Stuart

>Tools (mallet, chisel, crowbar & wrench) can supply enough negative
>buoyancy to replace a weightbelt. Obviously this is bad:

Wrecking tools should not be considered as part of your weighting system.
This allows you to place them on the wreck whilst working without going
ballistic to the surface.  OK, you start over-weighted and end up
over-weighted but they can be ditched in an emergency leaving you properly
weighted to deal with the problem, just as if you had not dived tooled up.
Putting it another way, you dive DIR/Hogarthian and then add tools to your
kit.

Obviously you have to think about the way in which tools are carried so
minimise snag and drag potential and to ensure they can be dropped in an
emergency, but this is just like the rest of one's equipment.

David Shimell
Project Manager, Sequent Computer Systems Ltd., Sandton, South Africa.
Email: shimell@se*.co* <mailto:shimell@se*.co*> 

-----Original Message-----
From:	Stuart Morrison [SMTP:divebimbo@li*.fr*.co*.uk*]
Sent:	Thursday, April 29, 1999 1:29 AM
To:	TechDiver
Subject:	Wreck Config

Hi List,

what is the DIR opinion with wreckers' tools? Many UK wreck divers
favourite pastime is ripping lumps of brass and bronze off wrecks
(portholes and the like).

Tools (mallet, chisel, crowbar & wrench) can supply enough negative
buoyancy to replace a weightbelt. Obviously this is bad:

- if it replaces the weight belt, what happens if the diver drops a mallet
or wrench?
- if it supplements the weight belt, increased BCD filling adds to drag

Disclaimer: I personally don't take anything from wrecks (I don't dive
wrecks that often to waste time knocking lumps out of them) but there are
many who do.

I don't dive DIR, but I am interested to see how it fits into the
philosophy, especially with the recent discussions on aluminium vs. steel
tanks and weight belt vs. no weight or integrated weight. I suppose the
best argument is "don't rip up wrecks", but is there anyone who as come
across an answer?


Regards,

Stuart.
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