Well, please correct me if I am wrong, but from my experimenting with weight reduction addons on my own PC, mounting a WRK (or armor with negative mass) simply reduces the mass of the ship, meaning that your ship will drift less and have better response to turning commands. It does not effect the turn rate itself (which is defined in shiparch - does not change, even with addons). In a ship w/mass = 400, you might be able to turn as as quickly as a LF, but since that ship's mass is so high, it wi…