Hello guys.

I have a pertinent question. What happens to your personal buoyancy if and
when you have to get out of your gear to negotiate a collapsed restriction?
How are you going to maintain buoyancy control.

Hoo Roo
Johnny Mack
Down under


----- Original Message -----
From: Shimell, David (shimell) <shimell@se*.co*>
To: Gliviak, Jozef <Jozef.Gliviak@co*.co*>; <techdiver@aquanaut.com>
Sent: Thursday, December 16, 1999 9:36 PM
Subject: RE: DIR question - weight system


> Jozef
>
> Try some or all of the following:
>
> * Use a non compressible dry suit so that you don't need to carry the
> weight in the first place.
> * Carry a canister torch which can be used as a ditcheable weight
> (3kg).
> * Loosen your harness straps and tighten the crotch strap.  This will
> move your centre of gravity down.
> * Make an H-weight.
>
> The H-weight is two V-weights bolted together front and back of the
twinset.
> My H-weight of 5.5 Kg is only about 100 mm high and is bolted close to the
> lower band, hence my H-weight pushes my centre of gravity lower than would
be
> the case if I used a V-weight.  BTW, I only use my H-weight for
no-canister
> torch twinset diving in salt. I always take in my canister torch for
proper
> diving, so don't use the H-weight these days.
>
> David Shimell
> Email: shimell@se*.co* <mailto:shimell@se*.co*>
> Project Manager, IBM NUMA-Q, Sequent Computer Systems Limited,
> Weybridge Business Park, Addlestone Road, Weybridge, Surrey, KT15 2UF, UK
> registered in England and Wales under company number: 1999363, registered
> office as above
>
> -----Original Message-----
> From: Gliviak, Jozef [SMTP:Jozef.Gliviak@co*.co*]
> Sent: Wednesday, December 15, 1999 3:58 PM
> To: techdiver@aquanaut.com
> Subject: DIR question - weight system
>
> As far as I could find out - according DIR there is no weight belt or
> integrated weight system used. Only heavy backplate and weight between
> tanks. I'm sure this works in warm water, but I had a bit of trouble
testing
> it in 4degrees celsius. With very heavy underwear to keep me warm I need
> appx 8-9 Kg additional weight. When I attach it between tanks the centre
of
> weight is shifted upwards. This becomes a problem when looking to sides.
The
> centre of weight is too high and it tries to turn me. This was quite
> uncomfortable feeling.
> I would like to know how you solve this. As far as I know there are few
cold
> water divers here on the list.
>
> Best reagards
>
> Jozef Gliviak
> Slovakia
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