Different Beams have different sweeping capabilities – the better and more expensive a beam is, the more Mines or Webmines it can destroy. For the total amount of swept mines just take the beam count of your ship hull and multiply it with the sweeping power in the table above. As you can see, the differences are tremendous. If you don’t know whether to build a ship with less beams / higher technology or more beams / lower technology you in most cases can choose the higher technology. As a rule of thumb …