Here is the accalis's fleet first battleship: It's is medium sized, and armored with iron (the entire squeletton of the ship is made of iron) this aim to make this battleship less vulnerable to fire charges. This one has four floors, and has many rooms in it. It is armed with 4 Fire charges machine gun cannons, 4 medium range cannons, and about a dozen of dispensers cannons .
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EDIT: I've found the the back of this ship was especially ugly, so I destroied it and rebuilt it. I find it way better than the old one, so I change the schematic here
If someone like more the former battleship, just ask me the download link and will give it

Additional Notes

This one is hardly fliable with zeppelin mod, but is is, it uses no disallowed blocks.