I see where you are coming from now. It does read like you were saying that
the
_total buoyancy_  of the canister remains unchanged regardless of content,
which is false.
You are correct in saying that he could add lead to the canister and take it
off his belt, but I think we agree that is sort of pointless.

Drew
----- Original Message -----
From: Steve Lindblom <s_lindblom@co*.co*>
To: <techdiver@aquanaut.com>
Sent: Friday, June 02, 2000 11:05 AM
Subject: Re: EE canister lights


> No, actually its right, though perhaps not expressed as neatly as it might
> have been.
>
> I said the "displacment and resulting buoyancy" - that is to say, the
> positive buoyancy component resulting from the object's displacement. This
> will remain the same regardless of the negative component - weight.
>
> My impression was that the original poster had fallen into the trap of
> thinking the positive component was the result of air in the canister,
> rather than an inescapable result of its displacement, and was hoping
there
> might be some magic way to eliminate the air without adding to the weight.
>
>
> Drew wrote:
> >This is wrong.
>
>
>
> --
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