Gatling Gun

Gatling guns are useful for destroying meteors and defending against hostile fighter craft. They fire bullets I'm a small but wide arc at a high rate

They must be placed in the Hull, with an internal requirement of 1x3, a size of 2x3 and an unobstructed area of 6x3 needed, for a total size of 8x3

Railgun

Railguns are useful as a sniping weapon, they have a very long but thin fire arc that spreads out. They fire Railgun Slugs. They are a 3x3 but with a 2x3 requirement to be placed in Hull. They require an unobstructed 6x3 for a total size of 9x3

Cannon

Cannons are a mide range explosive weapon, with a medium fire arc. They fire Cannon Shells. They are a 3x3 with a 2x3 in Hull requirement and need an unobstructed 6x3 area, for a total size of 9x3