It's a very, very slick system. You've converted me to pump ballast for life! The precise control that it gives me is astounding! Not many model submarines can accomplish a stationary 360 degree rotation at perfect depth!Bob Martin (USA).
Take a look at this fantastic high quality recreation of the Nautilus in action below. It was built by Bob Martin using OTW's Dive Module; Please take a moment to visit his homepage over at the Nautilus Dry-Docks.
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