| http://www.w3.org/ns/prov#value | - by Sub culture ?? Wed Aug 19, 2009 9:25 am it is really tough to calculate the correct size of tank for a submarine if it is a wet hull boat or an unusual shape. if the boat is a dry hull design, and straightforward in shape e.g. a spindle or a cylinder, then it is fairly easy to calculate the volume that needs to be displaced, although even here there can be a margin of error as things are rarely 10
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