Plasma Blades - Melee Weapons for ships

I think a melee weapon for ships (other than disintegrators that are one hit weapons) shall be added to the game.
The first thing that came up on my mind was plasma blades or something like that.
How would they work?
There will be a computer connected to N modules. One (minimum) or more of them shall be selected as output of the "plasma" (or whatever will be) and will create an 1 block per output-module of "plasma" that does damage over time on block hit. The damage of the "plasma" will...

Plasma Blades - Melee Weapons for ships