Cool. Thanks for coming out of lurk mode to post that link. I wonder how the first people to build one thought of doing it? It seems like nobody understood how they worked until a few decades after they started making them.

This is the Jap Battleship Yamamoto, with it's 18 inch guns, sunk in 1945. I don't know why they were using a small bulbous bow, 40 years before the effects on speed and efficiency were really understood. Maybe for ramming whales.

Does that work for whales too? Because thats what I thought of when I saw this pic:

are we back to whale penis?