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Fitting ships: Difference between revisions

From EVE University Wiki
Hirmuolio Pine (talk | contribs)
m Adaptive Invulnerability Field -> Multispectrum Shield Hardener
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Buffer shield tanks operate in a very similar fashion but with one fewer slot, using between two and five. In order, fit the following:
Buffer shield tanks operate in a very similar fashion but with one fewer slot, using between two and five. In order, fit the following:
*a Large Shield Extender (for cruisers and larger) or a Medium Shield Extender (for frigates and destroyers). Small Shield Extenders should never be used, on any ship
*a Large Shield Extender (for cruisers and larger) or a Medium Shield Extender (for frigates and destroyers). Small Shield Extenders should never be used, on any ship
*one Adaptive Invulnerability Field, or if cap is an issue (and you are only using two slots) possibly a second shield extender of the same type  
*one Multispectrum Shield Hardener, or if cap is an issue (and you are only using two slots) possibly a second shield extender of the same type  
*look at your four resistances and "close" the one that is lowest with a single active shield hardener of the appropriate type
*look at your four resistances and "close" the one that is lowest with a single active shield hardener of the appropriate type
*a second Adaptive Invulnerability Field
*a second Multispectrum Shield Hardener
*if you have the power grid for it, a second Large Shield Extender
*if you have the power grid for it, a second Large Shield Extender


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=== Resistances ===
=== Resistances ===


Resistances are best thought of as reductions to incoming damage. Each mod affects one or all of the four resistances for each layer of defence. It's easy to see that the −25% EM Damage Resistance Bonus of the {{co|#9ef37c|Adaptive Invulnerability Field I}} on a ship with 0% EM resistance would reduce incoming damage by 25%. If the ship has 20% thermal resistance already, then you need to multiply the penalties to incoming damage together:
Resistances are best thought of as reductions to incoming damage. Each mod affects one or all of the four resistances for each layer of defence. It's easy to see that the −25% EM Damage Resistance Bonus of the {{co|#9ef37c|Multispectrum Shield Hardener I}} on a ship with 0% EM resistance would reduce incoming damage by 25%. If the ship has 20% thermal resistance already, then you need to multiply the penalties to incoming damage together:


:20% base resistance (1 − 0.2) = 0.8
:20% base resistance (1 − 0.2) = 0.8
:25% Adaptive Invulnerability Field (1 − 0.25) = 0.75
:25% Multispectrum Shield Hardener (1 − 0.25) = 0.75


:0.8 × 0.75 = 0.6
:0.8 × 0.75 = 0.6
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Besides the base resistances of the ship and the Damage Control module, all resistance rigs/modules suffer a stacking penalty. The stacking penalty is ordered highest to lowest per resistance, not per rig/module, which means the highest resistance module for that resistance is calculated first, even though that may not be the highest resist module for another resist.
Besides the base resistances of the ship and the Damage Control module, all resistance rigs/modules suffer a stacking penalty. The stacking penalty is ordered highest to lowest per resistance, not per rig/module, which means the highest resistance module for that resistance is calculated first, even though that may not be the highest resist module for another resist.


For example, a ship with base shield resistances, an {{co|#9ef37c|Adaptive Invulnerability Field I}}, an {{co|#9ef37c|EM Ward Field I}}, a {{co|#9ef37c|Thermal Dissipation Field I}}, and a {{co|#9ef37c|Damage Control I}} would have the following.
For example, a ship with base shield resistances, an {{co|#9ef37c|Multispectrum Shield Hardener I}}, an {{co|#9ef37c|EM Ward Field I}}, a {{co|#9ef37c|Thermal Dissipation Field I}}, and a {{co|#9ef37c|Damage Control I}} would have the following.


:'''EM:''' ''(base)'' 1.0 × ''(DCU)'' 0.925 × ''(EM Ward Field)'' 0.5 × ''(Adaptive Invulnerability Field (diminished))'' (1 − 0.25 × 0.8691) = '''0.361''', or '''64%'''
:'''EM:''' ''(base)'' 1.0 × ''(DCU)'' 0.925 × ''(EM Ward Field)'' 0.5 × ''(Multispectrum Shield Hardener (diminished))'' (1 − 0.25 × 0.8691) = '''0.361''', or '''64%'''
:'''Thermal:''' ''(base)'' 0.8 × ''(DCU)'' 0.925 × ''(Thermal Dissipation Field I)'' 0.5 × ''(Adaptive Invulnerability Field (diminished))'' (1 − 0.25 × 0.8691) = '''0.289''', or '''71%'''
:'''Thermal:''' ''(base)'' 0.8 × ''(DCU)'' 0.925 × ''(Thermal Dissipation Field I)'' 0.5 × ''(Multispectrum Shield Hardener (diminished))'' (1 − 0.25 × 0.8691) = '''0.289''', or '''71%'''
:'''Kinetic:''' 0.6 × 0.925 × 0.75 = '''0.416''', or '''58%'''
:'''Kinetic:''' 0.6 × 0.925 × 0.75 = '''0.416''', or '''58%'''
:'''Explosive:''' 65%
:'''Explosive:''' 65%


Three Adaptive Invulnerability Fields, due to diminishing returns would provide much lower EM and Thermal (38% and 50%) with only a 63% kinetic resistance.
Three Multispectrum Shield Hardeners, due to diminishing returns would provide much lower EM and Thermal (38% and 50%) with only a 63% kinetic resistance.


Alternatively, a slightly less complex calculation is that a resistance module improves resistance but only on the remaining part.  Using our Adaptive Invulnerability Field I example above, the ship has a 20% base thermal resist profile already.  So, the Adaptive Invulnerability I module applies its 25% but only to the 80% remaining hole (ie  it provides 25% of 80% => 20% effectiveness) and our thermal resistance is now 40%.
Alternatively, a slightly less complex calculation is that a resistance module improves resistance but only on the remaining part.  Using our Multispectrum Shield Hardener I example above, the ship has a 20% base thermal resist profile already.  So, the Adaptive Invulnerability I module applies its 25% but only to the 80% remaining hole (ie  it provides 25% of 80% => 20% effectiveness) and our thermal resistance is now 40%.
If we were to add another Adaptive Invulnerability Field I, it would add 25% of the 60% remaining hole (ie  15%) and our thermal resistance becomes 55%.  A fourth would only give 25% of the 45% hole (ie 11.25%) taking our thermal resistance to 66.25%.
If we were to add another Multispectrum Shield Hardener I, it would add 25% of the 60% remaining hole (ie  15%) and our thermal resistance becomes 55%.  A fourth would only give 25% of the 45% hole (ie 11.25%) taking our thermal resistance to 66.25%.


== Further reading ==
== Further reading ==