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12cm 30-tube Rocket Launcher
[Edit]
No.51 12cm30連装噴進砲
| |
 Anti-Aircraft GunEffects:
 +8Scrap value:
 4  2  2 (Buildable) | |
| |
| Refittable Ship Types | |
| Coastal Defense Ship | Destroyer |
| Light Cruiser | Torpedo Cruiser |
| Heavy Cruiser | Training Cruiser |
| Aviation Cruiser | Fast Battleship |
| Battleship | Aviation Battleship |
| Light Carrier | Standard Aircraft Carrier |
| Armored Carrier | Seaplane Tender |
| Submarine | Aircraft Carrying Submarine |
| Submarine Tender | Fleet Oiler |
| Repair Ship | Amphibious Assault Ship |
Introduction
12cm30連装噴進砲は、艦載用対空ロケットランチャーです。
四式ロケット式焼霰弾（ロサ弾）を30連発で連続発射する脅威の弾幕は、肉薄する敵艦載機から味方艦を護ります。
ぜひ、改装した伊勢・日向に満載して、敵空母の猛攻を突破してください！
The 12cm 30-tube launcher is an anti-aircraft rocket launcher for ships.
The threatening barrage that fires 30 consecutive rocket-type shrapnel shells (RoSa shells) protects allies from fragile enemy carrier-based aircraft.
By all means, pack these onto the refurbished Ise and Hyuuga and break through the onslaught of enemy aircraft carriers!
Notes
How To Obtain
Buildable
Stock equipment of: Amagi Kai
, Chitose Kou Kai Ni
, Chitose Kou Kai
, Chiyoda Kou Kai Ni
, Chiyoda Kou Kai
, Fusou Kai Ni
, Hyuuga Kai Ni
, Ise Kai Ni
, Junyou Kai Ni
, Katsuragi Kai
, Ryuuhou Kai
, Shinyou Kai Ni
, Shoukaku Kai
, Unryuu
, Zuikaku Kai
From quest: B113 (x2, choice), B171 (x3, choice), C22 (x2, choice), C35 (x2, choice), C38 (x2, choice), F71 (x2, choice),F72 (x2, choice), F90 (x2, choice)
From limited-time quest: 5A01 (x3, choice), SB34 (x4, choice), SB48 (x3, choice), SB53 (x6, choice), Su03 (x2, choice), Su07 (choice), 21Fa LB02 (x4 choice), 2302 B1 (x2 choice)
Uses
Used to improve: 12cm 30-tube Rocket Launcher
, Daihatsu Landing Craft (Type 89 Medium Tank & Landing Force)
, 12cm 30-tube Rocket Launcher Kai Ni
, Shipborne Model Type 4 20cm Anti-ground Rocket Launcher
Used by quest: F89
Updates History
- 2013-05-15: Implemented
- 2014-09-12: Stats increased:
+6 → +8 - 2018-02-05: Became improvable and upgradeable to 12cm 30-tube Rocket Launcher Kai Ni
- 2020-02-07: Became buildable
Improvement
| Type | Name | ★ | Resource | Day | 2nd Ship | Note | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sun | Mon | Tue | Wed | Thu | Fri | Sat | |||||
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12cm 30-tube Rocket Launcher | 0 | 90 | 270 | 50 | 180 | 3/6 | 2/3 | 1x
|
I |
H |
H |
X | X | I |
I |
Ise Kai Hyuuga Kai |
Upgrades to 12cm 30 Tube Rocket Launcher Kai 2. Ise Kai Ni and Hyuuga Kai Ni can NOT improve this equipment. |
| 6 | 5/9 | 3/5 | 2x
| |||||||||||||||
| 10 | 10/30 | 7/10 | 3x 1x 
| |||||||||||||||
Improvement  effects
| ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
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1★ | 2★ | 3★ | 4★ | 5★ | 6★ | 7★ | 8★ | 9★ | Max★ |
|
1.00 | 1.41 | 1.73 | 2.00 | 2.23 | 2.44 | 2.64 | 2.82 | 3.00 | 3.16 |
|
1.2 | 1.69 | 2.07 | 2.40 | 2.68 | 2.93 | 3.17 | 3.39 | 3.60 | 3.79 |
| [math]\displaystyle{ \text{AdjAA}_\text{ship} }[/math] | 6.00 | 8.49 | 10.39 | 12.00 | 13.42 | 14.70 | 15.87 | 16.97 | 18.00 | 18.97 |
 Torpedo
|
2.00 | 2.82 | 3.46 | 4.00 | 4.47 | 4.89 | 5.29 | 5.65 | 6.00 | 6.32 |
Trivia
- The name (ロサ弾), "RoSa Shell" is an abbreviated name for "Rocket Shousan Shell". As the name suggests, this is also an incendiary shrapnel shell.