海军科技

Naval technology is one of the five major categories of technology. Naval technology includes hardware, innovations or concepts that make your ships better at naval warfare, or perhaps even at more peaceful seafaring tasks.

Naval subcategories

Naval Doctrine

The Naval Doctrine subcategory improves the Naval Base max level and gives small bonuses to naval units.

Technology Name	Activation Year	Default Cost	Effects from technology	Effects from inventions
Post-Nelsonian Thought	1836	3600	Allows Naval Base Colonial power points: +100	-
Battleship Column Doctrine	1836	7200	Naval Base max Level +1	Navies: Organisation +5 Navies: Max Speed +1 KPH
Raider Group Doctrine	1855	10800	Naval Base max Level +1	Navies: Attack +1 Navies: Max Speed +3 KPH Clipper Transport: Attack -1 Steam Transport: Attack -1
Blue and Brown Water Schools	1875	14400	Naval Base max Level +1	Navies: Build Time -20 Days
High Sea Battle Fleet	1895	18000	Naval Base max Level +1	Navies: Attack +1 Clipper Transport: Attack -1 Steam Transport: Attack -1 Cruiser: Hull +5 Battleship: Hull +5 Dreadnought: Hull +5
Modern Naval Doctrine	1914	21600	Naval Base max Level +1	Navies: Attack +2 Clipper Transport: Attack -2 Steam Transport: Attack -2

Ship Construction

The Ship Construction subcategory unlocks all advanced ship types and increases the maximum speed of ships.

Technology Name	Activation Year	Default Cost	Effects from technology	Effects from inventions
Clipper Design	1836	3600	Allows Clipper Shipyard Activate: Clipper Convoys	Clipper Convoys production throughput +10%
Steamers	1836	7200	Allows Steamer Shipyard Activate: Steamer Convoys	Allows construction of Steam Transport Allows construction of Commerce Raider Fish production output +50% Steamer Convoys production throughput +10%
Iron Steamers	1860	10800	Navies: Max Speed +2 KPH	Allows construction of Ironclad Allows construction of Monitor Commerce Raider: Torpedo Attack +2 Commerce Raider: Hull +4
Steel Steamers	1880	14400	Navies: Max Speed +2 KPH	Allows construction of Cruiser Allows construction of Battleship Ironclad: Attack +1 Ironclad: Hull +1 Ironclad: Max Speed +1 KPH
Steam Turbine Ships	1900	18000	Navies: Max Speed +2 KPH	Allows construction of Dreadnought
Oil Driven Ships	1919	21600	Navies: Max Speed +2 KPH	Cruiser: Attack +1 Cruiser: Hull +1 Cruiser: Max Speed +1 KPH Battleship: Attack +1 Battleship: Hull +1 Battleship: Max Speed +1 KPH Dreadnought: Attack +1 Dreadnought: Hull +1 Dreadnought: Max Speed +1 KPH

Naval Engineering

The Naval engineering subcategory decreases the build time of naval units and gives small bonuses to their stats.

Technology Name	Activation Year	Default Cost	Effects from technology	Effects from inventions
Naval Design Bureaus	1836	3600	Navies: Build Time -10 days	-
Fire Control Systems	1836	7200	Navies: Build Time -10 days	Navies: Attack +2 Clipper Transport: Attack -2 Steam Transport: Attack -2
Weapon Platforms	1850	10800	Navies: Build Time -10 days	Navies: Attack +2 Clipper Transport: Attack -2 Steam Transport: Attack -2 Navies: Hull +1
Main Armament	1870	14400	Navies: Build Time -10 days	Navies: Attack +3 Clipper Transport: Attack -3 Steam Transport: Attack -3 Battleship: Attack +2 Battleship: Hull +2 Dreadnought: Attack +2 Dreadnought: Hull +2 Cruiser: Torpedo Attack +8
Advanced Naval Design	1900	18000	Navies: Build Time -10 days	Navies: Organisation +5 Navies: Hull +1 Battleship: Attack +2 Dreadnought: Attack +2 Dreadnought: Hull +2
Modern Naval Design	1919	21600	Navies: Build Time -10 days	Navies: Organisation +5 Cruiser: Attack +2 Cruiser: Torpedo Attack +4 Dreadnought: Attack +4

Naval Science

The Naval Science subcategory increases the supply range of naval units and the organisation of your navy.

Technology Name	Activation Year	Default Cost	Effects from technology	Effects from inventions
Alphabetic Flag Signaling	1836	3600	Supply Range: +10%	-
Naval Plans	1836	7200	Supply Range: +10%	Navies: Organisation +3
Naval Statistics	1850	10800	Supply Range: +10%	Navies: Organisation +3
Naval Logistics	1870	14400	Supply Range: +10%	Navies: Organisation +3
Naval Directionism	1900	18000	Supply Range: +10%	Navies: Organisation +3
Naval Integration	1919	21600	Supply Range: +10%	Navies: Organisation +2

Naval Leadership

The Naval Leadership subcategory increases the organisation of your navy.

Technology Name	Activation Year	Default Cost	Effects from technology	Effects from inventions
The Command Principle	1836	3600	Navies: Organisation +10	-
Naval Professionalism	1836	7200	Navies: Organisation +5	Navies: Organisation +3
Naval Decision Making	1850	10800	Navies: Organisation +5	Navies: Organisation +3
Naval Risk Management	1870	14400	Navies: Organisation +5	Navies: Organisation +3
Naval NCO Training	1900	18000	Navies: Organisation +5	Navies: Organisation +3
Modern Naval Training	1919	21600	Navies: Organisation +5	Navies: Organisation +1 Navy Attrition -10%