Jim, WHY? - G

On Mon, 29 Jul 96, Jim Cobb <ir002538@po*.in*.co*> wrote:
>Being a full time stroke, I have the double bladder wings as well. What I 
>did is to run a short piece of tubing from each grommet on the edge of 
>the wing, tie a knot, then run it to the grommet on the back and tie a 
>knot. You now can orally inflate the wings, operate the dump valve and 
>the wings are kept tucked in and out of the way. Neat, simple, and it 
>annoys the "full bondage" folks.
>
>
>>I just got a Diverite Transpac with superwings on the weekend. (I 
>>got a good deal.)
>>
>>I guess these are what George calls "bondage wings". 
>>
>>I have a few questions which someone may be able to offer an opinion on.
>>
>>I mainly do deep air (<60m !) wreck dives with deco mixes in stage
bottles, 
>>and with a wetsuit - hence the need for twin bladders.
>>
>>The Superwings are bound with shock cord. If you inflate them
>>the shock cord applies so much pressure that the over pressure
>>release blows off at what I would guess is only 1/2 full. That
>>would still be over 40lbs lift but it doesn't seem to make a lot
>>of sense.
>>
>>On the positive side it seems to me that:
>>1. If I remove the shockcord the wings are a little on the huge side,
>>   so the shock cord keeps them tight stops them getting damaged in 
>>   wrecks etc. 
>>2. The shockcord stops the air forming a large bubble at the top (or
>>   bottom if you are head down) and the better air distribution means 
>>   better weight/boyancy distribution.
>>3. If the shockcord let the wings expand properly it is probably more
>>   of a plus than a minus.
>>
>>A possibility could be to use thinner more compliant shock cord which
>>would allow the wings to expand better.
>>
>>Anyone else use these and had a look at this "feature" ?
>>
>>Guy
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George M. Irvine III
DIR WKPP
1400 SE 11 ST Ft Lauderdale, FL 33316
954-493-6655 FAX 6698
Email gmiiii@in*.co*

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