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Date: Thu, 25 May 2000 09:40:21 -0400
From: trey@ne*.co* (Trey)
To: william Tay <william_tay75@ho*.co*>
CC: techdiver@aquanaut.com
Subject: Re: swivels for DIR
No swivels of any kind, no steel plates without a drysuit.


william Tay wrote:
> 
> hi there,
> have read the gue website and WKRP. still have a few qus , hope the guys out
> there can guide me.
> 
> a) do we need a swivel for the 1st stage ? i personally dun think so , but i
> might be wrong
> 
> b) is it ok , advisble or a BIG NO to instal swivels to the 2nd stages ? if
> yes  , do we install to both 2nd stages ,( the one to the 2.1m hosae and the
> one round the neck ) or just to one of them ?
> 
> c) have this weight problem...i dive wet most of the time. i'm from asia ,
> so even if we do tek dives ( simple ones !! )  , would at most require a
> semi-dry suit.
> now i only need 6pounds of lead to sink when diving with al 80s. however if
> i were to get a ss backplate , the weight itself would be sufficient for me
> to sink. But this means that i cant dump these in cases of emergency as
> well. i feel that ss plates are much better for saltwater and harsh
> environemnt conditions, thus i have this problems on wieghts now .
> 
> i have calcualted that  ,IF INCLUDING A 2POUND KEEL WEIGHT  ,as i advance
> into doubles and side tanks (2) , my percentage of dumpable wwights would
> increase from about 33% to 58%  ,is this ok ?
> of cos, if i dun put the keel weight , the percentage would increase..
> 
> advise please
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