----- Original Message -----
Sent: Wednesday, August 11, 2004 5:24
AM
Subject: Re: [PSUBS-MAILIST] Found this
article and thought it may be ofinterest
Mark, the easiest and simplest VB system I've ran across so far is
one smiler to what is used on the Deep Workers. Its a simple oil tank on
the inside and a small hand pump like a jack that can push the oil to the
outside of the pressure vessel. As the bellows increases in size out
side the pressure vessel it displaces water and there by adjusting the
Buoyancy....Dave
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