RTW2 技術研究

大きな技術革新点

研究が完了することで艦船設計などに大きな影響を及ぼす技術をあげていきます。

技術名称	技術の名称
開発解禁目安	その技術に設定されている開発年度。この年以前にその技術を研究しようとするとより多くのコストがかかる。

研究分野	技術名称	開発目安年度	解説
Machinery developmen	Oil firing	1905	石油機関を使用可能。石炭機関より軽量。
	Large diesel engines	1925	ディーゼル機関を使用可能。石油より燃費がよく加速性が良いが、開発時点では石油機関より重い。
	Supercharged diesels	1943	ディーゼル機関の重量を10％軽減。
Armour development	Inclined belt	1916	傾斜装甲を使用可能。
Hull construction
Fire control	Central firing	1903	Central firingを使用可能。
	Director firing	1912	Directorを使用可能。
	Secondary director	1915	副砲とCL主砲にDirectorを使用可能。
	Improved Director	1918	Improved Directorを使用可能。
	Advanced director	1926	Advanced directorを使用可能。
	Secondary director for CL	1926	CLの副砲にDirectorを使用可能。
	Electro optical director	1942	Electro optical directorを使用可能。
Subdivision and damage control	Torpedo protection I	1906	水雷防御1を使用可能。
	Torpedo protection II	1909	水雷防御2を使用可能。
	Torpedo protection III	1919	水雷防御3を使用可能。
	Torpedo protection IV	1924	水雷防御4を使用可能。
Turrets and gun mountings	Triple turrets	1907	3連装砲を使用可能。
	Improved triple turrets	1914	3連装砲のROF、信頼性ペナルティを改善。
	Quadruple turrets	1914	4連装砲を使用可能。
	Dual purpose mounting	1917	3インチ、4インチのDPを使用可能。
	Double gun mounts on CL	1921	CLで連装主砲を使用可能。
	Improved Quadruple turrets	1929	4連装砲のROF、信頼性ペナルティを改善。
	6 in autoloader	1943	6インチのオートローダーを使用可能。
	7 and 8 in autoloader	1945	7インチ、8インチのオートローダーを使用可能。
Ship design	3 centreline turrets	1903	中心線状に3基の主砲を搭載可能。
	Main battery Wing turrets	1904	主砲をwingの位置に搭載可能。
	Cross deck fire	1905	Crossdeckfireを使用可能。
	Superimposed X turret	1905	X主砲を搭載可能。Xは後部背負いの位置。
	4 centreline turrets	1906	中心線状に4基の主砲を搭載可能。
	Superimposed B turret	1906	B主砲を搭載可能。Bは前部背負いの位置。
	5+ centreline turrets	1908	中心線状に5基以上の主砲を搭載可能。
	Secondary turrets on BB	1909	BBに砲塔式の副砲を搭載可能。
	AON armour	1911	装甲方式でAONを使用可能。
	Superimposed turrets on CA	1917	CAで背負い式砲塔を使用可能。
	Unit machinery	1917	Unit machineryを使用可能。
	Magazine box protection	1922	Magazine boxを使用可能。
	All forward main armament	1923	主砲前方集中配置方式を使用可能。
	Triple turrets on CL	1925	CLで3連装主砲を使用可能。
AP Projectiles	Diving shells	1933	Diving shellsを使用可能。
Light forces and torpedo warfare	DD of up to 600 tons displacement	1901	600トン級DDを建造可能。
	DD of up to 700 tons displacement	1906	700トン級DDを建造可能。
	DD of up to 900t displacement	1908	900トン級DDを建造可能。
	Double torpedo tube mount	1912	連装魚雷発射管を使用可能。
	DD of up to 1100t displacement	1912	1100トン級DDを建造可能。
	Triple torpedo tube mount	1914	3連装魚雷発射管を使用可能。
	DD of up to 1500t displacement	1914	1500トン級DDを建造可能。
	Above water tubes on CL	1914	CLに艦上魚雷発射管を搭載可能。
	Superimposed X mount on CL	1914	CLにX主砲を搭載可能。Xは後部背負いの位置。
	Superimposed guns on DD	1915	DDに背負い式主砲を搭載可能。
	Quadruple torpedo tube mount	1915	4連装魚雷発射管を使用可能。
	Superimposed B mount on CL	1917	CLにB主砲を搭載可能。Bは前部背負いの位置。
	Above water tubes on other ships	1920	全ての船に艦上魚雷発射管を搭載可能。
	DD of up to 2000t displacement	1923	2000トン級DDを建造可能。
	Double gun mounts on DD	1924	DDに連装砲を搭載可能。
	Dual purpose guns as main armament for DD	1925	DDの主砲でDPを使用可能。
	Reloads for deck mounted torpedo tubes	1927	魚雷再装填装置を搭載可能。
	DD of up to 2500t displacement	1932	2500トン級DDを建造可能。
Torpedo technology	Oxygen fuelled torpedoes	1930	酸素魚雷を使用可能。
	More powerful compressed air ejection	1937	3500トンまでの船で中心線状に魚雷発射管を搭載可能。
	Advanced centerline torpedo mounts	1939	7000トンまでの船で中心線状に魚雷発射管を搭載可能。
	Motobomba FFF	1942	航空魚雷の走行方式を変更し命中率を改善。
Submarines	Early coastal submarine	1901	SSCを建造可能。
	Medium range submarine	1910	SSを建造可能。
	Minelaying submarine	1914	SSMを建造可能。
ASW technology	Depth charges	1916	depth chargeを搭載可能。
	K-guns	1924	K-gunを搭載可能。
	Forward firing ASW mortar	1941	Forward ASW mortarを搭載可能。
Explosive shells	Base fuzes	1910	SAPを使用可能。
Fleet tactics	Carrier force	1923	空母部隊を指揮可能に。
Anti Aircraft Artillery	Heavy AA MG	1918	LAAを搭載可能。
	HA rangefinder	1918	HAAが有効化。
	40 mm automatic cannon	1922	MAAを使用可能。
	3 and 4 in twin dual purpose mounting	1926	3インチ、4インチをDP化可能。
	Early AA director	1926	AA directorを搭載可能。
	5 in dual purpose mounting	1933	5インチをDP化可能。
	6 in dual purpose mounting	1934	6インチをDP化可能。
	Large shrapnel AA shells	1941	主砲の対空能力を有効化。
Radar and Electronics	Early surface search radar	1937	Search radarを搭載可能。
	Improved surface search radar	1939	Search radar2を搭載可能。
	Early air search radar	1939	レーダーの対空捜索機能を有効化。
	Radar assisted gunnery	1940	FC radarを搭載可能。射撃の命中率が増加。
	Cavity magnetron	1940	Search radar3を搭載可能。捜索範囲が向上。
	Early blind fire capability	1941	FC radar2を搭載可能。レーダー管制射撃が可能に。
	Improved blind fire capability	1942	FC radar3を搭載可能。レーダー管制射撃の制度を向上。
	S band radar	1944	FC radar4、Search radar4を搭載可能。レーダー性能が向上。
	Monopulse radar	1950	Search radar5を搭載可能。捜索範囲が向上。
Naval Aviation Lighter than Air	Early airships	1911	飛行船基地を建設可能。
	Airship bomb armament	1915	飛行船が爆弾を搭載。
	Aircraft carrying airships	1922	飛行船が航空機を搭載可能。
Naval Aviation Heavier than Air	Seaplane scouts	1915	空港を建設可能。容量20機。
	Aircraft bombing of ships	1916	航空機による爆撃が可能に。
	Early air launched torpedoes	1917	雷撃機に魚雷を搭載可能。
	Aircraft catapult	1923	カタパルトを船に搭載可能。
	Dive bombing	1930	DB(急降下爆撃機)を使用可能。
	Aerial depth charges	1941	空港と空母の対潜能力向上。
	Coordinated airstrike management	1941	複数の空母でcoordinated strikesを使用して同時攻撃可能。
	AP bombs	1942	爆撃にAP bombを使用。
	Skip bombing	1942	水平爆撃の対艦性能を向上。
	Bombentorpedo	1944	浅い角度の爆撃のニアミスは魚雷の命中に変換される可能性がある。

技術一覧

ver1.26時点での研究分野・各技術の一覧になります。

拡散(Proliferation)	ある国でその技術が開発されると他の国も真似して研究したがるかどうか。
開発確率	開発が開始する確率。例えばこの数値が50ならば50％の確率でその技術を飛ばして次を研究する。100なら必ず研究する。
コスト	研究完了に必要な分野ポイントの倍率。1で20000ポイント必要。研究完了でリセットされるが、技術購入で研究中の技術が研究完了した場合は他技術に再分配される
効果	研究完了によって得られる効果。

Machinery developmen(動力機関)

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Improved surface condenser	1900	N	100	3	1	1% weight saving on machinery
Cockburn safety valve	1901	Y	100	4	2	1% weight saving on machinery
Side drums	1902	Y	100	6	3	1% weight saving on machinery
Preheater	1903	N	100	6	4	1% weight saving on machinery
Steam Turbines	1904	Y	100	8	5	Considerable weight savings on machinery
Small tube boilers I	1905	N	80	8	6	1% weight saving on machinery
Oil firing	1905	Y	80	8	7	Enables oil firing if access to oil
Economizer	1906	Y	100	5	8	1% weight saving on machinery
Small tube boilers II	1908	N	80	8	9	1% weight saving on machinery
Superheater	1912	N	100	10	10	1% weight saving on machinery
Circulation augmenter	1914	N	100	10	11	1% weight saving on machinery
Reduction gears	1916	N	80	10	12	Increases endurance
Water wall furnace	1918	N	100	10	13	1% weight saving on machinery
Advanced superheater	1920	N	80	10	14	1% weight saving on machinery
Double reduction gears	1922	N	80	14	15	1% weight saving on machinery
Forced circulation	1924	N	100	10	16	1% weight saving on machinery
Large diesel engines	1925	N	50	10	18	Enables diesel engines
Turbo electric drive	1926	N	100	12	17	1% weight saving on machinery
Improved oil burners	1928	N	100	10	19	2% weight saving on machinery
350 psi steam plant	1930	N	100	10	20	2% weight saving on machinery
Lighter steam turbines	1933	Y	100	6	21	2% weight saving on machinery
500 psi steam plant	1935	N	100	10	22	2% weight saving on machinery
Variable pitch propellers	1937	N	100	10	23	Improves range for cruisers.
Improved high pressure steam plants	1941	N	100	10	24	1% weight saving on machinery
Supercharged diesels	1943	N	70	10	25	Reduces weight of diesel engines by 10%
Lightweight engine component materials	1945	N	100	10	26	1% weight saving on machinery
Forced lubrication	1947	N	100	10	27	1% weight saving on machinery

Armour development(装甲・鋼鈑生産)

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Krupp armour	1900	Y	100	3	101	Gradual improvement of armour quality
Face hardening	1902	N	100	6	102	Gradual improvement of armour quality
Quality control	1904	N	100	8	103	Gradual improvement of armour quality and 1% weight saving
Improved annealing	1906	N	100	8	104	Gradual improvement of armour quality
Krupp Cementit	1908	Y	100	8	105	Gradual improvement of armour quality
Quality control II	1910	N	100	10	106	Gradual improvement of armour quality and 1% weight saving
Improved armour bracing	1912	Y	90	10	114	2% weight saving on armour
Improved face hardening	1914	N	90	10	107	Gradual improvement of armour quality
Improved homogenous armour	1916	N	100	14	108	Gradual improvement of armour quality
Inclined belt	1916	Y	90	16	109	Enables inclined belt
Improved armour testing methods	1920	N	80	14	110	Gradual improvement of armour quality and 1% weight saving
Internal belt	1922	Y	80	14	111	Gradual improvement of armour quality
Interlocked armor plates	1921	N	80	14	120	Gradual improvement of armour quality
Integral Armour	1923	N	80	14	126	2% weight saving on armour
Decapping belt	1924	N	80	14	112	Gradual improvement of armour quality
Advanced face hardening	1926	N	80	14	113	Gradual improvement of armour quality
Advanced alloying	1928	N	80	14	121	Gradual improvement of armour quality
Microphotography for armour breakage studies	1930	N	80	14	125	Gradual improvement of armour quality
Post-hardening tempering process	1932	N	80	14	119	Gradual improvement of armour quality
X-Ray quality testing	1934	N	80	14	117	Gradual improvement of armour quality
Reduced impurities	1935	N	80	14	122	Gradual improvement of armour quality
Temper brittleness mastered	1937	N	80	14	118	Gradual improvement of armour quality
Improved armour face toughness	1939	N	80	14	116	Gradual improvement of armour quality
Micro alloy additions (vanadium, boron, copper)	1941	N	80	14	123	Gradual improvement of armour quality
Thermo mechanically treated armour materials	1944	N	80	14	124	Gradual improvement of armour quality

Hull construction(船体構築)

Hull construction船体構築

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Improved riveting techniques	1901	Y	100	6	201	1% weight saving on hull
High tensile steel	1902	Y	100	6	202	1% weight saving on hull
Basic weight control	1903	Y	100	8	203	1% weight saving on hull
Testing tank for hull form	1904	N	80	6	227	Reduces engine HP requirements
Improved rolled shipbuilding steel	1904	Y	100	6	226	1% weight saving on hull
Longitudinal framing	1905	N	100	7	204	1% weight saving on hull
Improved weight control	1908	Y	100	6	205	1% weight saving on hull
Hydraulic riveting	1910	Y	100	6	206	1% weight saving on hull
Better steel quality	1911	Y	100	8	207	1% weight saving on hull
Improved longitudinal framing	1914	N	100	10	208	1% weight saving on hull
Slender hull girders	1916	Y	100	12	209	1% weight saving on hull
Improved design calculations	1918	Y	100	12	210	1% weight saving on hull
Weight saving	1920	Y	100	12	211	1% weight saving on hull
Partial welding	1922	N	100	12	212	1% weight saving on hull
Hydrodynamic hull form	1922	N	80	12	216	Reduces engine HP requirements
Lightweight fittings	1923	Y	100	12	215	1% weight saving on hull
Lightweight scantlings	1925	N	100	22	225	1% weight saving on hull
Welded hull	1930	Y	100	20	213	1% weight saving on hull
Improved welding	1934	Y	100	22	217	1% weight saving on hull
Lightweight materials	1938	Y	100	22	222	1% weight saving on hull
Advanced welding	1942	Y	80	22	218	1% weight saving on hull
High-strength alloyed steel	1944	N	80	15	224	1% weight saving on hull
Plastic interior fittings	1949	Y	100	22	223	1% weight saving on hull

Fire control(火器管制)

Fire control火器管制

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Coincidence rangefinder	1900	Y	100	3	301	Gradual national accuracy improvement
6 ft rangefinder	1902	Y	100	4	302	Gradual national accuracy improvement
Central firing	1903	Y	100	6	303	Enables central firing as FC system on ships
Range calculator	1903	N	90	6	304	Gradual national accuracy improvement
Control tops	1904	Y	90	7	305	Gradual national accuracy improvement
Automatic range transmitter	1905	N	100	5	306	Gradual national accuracy improvement
9 ft rangfinder	1905	Y	100	5	307	Gradual national accuracy improvement
Mechanical fire control computer	1905	N	90	6	308	Gradual national accuracy improvement
Stereoscopic rangefinder	1906	N	40	5	309	Gradual national accuracy improvement
Plotting table	1908	Y	90	6	310	Gradual national accuracy improvement
Target designator	1911	N	90	8	311	Gradual national accuracy improvement
Director firing	1912	Y	100	8	312	Enables director firing in ships
12 ft rangefinder	1912	Y	100	8	313	Gradual national accuracy improvement
Ladder shooting	1912	N	70	10	315	Gradual national accuracy improvement
Gyro stabiliser	1913	N	80	10	314	Gradual national accuracy improvement
15 ft rangefinder	1914	Y	80	10	316	Gradual national accuracy improvement
Secondary director	1915	N	80	10	317	Enables directors for secondary battery and for CL main battery
Improved Director	1918	N	100	15	318	Enables improved director on ships
Synthetic fire control computer	1922	N	100	14	319	Reduces penalty for own ship turning
Advanced director	1926	Y	80	22	320	Enables advanced director on ships
Secondary director for CL	1926	Y	80	22	327	Enables secondar director on CL
Improved optics quality	1933	Y	90	22	321	Gradual national accuracy improvement
Electro optical director	1942	N	80	22	322	Enables electro optical director on ships
Improved electro optical director	1946	N	80	22	323	Gradual national accuracy improvement
Early electronic gunnery computer	1948	N	80	22	324	Gradual national accuracy improvement
Improved electronic gunnery computer	1954	N	80	22	325	Gradual national accuracy improvement
Increased electronic computing power	1957	N	80	22	326	Gradual national accuracy improvement

Subdivision and damage control(隔壁構造とダメージコントロール)

Subdivision and damage control隔壁構造とダメージコントロール

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Double bottom	1901	Y	100	6	401	Gradual damage control improvement
Improved subdivision	1903	N	80	6	402	Gradual damage control improvement
Torpedo protection I	1906	N	80	6	403	Enables Torpedo protection I on ships
High capacity pumps I	1908	N	80	8	404	Gradual damage control improvement
Torpedo protection II	1909	N	50	8	405	Enables Torpedo protection II on ships
Extended double bottom	1910	N	50	9	406	Gradual damage control improvement
High capacity pumps II	1912	N	50	9	407	Gradual damage control improvement
Diesel generators	1914	N	50	10	408	Gradual damage control improvement
Triple bottom	1916	N	50	12	409	Gradual damage control improvement
Improved firefighting equipment	1917	N	50	10	410	Gradual damage control improvement
Torpedo protection III	1919	N	50	12	411	Enables Torpedo protection III on ships
Improved counterflooding equipment	1923	N	50	14	413	Gradual damage control improvement
Torpedo protection IV	1924	N	50	12	412	Enables Torpedo protection IV on ships
Non flammable materials	1924	N	50	14	414	Gradual damage control improvement
Improved watertight hatches	1925	N	90	12	415	Gradual damage control improvement
Improved damage control practices	1930	N	90	14	420	Gradual damage control improvement
Increased fire hazard awareness	1935	N	90	14	421	Gradual damage control improvement
Portable pumps	1939	N	90	14	422	Gradual damage control improvement
Built in foam extinguisher systems	1940	N	90	14	423	Gradual damage control improvement

Turrets and gun mountings(砲塔と揚弾機構)

Turrets and gun mountings砲塔と揚弾機構

Initial turret limitations as of 1900:

   -20% ROF for multi-barrel primary turrets below 7 inches, and -10% at 8 inches
   -40% ROF for multi-barrel secondary turrets below 7 inches, and -20% ROF at 7 inches
   -20% ROF for single secondaries below 7 inches in full turrets (> 2" armor), and at 7 inches
   No ROF penalty for casemates or single turrets below 7 inches with gun shields (2" armor or less)
   No more than 2 barrels per turret

機械翻訳

1900年の初期砲塔の制限

   -7インチ以下のマルチバレル一次砲塔では-20％のROF、8インチでは-10％のROF
   -7インチ以下のマルチバレル二次砲塔では-40％のROF、7インチでは-20％のROF
   フルタレット(>2 "装甲)で7インチ以下のシングルセカンダリーには-20%ROF、7インチでは-20%ROF
   砲盾(2インチ以下の装甲)を持つケースメイトまたは7インチ以下の単一タレットにはROFのペナルティはない。
   砲塔ごとに2バレルまで

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Hydraulic recoil	1900	Y	100	3	501	Gradual national ROF improvement
Power rammers	1901	Y	100	5	502	Gradual national ROF improvement
Pneumatic recuperator	1903	N	100	6	503	Gradual national ROF improvement
Improved turret design	1904	N	90	6	522	1% Weight saving on turrets
Mechanical shell handling	1905	Y	100	5	504	Gradual national ROF improvement
Improved hoists	1906	N	100	5	505	Gradual national ROF improvement
Triple turrets	1907	Y	80	8	506	Enables triple turrets
Hydraulic rammers	1908	N	100	6	507	Gradual national ROF improvement
Reliable power training and elevation	1914	N	60	7	508	Reduces ROF penalty for guns below 8 inches in turrets
Improved triple turrets	1914	Y	70	12	509	Eliminates ROF and reliability penalty for triple turrets
Quadruple turrets	1914	Y	50	10	510	Enables quadruple turrets
Increased elevation	1916	Y	90	12	511	Enables increased elevation
Dual purpose mounting	1917	Y	70	12	512	Enables 3 and 4 inch guns in single DP mounts
Improved power training and elevation	1920	N	60	8	513	Eliminates ROF penalty for guns below 8 inches in turrets
Double gun mounts on CL	1921	Y	80	12	518	Enables double gun mounts on CL
Weight savings in turret fittings	1925	N	90	12	515	1% Weight saving on turrets
Improved Quadruple turrets	1929	N	50	14	514	Eliminates ROF and reliability penalty for quadruple turrets
Increaseed loading mechanization	1930	N	90	12	516	Gradual national ROF improvement
Electric elevation and training	1934	N	70	12	517	Gradual national ROF improvement
Improved power rammers	1938	N	90	12	523	Gradual national ROF improvement
6 in autoloader	1943	N	90	15	519	Enables autoloader for 6 in guns
7 and 8 in autoloader	1945	N	90	15	520	Enables autoloader for 7 and 8 in guns
Improved autoloader	1948	N	90	15	521	Enables improved autoloader

Ship design(艦艇設計)

Ship design艦艇設計

Initial turret limitations as of 1900:

   Primary wing turrets up to 7 inches
   Secondary guns up to 7 inches in casemates or single turrets
   Secondary guns up to 6 inches in multi-barrel turrets

機械翻訳

1900年の初期砲塔の制限

   7インチまでの主翼砲塔
   ケースメイトまたは単一タレットの7インチまでの副砲
   マルチバレルタレットの6インチまでの副砲

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Heavy secondary battery	1900	Y	70	5	601	Enables secondary guns heavier than 7 inches in casemates or single turrets
Medium wing turrets	1901	Y	90	6	602	Enables secondary wing double turrets up to 10 inches calibre
3 centreline turrets	1903	Y	70	12	603	Enables 3 centreline main turrets on ships
Main battery Wing turrets	1904	Y	80	10	604	Enables main battery wing turrets on ships
Cross deck fire	1905	N	70	6	605	Enables cross deck fire for staggered wing turrets (positions D & F or E & G)
Superimposed X turret	1905	Y	70	8	606	Enables superimposed X turret on ships
4 centreline turrets	1906	Y	70	10	607	Enables 4 centreline main turrets on ships
Light cruiser armour configuration	1906	Y	100	6	608	Enables light cruiser armour configuration
Superimposed B turret	1906	Y	70	8	609	Enables superimposed B turret on ships
5+ centreline turrets	1908	Y	70	10	611	Enables 5 or more centreline main turrets on ships
Secondary turrets on BB	1909	Y	70	12	612	Enables secondary guns in turrets on BB
AON armour	1911	N	60	15	613	Gives full benefits of all or nothing armour layout (no BE or DE)
Efficient hull form	1915	N	80	12	615	Reduces engine HP requirements
Superimposed turrets on CA	1917	Y	100	7	614	Enables superimposed turrets on CA
Unit machinery	1917	Y	100	7	630	Enables unit machinery
Advanced design calculations	1918	Y	90	15	616	1% weight saving on hull
Magazine box protection	1922	N	90	4	629	Enables magazine box protection scheme
More efficient hull form	1922	Y	80	12	626	Reduces engine HP requirements
All forward main armament	1923	N	80	10	627	Enables weight benefits from all forward main armament
Triple turrets on CL	1925	Y	80	12	619	Enables triple turrets on CL
Advanced weight saving	1926	Y	90	12	620	1% weight saving on hull
Bulbous bow	1930	Y	90	15	622	Reduces engine horsepower requirements
Lightweight materials	1934	Y	90	15	623	1% weight saving on hull
Improved hull design methods	1938	Y	90	10	628	Reduces armour weight by 1%
Improved bulbous bow	1940	Y	90	14	624	Reduces horsepower requirements
Modern lightweight materials	1944	N	80	20	625	1% weight saving on hull

AP Projectiles(徹甲弾)

AP Projectiles徹甲弾

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Hardened AP penetrator	1901	Y	80	6	701	Gradual AP penetration improvement
Reliable bursting charges	1902	Y	80	5	702	Enhances damage from penetrating hits
Capped AP projectiles	1905	Y	80	6	703	Gradual AP penetration improvement
Improved AP cap	1906	Y	60	8	704	Gradual AP penetration improvement
Increased oblique penetration ability	1908	N	30	10	705	Gradual AP penetration improvement
Improved AP penetrator alloys	1910	N	30	10	706	Gradual AP penetration improvement
Stable explosive filler	1911	N	40	10	719	Enhances damage from penetrating hits
Ballistic cap	1912	N	70	12	707	Gradual AP penetration improvement
Improved shell quality control	1916	N	50	12	708	Gradual AP penetration improvement
Heavy shells	1916	N	60	15	709	Gradual AP penetration improvement
Improved ballistc cap	1918	N	100	14	710	Gradual AP penetration improvement
Advanced penerator alloys	1922	N	100	14	711	Gradual AP penetration improvement
Super heavy shells	1924	N	60	15	712	Gradual AP penetration improvement
Increased muzzle velocity	1926	N	60	15	713	Gradual AP penetration improvement
Decremental chilling technique	1931	N	70	15	720	Gradual AP penetration improvement
Improved alloys	1933	N	60	15	714	Gradual AP penetration improvement
Diving shells	1933	N	20	15	721	Enables use of diving shells
Shatter resistant shells	1935	N	70	12	717	Gradual AP penetration improvement
Advanced AP cap design	1938	N	70	15	715	Gradual AP penetration improvement
Super hardened penetrator	1940	N	70	15	716	Gradual AP penetration improvement
Advanced penetrator alloys	1943	N	70	15	718	Gradual AP penetration improvement
Improved streamlinging	1946	Y	90	12	722	Gradual AP penetration improvement

Light forces and torpedo warfare(小型艦艇と魚雷戦)

Light forces and torpedo warfare小型艦艇と魚雷戦

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
DD of up to 600 tons displacement	1901	Y	80	3	801	Enables building of DD up to 600 tons displacement
DD of up to 700 tons displacement	1906	Y	80	5	802	Enables building of DD up to 700 tons displacement
DD of up to 900t displacement	1908	Y	90	6	803	Enables building of DD up to 900 tons displacement
Double torpedo tube mount	1912	Y	70	5	804	Enables double torpedo mounts
DD of up to 1100t displacement	1912	Y	80	7	805	Enables building of DD up to 1100 tons displacement
Triple torpedo tube mount	1914	Y	70	12	806	Enables triple torpedo mounts
DD of up to 1500t displacement	1914	Y	50	10	807	Enables building of DD up to 1500 tons displacement
Above water tubes on CL	1914	Y	80	10	808	Enables above water torpedo mounts on CL
Superimposed X mount on CL	1914	Y	80	10	809	Enables superimposed X gun mounts on CL
Superimposed guns on DD	1915	Y	80	9	810	Enables superimposed gun mounts on DD
Quadruple torpedo tube mount	1915	Y	80	12	811	Enables quadruple torpedo mounts
Motor torpedo boats	1916	Y	50	10	812	Enables building of MTB squadrons
Superimposed B mount on CL	1917	Y	80	14	813	Enables superimposed B gun mounts on CL
Above water tubes on other ships	1920	Y	80	12	814	Enables above water torpedo mounts on all ships
DD of up to 2000t displacement	1923	Y	50	10	823	Enables building of DD up to 2000 tons displacement
Double gun mounts on DD	1924	Y	80	15	826	Enables double gun mounts on DD
Dual purpose guns as main armament for DD	1925	N	90	12	825	Enables DP guns as main armament for DD
Reloads for deck mounted torpedo tubes	1927	N	80	6	815	Enables reloads for above water mounted torpedo tubes
Weight savings in torpedo mounts	1931	Y	80	12	816	Reduces torpedo mount weight
DD of up to 2500t displacement	1932	Y	50	10	824	Enables building of DD up to 2500 tons displacement
Improved motor torpedo boats	1934	Y	50	10	817	MTB squadrons will have improved MTB boats
Improved power training for torpedo mounts	1936	N	80	18	818	Increases torpedo readiness
Magnetic mines	1938	N	70	14	819	Improves mine efficiency
Quintuple torpedo tube mount	1942	Y	80	14	820	Enables quintuple torpedo mounts
Lightweight materials for torpedo mounts	1947	Y	80	14	821	Reduces torpedo mount weight
Modern control systems	1952	N	80	14	822	Reduces torpedo mount weight

DD of up to 700 tons displacement;
Enables building of DD up to 700 tons displacement
4in砲がロス無く搭載できる排水量

DD of up to 1100t displacement;
Enables building of DD up to 1100 tons displacement
5in砲がロス無く搭載できる排水量

Torpedo technology(魚雷技術)

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Improved hydrostatic valve	1900	Y	90	4	901	Torpedoes now have range@speed 800@25/2000@15
Reliable pendulum mechanism	1903	N	90	5	902	Torpedoes now have range@speed 900@28/2500@15
Gyroscope	1904	N	90	5	903	Torpedoes now have range@speed 1000@28/3000@15
Improved compressed air supply	1905	N	90	8	904	Torpedoes now have range@speed 2000@28/4000@18
Larger torpedo warheads	1905	N	90	6	917	Torpedoes do more damage
Contra rotating propellers	1907	N	90	8	905	Torpedoes now have range@speed 3000@28/5000@20
Preheater	1908	N	90	6	906	Torpedoes now have range@speed 3500@30/7000@22
Horizontal turbines	1910	N	90	8	907	Torpedoes now have range@speed 3800@30/8000@25
Wet heater engine	1912	N	90	10	908	Torpedoes now have range@speed 4000@33/9000@26
TNT warhead	1913	N	90	10	909	Torpedoes do more damage
Improved gyroscope	1914	N	90	12	910	Torpedoes now have range@speed 4500@37/10000@27
Lenghtened torpedoes	1916	N	90	12	911	Torpedoes now have range@speed 4800@37/10500@27
Enhanced pressure bottle	1918	N	90	12	912	Torpedoes now have range@speed 4900@37/11500@27
Enhanced warhead explosives	1922	N	90	10	913	Torpedoes do more damage
Improved wet heater engine	1922	N	90	12	914	Torpedoes now have range@speed 5000@38/12000@27
Advanced preheater	1926	N	20	12	915	Torpedoes now have range@speed 5000@38/13000@27
Oxygen fuelled torpedoes	1930	N	20	12	916	Enables oxygen fuelled torpedoes
Improved gyroscope	1935	N	80	5	919	Improves torpedo reliability
Magnetic pistols	1937	N	60	10	918	Torpedoes do more damage (if used)
More powerful compressed air ejection	1937	N	60	8	920	Centreline torpedo tubes allowed on ships up to 3500 tons
Advanced centerline torpedo mounts	1939	N	60	8	922	Centreline torpedo tubes allowed on ships up to 7000 tons
Motobomba FFF	1942	N	10	10	921	Air dropped torpedoes will run patterns
Torpex warhead	1942	N	60	8	924	Torpedoes do more damage

Submarines(潜水艦)

Submarines潜水艦

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Pressure hull	1901	Y	100	3	1001	5% increase of submarine reliability
Early coastal submarine	1901	Y	100	4	1002	Enables building of coastal submarines
Periscope	1902	Y	100	5	1003	5% increase of submarine reliability
Diving planes	1903	Y	100	5	1004	5% increase of submarine reliability
Coastal submarine	1906	Y	100	5	1005	Better operating range for coastal submarines
Torpedo aiming system	1907	Y	90	5	1006	5% increase of submarine reliability
Diesel engines	1908	N	90	5	1007	5% increase of submarine reliability
Improved diving gear	1909	N	90	5	1008	5% increase of submarine reliability
Internal torpedo stowage	1911	N	50	5	1009	5% increase of submarine reliability
Medium range submarine	1910	N	100	8	1010	Enables building of medium range submarines
Improved compressed air supply	1912	N	50	10	1011	5% increase of submarine reliability
Minelaying submarine	1914	N	30	8	1012	Enables building of minelaying submarines
Improved diesel engines	1916	N	30	12	1013	5% increase of submarine reliability
Increased battery capacity	1920	N	80	12	1014	5% increase of submarine reliability
Improved pressure hull	1922	N	100	15	1015	5% increase of submarine reliability
Improved electric engines	1926	N	100	15	1016	Increase in submarine effectiveness
Sound location devices for submarines	1930	N	90	15	1017	Increase in submarine effectiveness
Night surfaced torpedo attacks	1933	N	90	10	1027	Increase in submarine effectiveness
Improved welding	1934	N	80	15	1019	5% increase of submarine reliability
Chemical oxygen generator	1936	N	80	15	1021	5% increase of submarine reliability
Snorkel	1937	N	60	15	1020	Increase in submarine effectiveness
Wolf pack tactics	1938	N	90	12	1018	Increase in submarine effectiveness
Anechoic plating	1940	N	90	15	1022	Increase in submarine effectiveness
Teardrop hull	1943	N	80	15	1024	Increase in submarine effectiveness
Electric torpedo-reloading system	1943	N	80	10	1025	Increase in submarine effectiveness
Elektro boat	1943	N	80	10	1026	Increase in submarine effectiveness
High-strength alloyed steel hull	1946	N	80	15	1023	5% increase of submarine reliability

ASW technology(対潜水艦技術)

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Explosive sweeps	1907	Y	100	5	1101	Gradual increase in national ASW capability
Anti submarine nets	1907	Y	100	5	1102	Gradual increase in national ASW capability
ASW mines	1908	Y	70	6	1103	Gradual increase in national ASW capability
Q-Ships	1908	Y	80	6	1104	Enables Q-ships
Hydrostatic pistols	1914	Y	80	6	1105	Gradual increase in national ASW capability
Depth charges	1916	Y	80	12	1106	Enables depth charges on ships
Early hydrophones	1916	Y	100	10	1107	Gradual increase in national ASW capability
Improved depth charges	1917	Y	80	12	1112	Gradual increase in national ASW capability
Convoy system	1917	Y	100	16	1109	Reduction in merchant losses to submarines
Improved depth charge racks	1918	Y	100	10	1108	Gradual increase in national ASW capability
Reliable hydrostatic pistols	1920	Y	100	14	1110	Gradual increase in national ASW capability
K-guns	1924	Y	100	10	1111	Enables K-guns
Improved hydrophones	1926	N	80	14	1113	Gradual increase in national ASW capability
Heavier depth charges	1935	N	80	15	1114	Gradual increase in national ASW capability
Forward firing ASW mortar	1941	N	80	15	1115	Enables forward ASW mortar
Improved ASW tacics	1943	N	80	8	1118	Increases kill chance of enemy submarines
ASW torpedoes	1944	N	80	12	1117	Gradual increase in national ASW capability
Depth charge mortar	1945	N	80	10	1116	Enables trainable depth charge mortars
Improved ASW torpedoes	1950	N	80	15	1119	Gradual increase in national ASW capability

Explosive shells(装薬化学・榴弾)

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Lyddite bursting charges	1901	Y	80	5	1200	Gradual increase in shell damage
Safe fuze arming devices	1902	Y	80	6	1201	Gradual increase in shell damage
Improved explosive filler packing	1905	Y	100	9	1202	Gradual increase in shell damage
TNT bursting charges	1906	Y	80	9	1203	Gradual increase in shell damage
Reliable delay fuzes	1907	Y	70	9	1204	Increase in AP shell damage
Quality steel for shells	1908	Y	70	9	1205	Gradual increase in HE shell damage
Base fuzes	1910	Y	80	9	1206	Enables SAP ammo
Improved fuzes	1912	Y	70	9	1207	Gradual increase in HE shell damage
Enhanced high explosive filler	1914	Y	70	9	1208	Gradual increase in HE shell damage
Improved shell wall castings	1916	Y	70	12	1209	Gradual increase in HE shell damage
Improved fuze reliability	1920	Y	70	12	1212	Reduced dud rate
Enhanced explosive filler	1923	Y	90	12	1210	Gradual increase in shell damage
Automated fuze setting	1934	N	90	12	1217	Increases HAA effectiveness
Streamlined shells	1935	N	90	12	1216	Increases gun range by 5%
TNT filler	1939	Y	90	12	1211	Gradual increase in shell damage
Imrpoved automated fuze setting	1941	N	80	12	1218	Increases HAA effectiveness

Fleet tactics(艦隊戦術)

Fleet tactics艦隊戦術

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Active mine warfare	1902	Y	80	8	1310	Increased use of defensive minefields
Improved signalling	1904	Y	80	8	1300	Makes signalling errors less likely
Destroyer screen	1906	Y	90	12	1301	Enables screen formation for DD
Scouting force	1907	Y	80	10	1307	Enables a separate scouting force with CA and BC
Mine rails on CL and DD	1908	Y	50	15	1305	Enables fitting of mine rails on CL and DD
Fleet cruising formation	1910	Y	90	15	1302	Enables crusing formation in parallel columns for the fleet
Battle turn away	1910	Y	50	15	1303	Enables battle turn away maneuvre
Effective sigint	1912	N	50	15	1309	Better pre battle enemy strength asessment
Smoke Floats	1912	N	50	15	1304	Gives light cruisers the ability to launch smoke floats
Concentration firing	1914	N	50	15	1306	Reduces the penalty for more than one ship firing at the same target
Advanced signalling	1915	Y	50	15	1317	Makes signalling errors less likely
Shell dyes	1920	Y	80	12	1308	Reduces the penalty for more than one ship firing at the same target
Carrier force	1923	N	70	12	1325	Carriers will operate in separate force
Voice radio	1928	Y	80	12	1318	Makes signalling errors less likely
Improved fleet logistics	1930	Y	80	12	1311	Improves fleet logistics and reduces risk of breakdowns
Flexible station keeping	1930	Y	80	15	1315	Enables looser division formations and reduces enemy accuracy
Effective smoke generators	1934	Y	80	15	1323	More efective smoke screens from all ship types
Underway replenishment	1935	Y	80	12	1314	Improves fleet logistics
Effective camouflage schemes	1938	Y	80	15	1321	Reduces enemy sighting range and hit chance
Fleet train	1940	Y	80	10	1313	Improves fleet logistics and invasion capability
IFF system	1941	N	80	8	1324	Increases CAP effectiveness
Three tier air defense perimeter	1941	Y	80	8	1312	Increases CAP And AA effectiveness (with air search radar)
Circular AA screen	1942	N	90	4	1326	Enables circular screens and improves AA effectivness. Allows BB to screen CV.
Integrated CIC	1943	N	80	8	1319	Increases CAP effectiveness
Improved radar vecoring of CAP	1944	N	80	15	1316	Increases CAP effectiveness (with air search radar)
Chaff dispensers	1944	N	70	8	1322	Reduces missile hit chances on ships

Anti Aircraft Artillery(対空火器)

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Heavy AA MG	1918	Y	100	3	1401	Enables light AA weapons
HA rangefinder	1918	Y	100	6	1420	Improves HAA effectiveness
20 mm automatic cannon	1920	Y	100	6	1405	Improves LAA effectiveness
40 mm automatic cannon	1922	Y	60	12	1406	Enables medium AA weapons
HA geared sight	1924	Y	80	8	1421	Improves HAA effectiveness
3 and 4 in twin dual purpose mounting	1926	Y	70	8	1402	Enables 3 and 4 in twin DP mounts
Early AA director	1926	Y	90	10	1414	Enables AA director on ships
Fixed zone AA barrage	1929	Y	80	8	1415	Improves HAA effectiveness
5 in dual purpose mounting	1933	N	60	8	1403	Enables 5 in DP mounts
Improved 20 mm automatic cannon	1934	Y	100	8	1407	Improves LAA effectiveness
6 in dual purpose mounting	1934	N	30	10	1404	Enables 6 in DP mounts
Improved anti aircraft director	1935	N	80	10	1418	Improves HAA and MAA effectiveness
Creeping Zone AA barrage	1935	Y	80	10	1417	Improves HAA effectiveness
Improved 40 mm automatic cannon	1936	Y	70	10	1408	Improves MAA effectiveness
Power mounts for light and medium AA	1939	Y	70	10	1409	Improves LAA and MAA effectiveness
Advanced anti aircraft director	1940	N	80	12	1419	Improves HAA and MAA effectiveness
Quadruple LAA mountings	1941	Y	70	12	1410	Improves LAA effectiveness
Modern quadruple MAA mountings	1942	Y	70	10	1416	Improves MAA effectiveness
Large shrapnel AA shells	1941	Y	30	6	1423	Gives limited AA capability to heavy main guns (if used)
Gyroscopic sights for LAA and MAA	1944	N	60	6	1424	Improves LAA and MAA effectiveness
3 in autoloaded DP gun	1946	Y	70	8	1411	Improves effectiveness of 3 in DP guns
4 in autoloaded DP gun	1950	Y	70	10	1412	Improves effectiveness of 4 in DP guns
5 in autoloaded DP gun	1953	Y	60	12	1413	Improves effectiveness of 5 in DP guns
Improved radar direction of AA guns	1953	N	80	10	1422	Improves HAA and MAA effectiveness

Radar and Electronics(レーダーと電子工学)

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Early surface search radar	1937	N	100	9	1501	Enables surface search radar (Search radar 1)
Improved surface search radar	1939	N	80	8	1502	Improves surface search radar (Search radar 2)
Early air search radar	1939	N	80	8	1503	Enables air search radar
Airborne radar	1939	N	60	12	1504	Enables airborne radar
Radar assisted gunnery	1940	N	80	10	1505	Increases gunnery accuracy with radar (FC radar 1)
Cavity magnetron	1940	N	40	8	1506	Increases radar range (Search radar 3)
Slow fade display	1940	N	60	6	1507	Increases radar detection chance
Improved air search radar	1940	N	80	10	1508	Improves air search radar
VHF Radio in aircraft	1940	N	80	6	1521	Increases CAP effectiveness
Early blind fire capability	1941	N	70	10	1509	Enables blind fire (FC radar 2)
Shipborne HF/DF	1942	N	60	8	1520	Improves intelligence and ASW capability
Improved blind fire capability	1942	N	70	10	1510	Improves blind fire accuracy (FC radar 3)
Proximity fuzes	1943	N	80	14	1515	Increases 5 and 6 in AA effectiveness
S band radar	1944	N	70	10	1511	Improves radar capabilities (Search radar 4, FC radar 4)
Anti missile jamming system	1944	N	70	10	1513	Reduces hit chance of missiles and guided bombs
Monopulse radar	1950	N	70	12	1512	Improves radar range (Search radar 5)
Imrpoved anti missile jamming system	1952	N	70	12	1514	Enables improved anti missile jamming systems

Naval Aviation Lighter than Air(海軍航空隊-飛行船)

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Early airships	1911	Y	70	8	1601	Enables airships
Improved airship tail design	1914	Y	70	6	1602	Improves airship performance
Improved airship engines	1915	N	70	8	1607	Improves airship performance
Airship bomb armament	1915	N	70	8	1603	Enables airship bomb armament
Aircraft carrying airships	1922	N	70	12	1604	Enables aircraft carrying airships
Large scale helium production	1923	N	60	10	1605	Airships are more reliable
Improved airship diesel engines	1926	N	60	10	1606	Improves airship performance

Naval Aviation Heavier than Air(海軍航空隊-航空機)

Naval Aviation, Heavier than Air(海軍航空隊-航空機)

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Seaplane scouts	1915	N	70	5	1700	Enables seaplane bases
Aircraft bombing of ships	1916	N	70	4	1701	Enables air bombing of ships with light bombs
Early air launched torpedoes	1917	N	70	6	1702	Enables air launched torpedoes
Aircraft catapult	1923	N	70	8	1703	Enables aircraft catapults on ships
Later air launched torpedoes	1930	N	70	10	1704	Improves hit chances of air launched torpedoes
Dive bombing	1930	N	70	8	1705	Enables dive bombers
Air/Sea rescue	1935	Y	20	8	1717	Improves pilot survival and thus mitigates experience degradation from air losses
Improved dive bombers	1938	N	70	10	1706	Improves dive bomber performance
Improved air launched torpedoes	1939	N	70	10	1707	Improves hit chances of air launched torpedoes
Aerial depth charges	1941	N	80	10	1712	Increases ASW value of aircraft carriers and air bases
Coordinated airstrike management	1941	N	70	10	1708	Allows coordinated strikes from several carriers
AP bombs	1942	N	90	6	1715	Enables use of AP bombs by aircraft
Skip bombing	1942	N	50	10	1711	Increases effectiveness of level bombers in anti shipping attacks
Leigh light	1942	N	80	8	1713	Increases aircraft ASW effectiveness
Bombentorpedo	1944	N	10	10	1710	Near misses from glide bombing have a chance of being converted to torpedo hits

Shipboard Aircraft Operation(艦載機運用)

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Seaplane carrier	1914	Y	70	6	1801	Enables small seaplane carriers
Improved seaplane carrier	1916	Y	70	7	1802	Enables larger seaplane carriers
Flight deck	1918	Y	70	8	1803	Enables CVL conversions
Purpose built aircraft carrier	1920	Y	70	8	1804	Enables CVL construction
Aircraft carrier conversion	1921	Y	70	8	1805	Enables CV conversions
Transverse arrestor wires	1925	N	70	8	1811	Lowers risk of landing accidents
Large aircraft carrier	1926	Y	100	12	1809	Enables purpose built CV
Better aircraft handling practices	1927	N	70	8	1806	Increases aircraft capacity and ready times of carriers
Improved landing guidance systems	1929	N	70	8	1817	Lowers risk of landing accidents
Deck park	1930	Y	70	10	1814	Increases aircraft capacity of carriers
Improved arrestor wires	1931	N	70	10	1812	Lowers risk of landing accidents
Deck edge lifts	1934	N	70	10	1810	Improves readying times of aircraft
Improved carrier design	1936	Y	80	10	1815	Increases maximum carrier size
Flight deck catapults	1936	Y	50	6	1820	Enables catapults on aircraft carriers
Air intercept control system	1938	Y	80	12	1807	Increases CAP effectiveness
Improved aircraft handling practices	1940	N	70	12	1813	Increases maximum carrier size
Two phase search	1942	N	70	4	1822	Enables two phase search
CIC	1942	N	70	12	1818	Increases CAP effectiveness
Deck launched interceptors	1942	N	70	8	1819	Increases CAP effectiveness
Improved carrier design	1944	Y	80	10	1816	Increases maximum carrier size
Angled flight deck	1950	Y	80	15	1808	Enables angled flight deck

Missile Technology(ミサイル技術)

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
Guided bomb	1943	N	70	12	1900	Increases air attack effectiveness
Early ASM	1943	N	60	10	1907	Enables air attacks with ASM
Early SAM	1945	N	70	12	1905	Enables early SAM mounts
Double SAM launchers	1953	Y	70	6	1909	Allows double SAM launchers
Improved SAM	1954	N	70	12	1906	Increases SAM hit rate
Reliable ASM	1955	N	70	12	1902	Increases ASM hit rate
Improved guidance systems	1957	N	70	12	1904	Increases missile hit rate

Amphibious Operations(水陸両用作戦)

技術名称	開発目安年度	拡散	開発確率	コスト	レベル	効果
X-Lighters	1915	Y	70	6	2008	Improves invasion capability
Elpidifor boats	1916	Y	70	6	2000	Improves invasion capability
Daihatsu barges	1925	Y	70	6	2001	Improves invasion capability
Motor Landing Craft	1930	Y	70	8	2002	Improves invasion capability
Amphibious tractors	1935	Y	70	10	2003	Improves invasion capability
Combat supply loading	1938	N	70	8	2004	Improves invasion capability
Higgins boats	1941	Y	70	6	2005	Improves invasion capability
Assault landing craft	1942	Y	70	10	2006	Improves invasion capability
Specialized landing craft	1943	Y	70	10	2007	Improves invasion capability