1 key - fire weapon 1
2 key - fire weapon 2
3 key - fire weapon 3
4 key - fire weapon 4
Now, equip all 'normal' capship turrets. When you start to shoot at an enemy, hit 1, 2, 3, 4, all in rapid succession and then hold down your right mouse button to fire all guns. The individual 'cooldown' on each gun will put a delay inbetween each firing, meaning your guns will continue to fire one after the other as long as you hold down the right mouse button to keep firing.
So basically, mash the buttons as if they were fret buttons on guitar hero during the song Welcome to Paradise.
I'll try it sometime.
A way a lone a last a loved a long the riverrun, past Eve and Adam's, from swerve of shore to bend of bay,
brings us by a commodius vicus of recirculation back to Howth Castle and Environs.