I propose allowing weapon blocks attached to the first turret part (horizontal axis) to impart their strengths / effects into the barrel portion of the turret (vertical axis). This way, a vertical column of weapon blocks will rotate with the base, within the mothership, and the barrel portion of the turret can remain small so that aiming 'upwards' does not require a very large amount of space below deck (or the turret housing itself) for swinging parts.
Suppose it would be another sort of...
Below Hull Turret Parts
Suppose it would be another sort of...
Below Hull Turret Parts