for a
>>BC/backpack better suited for technical diving.  I've lurked on this list
>>long enough to conclude that some of you may have opinions on this subject
>>:  ).
>>
>>I'd prefer a rig that I can use with a single or with double tanks (plus
>>pony and up-line).  I'd be using it almost exclusively for wreck diving.
>>I'd appreciate recommendations and/or warnings of what to avoid.  I'd very
>>much appreciate a few words added explaining WHY you recommend or don't
>>recommend certain rigs.
>>
>
>--
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>Subject:     Recommendations for BC?
>Sent:        10/17/96 11:21 AM
>Received:    10/17/96 9:16 PM
>From:        Gary A. Meier, gameier@fm*.co*
>To:          Tech Diver, techdiver@terra.net
>
>My old BC finally died, so I'm looking for recommendations for a
>BC/backpack better suited for technical diving.  I've lurked on this list
>long enough to conclude that some of you may have opinions on this subject
>:  ).
>
>I'd prefer a rig that I can use with a single or with double tanks (plus
>pony and up-line).  I'd be using it almost exclusively for wreck diving.
>I'd appreciate recommendations and/or warnings of what to avoid.  I'd very
>much appreciate a few words added explaining WHY you recommend or don't
>recommend certain rigs.
>
>Feel free to reply directly to me, or to the list.   Thanks in advance.
>
>Gary
>
>**************************************************************************
>Gary Meier, Ph.D.                Senior Research Computational Chemist
>FMC Corporation
>Agricultural Products Group     phone:   (609) 951-3448
>Box 8                                              fax:         (609) 
>951-3835
>Princeton, NJ  08543                  email:     gameier@fm*.co*
>
>
>--
>Send mail for the `techdiver' mailing list to `techdiver@terra.net'.
>Send subscription/archive requests to `techdiver-request@terra.net'.

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