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Old 01-21-13, 05:30 PM   #21
ABBAFAN
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I meant as a way of slowing the ascent or even to prevent it from speeding up as more and more balast is expelled by the expanding air already in the tanks.
Perhaps similar to rising and descending in a gas balloon?

On the other hand, would decreasing water density compensate anyway by reducig the boat's bouyancy as she rises?
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