Siege Engines, Great Guns, and Vehicle Weapons for Exodus NDS
Sixty-five crew-served and vehicle weapons from the battering ram to the guided missile: siege engines, the great guns of the age of sail, artillery, tank guns, bombs, and torpedoes for narrative dice games. With rules for crews, broadsides, indirect fire, and sieges, and thirty-nine ships, tanks, and aircraft to use them on.
17 chapters, about 17,300 words, free to read here in full. Written for Exodus NDS; the stat lines also drop into a Genesys RPG game.