Re: [PSUBS-MAILIST] Ballast systems

[david cutajar <davecutajar@djcengineering.com>]

A ballast system not affected by acent/decent
commpression could be a simple "bag" of hydraulic
fluid, pump it in/out ro increase/decrease volume of
the submersible. I remember a thread about that...
-David
--- Chuck Will <chuck@bestan.com> wrote:

> Hello all,
> 
> Has anybody done anything with a closed ballast
> control that is not effected
> by expantion on the acent? I am thinking about a
> mechanical/pneumatic system
> that lets me expand some air chambers for ballast
> control but controls them
> in a way that they don't expand more than I want.
> 
> Chip Will
> 




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