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Shields: Difference between revisions

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== Technical Section: Fitting Multiple Modules with Stacking Penalties ==
== Technical Section: Fitting Multiple Modules with Stacking Penalties ==
This is meant as an illustration. Although it seems laborious, shield fitting requires this computation for each module that incurs a stacking penalty. Note, also, that the use of percentage reductions and stacking penalties is what prevents the total vulnerability from reaching zero. With no vulnerability, the ship would take no damage ... which sounds like fun briefly, but would make for rather boring game play.
Although it seems laborious, shield fitting requires this computation for each module that incurs a stacking penalty. Note, also, that the use of percentage reductions and stacking penalties is what prevents the total vulnerability from reaching zero. With no vulnerability, the ship would take no damage ... which sounds like fun briefly, but would make for rather boring game play.


Suppose a ship's base Kinetic damage resistance is 40%. This means that its base Kinetic vulnerability is 60%. Now suppose that the pilot installs a module that reduces Kinetic vulnerability by 40%. This makes the reduction in vulnerability 40% of 60%, or 24%. And so the new vulnerability is 60% - 24%, or 36%.
This is meant as an illustration. Suppose a ship's base Kinetic damage resistance is 40%. This means that its base Kinetic Vulnerability is 60%. Now suppose that the pilot installs a module that reduces Kinetic Vulnerability by 40%. This makes the reduction in vulnerability 40% of 60%, or 24%. And so the new vulnerability is 60% - 24%, or 36%.


Now suppose that second module is installed, and that this module has a bonus that reduces Kinetic vulnerability by 30%. First, because these two modules alter the same attribute, a stacking penalty must be applied. This reduces the smaller module affect to 86.9% of 30%, or 26.1%.
Now suppose that second module is installed, and that this module has a bonus that reduces Kinetic Vulnerability by 30%. First, because these two modules alter the same attribute, a stacking penalty must be applied. This reduces the "lesser" module's affect to 86.9% of 30%, or 26.1%.


Since the updated vulnerability from the first module was 36%, the new change in vulnerability is 26.1% of 36%, or 9.4%. This change is subtracted from 36% to get the new updated vulnerability of 26.6%.  
Since the updated vulnerability from the first module was 36%, the new change in vulnerability is 26.1% of 36%, or 9.4%. This change is subtracted from 36% to get the new updated vulnerability of 26.6%.