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Hi Joe.
There would be no reason you couldn't trust your
skills to cycle like that Joe.
Think about this. Imagine a Kittridge sub. It has
two soft, open to the bottom, external ballast tanks
fore and aft correct? Now imagine.....you ENCLOSED
those tanks so their bottoms were enclosed
and then you put a water inlet on/off valve at the
top of both tanks on the INSIDE of the sub. Now you'd
have a Kittridge sub that had ambient tanks that as
they filled they compressed the interior atmosphere of your
sub
and once under and neutrally buoyant, you could
close off the valves and actually dive a bit
deeper by forcing it
under with the dive planes. If you stopped your
forward motion you would rise until you reached
the point where
you were neutrally buoyant again. You might need to
build your hull and ballast tanks a bit stronger than a typical
ambient though, because once you closed off the
tank valves and forced her further under using the dive planes and
your forward motion, once you reached a depth that
exceeded the internal pressure, you would need ballast tanks and
a hull that would hold the pressure. But I don't
see it as a markedly radical deviation from building a typical
ambient.
At any rate, it would be fascinating to see a
homebuilt hybrid ambient/1atm like this.
Bill.
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