Deltath Armenak

For people who don't realise how weapon upgrade modules work under the stacking penalty:

Let's say I have a gun that does 100 damage each second. 100 dps.
I begin adding magstabs that have 10% damage bonus and a -10% rate of fire bonus. (just an example, you can't get them)

The stacking penalty works like this. First module is fine, the second one works at 87%, third one at 56% and so on.

The first magstab:
Dmg: 100 * 1.1 = 110
Rate: 1 * 0.9 = 0.9
Dps: 110 / 0.9 = 122.2

Second magstab:
Dmg: 110 * (1 + 0.1 * 0.87) = 110 * 1.087 = 119.57
Rate: 0.9 * (0.9 + (0.1 - (0.1 * 0.87))) = 0.9 * 0.913 = 0.822
Dps: 119.57 / 0.822 = 145.46

Third
Dmg: 119.57 * (1 + 0.1 * 0.56) = 119.57 * 1.056 = 126.27
Rate: 0.822 * (0.9 + (0.1 - (0.1 * 0.56))) = 0.822 * 0.944 = 0.776
Dps: 126.27 / 0.776 = 162.72

Dps boost from each one:
1: 122 - 100 = 22.2
2: 145.46 - 122.2 = 23.26
3: 162.72 - 145.46 = 17.26