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| ** As equipment is spent even on failure, you are recommended to use the success slider when improvements consume rare equipment. | | ** As equipment is spent even on failure, you are recommended to use the success slider when improvements consume rare equipment. |
| * There is no visible stat difference between improved and unimproved equipment. | | * There is no visible stat difference between improved and unimproved equipment. |
− | ** Improvements on equipment have been shown to increase firepower, torpedo and ASW stats depending on the category of the equipment. | + | ** Improvements on equipment have been shown to increase firepower, torpedo and ASW damage depending on the category of the equipment. Speculated to be a bonus on [[Combat#Base_Attack_Power|base attack power]]. |
− | *** It's possible that this bonus is possibly not directly added to the firepower/torpedo value in damage calculations, but is instead added as a flat bonus.
| + | ** Preliminary results as of May 31, 2015 are: |
− | ** Japanese sources are currently testing the effect of improvements. Preliminary results as of 2014/12/10 are: | + | *** 12.7cm Twin Gun Mount, 61cm Quad (Oxygen) Torpedo Mount, Type 94 Depth Charge, etc: |
− | *** 12.7cm Twin Gun Mount and similar (not specified in wikiwiki) | + | **** ★+1~3: +1 bonus to firepower/torpedo/ASW |
− | **** ★+1~3: +1 bonus to firepower/torpedo | + | **** ★+4~8: +2 bonus to firepower/torpedo/ASW |
− | **** ★+4~8: +2 bonus to firepower/torpedo | + | **** ★+9~10: +3 bonus to firepower/torpedo/ASW |
− | **** ★+9~10: +3 bonus to firepower/torpedo | + | *** 35.6cm Twin Gun Mount, 41cm Twin Gun Mount, etc: |
− | *** 35.6cm Twin Gun Mount: | |
| **** ★+1: +1 bonus to firepower | | **** ★+1: +1 bonus to firepower |
| **** ★+2~4: +2 bonus to firepower | | **** ★+2~4: +2 bonus to firepower |
| **** ★+5~7: +3 bonus to firepower | | **** ★+5~7: +3 bonus to firepower |
| **** ★+8~10: +4 bonus to firepower | | **** ★+8~10: +4 bonus to firepower |
− | *** Depth charges and sonars are reported to boost firepower and ASW. | + | *** Depth charges, sonars, fire directors, and searchlights increase shelling damage ([[Type 91 Anti-Aircraft Fire Director|Type 91 FD]] ★+10 shown to increase effective firepower by 3). Torpedoes and autocannons do not. |
| + | :::*The damage increase is speculated to be the same formula as the 12.7cm Twin Gun Mount. |
| + | ::* Autocannons improvements increases the damage for torpedo salvo. (Example: [[25mm Triple Autocannon Mount]] ★+9 shown to increase effective torpedo by 3) |
| + | :::*The damage increase is speculated to be the same formula as the 61cm Quad (Oxygen) Torpedo Mount. |
| + | ::*The effective increase is speculated to be <math> \text {Effective Bonus} = \text {Equipment Type Modifier} \times \sqrt {\text {★ value}}</math>, where the Equipment Type Modifier is 1.5 for large caliber guns and 1.0 otherwise. Decimal values are calculated as well. |
| + | :::*Example 1: 12.6cm Twin Gun Mount ★+6 (2.449) and ★+7 (2.645) provides a total of +5 effective bonus. |
| + | :::*Example 2: 35.6cm Twin Gun Mount ★+6 (3.674) and ★+5 (3.354) provides a total of +7 effective bonus. |
| + | :::*ASW equipment bonus are applied not to the equipment bonus nor the base ASW value, but instead for damage calculation. |
| + | :::*The bonus is not applied to [[Expeditions#Support_Expeditions|support shelling fire]]. |
| + | |
| + | {| class="mw-collapsible mw-collapsed wikitable" |
| + | ! colspan="3" | Bonus Details |
| + | |- |
| + | ! style="font-size:15px;"|Equipment Type |
| + | ! style="font-size:15px;"|Damage the Bonus Applies to |
| + | ! style="font-size:15px;"|Equipment Type Modifier |
| + | |- |
| + | | style="text-align:center;"|Small Caliber Gun<br/>Medium Caliber Gun<br/>Secondary Gun |
| + | | rowspan="5" style="text-align:center;"|Shelling |
| + | | style="text-align:center;"|x1 |
| + | |- |
| + | | style="text-align:center;"|AP Shell |
| + | | style="text-align:center;"|x1<br>(Note: ★+5 shown to give +2 bonus, but +3 bonus not confirmed yet) |
| + | |- |
| + | | style="text-align:center;"|Fire Director<br>Searchlight |
| + | | style="text-align:center;"|x1 |
| + | |- |
| + | | style="text-align:center;"|Large Caliber Gun (Daytime) |
| + | | style="text-align:center;"|x1.5 |
| + | |- |
| + | | style="text-align:center;"|Large Caliber Gun (Nighttime) |
| + | | style="text-align:center;"|x1 |
| + | |- |
| + | | style="text-align:center;"|Torpedo<br/>Autocannon |
| + | | style="text-align:center;"|Torpedo |
| + | | style="text-align:center;"|x1 |
| + | |- |
| + | | rowspan="2" style="text-align:center;"|Sonar<br/>Depth Charge |
| + | | style="text-align:center;"|Shelling |
| + | | rowspan="2" style="text-align:center;"|x1 |
| + | |- |
| + | | style="text-align:center;"|ASW |
| + | |} |
| + | |
| * If the equipment reaches the maximum improvement level (★max), it can sometimes be upgraded into stronger equipment. Be aware that the equipment's improvement level will reset, and a ★+10 equipment could be stronger than its unimproved upgrade. | | * If the equipment reaches the maximum improvement level (★max), it can sometimes be upgraded into stronger equipment. Be aware that the equipment's improvement level will reset, and a ★+10 equipment could be stronger than its unimproved upgrade. |
| ** If the new equipment after upgrading is something you can develop from conventional development, the improvement level will be automatically set to ★+3 (or ★+5 in a few cases). | | ** If the new equipment after upgrading is something you can develop from conventional development, the improvement level will be automatically set to ★+3 (or ★+5 in a few cases). |