Thread:ByAsura/@comment-25295648-20200806192204/@comment-32679227-20200814014441

There's actually something more accurate you can use to measure the beams. These city-ships are actually MC80a star cruisers (they're the same size, but don't actually have armaments).

Edit: I tried calculating it with 20 psi, and it only got 4 megatons (divided by 3) for each destroyer.