I've been thinking for a long time about where the holes come from, and this is the final.
- MS Estonia is soon to catch up with the submarine.
- Here M/S Estonia meets the stern of the submarine.
- The U-boat begins to twist around its center axis.
- The U-boat tower hits the bow visor.
- The U-boat straightens up.
There is no other explanation for the dent in the bow visor. In u mode,
the submarine has no buoyancy, it has the same density as water, the
submarine pushes away as much cubic meters of water as it weighs in tons.
If the submarine weighs 1,000 tons, it pushes aside 1,000 cubic meters
water, otherwise it floats or it sinks and then it is used unnecessary
energy to keep it in u position, the top speed will be lower.
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