Spaceships - Revision history

76561198025456609: /* Armor Penetration */

2026-05-07T19:37:58Z

Armor Penetration

← Older revision		Revision as of 19:37, 7 May 2026
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	<pre>Armor = (Laser Damage × 1.2 / (0.7853982 / 0.005 (m²) × (Distance to Target (m) × ((1.22 × Wavelength (m) × Beam Quality)² + (2 * Jitter * Mirror Diameter (m) )²) ^ 0.5 / Mirror Diameter (m) )² ) ) ^ (1/1.5)</pre>		<pre>Armor = (Laser Damage × 1.2 / (0.7853982 / 0.005 (m²) × (Distance to Target (m) × ((1.22 × Wavelength (m) × Beam Quality)² + (2 * Jitter * Mirror Diameter (m) )²) ^ 0.5 / Mirror Diameter (m) )² ) ) ^ (1/1.5)</pre>

	[[File:~~armor_vs_laser~~.png\|frameless\|alt=Math rendered in a possibly more readable style\|Armor vs Laser math]]		[[File:Armor vs laser.png\|frameless\|alt=Math rendered in a possibly more readable style\|Armor vs Laser math]]

	===== Range =====		===== Range =====

76561198025456609: /* Armor Penetration */

2026-05-07T19:35:37Z

Armor Penetration

← Older revision		Revision as of 19:35, 7 May 2026
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	Since armor works by subtracting its value from incoming damage, and RNG can randomize incoming damage by up to ±20%, we can re-arrange the formula to get the amount of armor needed to fully block a laser:		Since armor works by subtracting its value from incoming damage, and RNG can randomize incoming damage by up to ±20%, we can re-arrange the formula to get the amount of armor needed to fully block a laser:
	<pre>Armor = (Laser Damage × 1.2 / (0.7853982 / 0.005 (m²) × (Distance to Target (m) × ((1.22 × Wavelength (m) × Beam Quality)² + (2 * Jitter * Mirror Diameter (m) )²) ^ 0.5 / Mirror Diameter (m) )² ) ) ^ (1/1.5)</pre>		<pre>Armor = (Laser Damage × 1.2 / (0.7853982 / 0.005 (m²) × (Distance to Target (m) × ((1.22 × Wavelength (m) × Beam Quality)² + (2 * Jitter * Mirror Diameter (m) )²) ^ 0.5 / Mirror Diameter (m) )² ) ) ^ (1/1.5)</pre>

			[[File:armor_vs_laser.png\|frameless\|alt=Math rendered in a possibly more readable style\|Armor vs Laser math]]

	===== Range =====		===== Range =====

76561198025456609: /* Interrupting repairs */

2026-04-12T21:28:00Z

Interrupting repairs

← Older revision		Revision as of 21:28, 12 April 2026
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	* If you are repairing a single ship and interrupt/cancel the repair before it's finished, all progress is lost.		* If you are repairing a single ship and interrupt/cancel the repair before it's finished, all progress is lost.
	* If you are repairing a fleet with several ships and interrupt it, if there has been enough progress it may complete one or more ships that can be fully repaired, and lose the remainder.		* If you are repairing a fleet with several ships and interrupt it, if there has been enough progress it may complete one or more ships that can be fully repaired, and lose the remainder.
			* If additional space docks finish building at the station while repairs are ongoing, the game does not recalculate the repair completion date. So in some cases it can be preferable to cancel an incomplete repair and restart it using new facilities.

	== Refits ==		== Refits ==

76561198025456609: /* Repairs */

2026-04-12T21:20:12Z

Repairs

← Older revision		Revision as of 21:20, 12 April 2026
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	* Side armor is split into Left and Right armor, but each has to pay repairs as if it is the whole side armor. Which means repairing side armor is effectively twice as expensive as repairing nose or tail armor.		* Side armor is split into Left and Right armor, but each has to pay repairs as if it is the whole side armor. Which means repairing side armor is effectively twice as expensive as repairing nose or tail armor.
	* Certain utility modules may have 4 times the repair costs (so they cost as much to repair as to build).		* Certain utility modules may have 4 times the repair costs (so they cost as much to repair as to build).

			=== Interrupting repairs ===

			* If you are repairing a single ship and interrupt/cancel the repair before it's finished, all progress is lost.
			* If you are repairing a fleet with several ships and interrupt it, if there has been enough progress it may complete one or more ships that can be fully repaired, and lose the remainder.

	== Refits ==		== Refits ==

76561198025456609: /* Radiation effects */

2026-03-22T23:07:06Z

Radiation effects

← Older revision		Revision as of 23:07, 22 March 2026
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	Damaged ship parts and systems either stop working or work at reduced effectiveness, but can be [[Fleets#Mid-Combat_Repairs\|repaired over time]]. For example, damaged weapons cannot fire until fully repaired. Lasers have especially low health, making them good targets for particle beams. Once a weapon is entirely destroyed it can only be repaired in a shipyard.		Damaged ship parts and systems either stop working or work at reduced effectiveness, but can be [[Fleets#Mid-Combat_Repairs\|repaired over time]]. For example, damaged weapons cannot fire until fully repaired. Lasers have especially low health, making them good targets for particle beams. Once a weapon is entirely destroyed it can only be repaired in a shipyard.

			===== Radiation effects =====

			Radiation damage is processed differently from other internal ship damage: notably, it cannot damage "hard" systems or modules. This includes ship structure, heat sinks, spikers, hydrogen tankage, magazines, cyclotrons, and other utility modules that have the 'RadHardened' property. The heat-damage part of particle weapon effects can still damage these items, but not the x-ray or baryonic parts. (And since the Spinal Neutron Lance causes 0 heat damage, it cannot destroy a ship under any circumstances.)

	===== Critical hits =====		===== Critical hits =====

76561198025456609: /* Critical hits */

2026-03-22T22:57:05Z

Critical hits

← Older revision		Revision as of 22:57, 22 March 2026
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	===== Critical hits =====		===== Critical hits =====

	On a critical hit (TAC), particle beams ~~do their full shot power~~ as ~~direct damage, no dividing into thermal,~~ x-ray ~~and baryon parts~~, and ~~no extra~~ damage ~~multipliers (except antimatter still gets its 130% bonus to thermal)~~.		On a critical hit (TAC), particle beams bypass all amor effects but are otherwise processed as usual. Baryon and x-ray components are applied as radiation damage with their usual multipliers, and the heat component is applied as standard internal damage.

	==== Plasma Weapons ====		==== Plasma Weapons ====

76561198025456609: /* Ship Performance */ fix over-optimistic explanation of realistic combat prop penalties

2026-02-28T21:33:10Z

Ship Performance: fix over-optimistic explanation of realistic combat prop penalties

← Older revision		Revision as of 21:33, 28 February 2026
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	** Ships with more than 60 kps will be able to perform more extreme transfers such as direct transits from Mercury to Saturn.		** Ships with more than 60 kps will be able to perform more extreme transfers such as direct transits from Mercury to Saturn.
	* '''Combat Acceleration:''' The acceleration used on the tactical combat screen, and for lifting off the surface of planetary bodies. Most drives are capable of at least some amount of higher acceleration for short periods, typically for combat situations, calculated as <code>cruise_accel * combat_thrust_multiplier</code>.		* '''Combat Acceleration:''' The acceleration used on the tactical combat screen, and for lifting off the surface of planetary bodies. Most drives are capable of at least some amount of higher acceleration for short periods, typically for combat situations, calculated as <code>cruise_accel * combat_thrust_multiplier</code>.
	** In Realistic combat (the Cinematic Combat Movement option is turned off), this extra thrust is recognized to be inefficient and requires the ship to spend more propellant~~. Fuel use is multiplied~~ by ~~<code>thrust_multiplier ^1.5</code>, or i.e., available ∆V is divided by <code>sqrt(thrust_multiplier~~)~~</code>~~.		** In Realistic combat (the Cinematic Combat Movement option is turned off), this extra thrust is recognized to be inefficient and requires the ship to spend more propellant (by a formula too complicated to usefully summarize).
	** Fission pulse drives, such as the Orion, are exempted from this penalty, even on Realistic.		** Fission pulse drives, such as the Orion, are exempted from this penalty, even on Realistic.
	** Humans are limited to a max of 3.0 g at the start. This cap can be raised to 5.0 g with projects.		** Humans are limited to a max of 3.0 g at the start. This cap can be raised to 5.0 g with projects.

76561198025456609: /* Ship Performance */ {{TV|boost}} and money

2026-02-28T18:27:54Z

Ship Performance: {{TV|boost}} and money

← Older revision		Revision as of 18:27, 28 February 2026
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	== Ship Performance ==		== Ship Performance ==
	Ships have the following characteristics that need to be tracked:		Ships have the following characteristics that need to be tracked:
	* '''Construction Cost:''' Resources required to build the ship. {{~~icon~~\|boost~~\|bgcolor=transparent~~}}~~Boost~~ and {{~~icon~~\|money~~\|bgcolor=transparent~~}}~~Money~~ can be substituted for any resource that is lacking. This may increase build time as materials are delivered from Earth.		* '''Construction Cost:''' Resources required to build the ship. {{TV\|boost}} and {{TV\|money}} can be substituted for any resource that is lacking. This may increase build time as materials are delivered from Earth.
	* '''Construction Time:''' How long it will take to build the ship once all required materials are at the shipyard. Larger shipyards reduce build time.		* '''Construction Time:''' How long it will take to build the ship once all required materials are at the shipyard. Larger shipyards reduce build time.
	* '''Crew:''' How many personnel will serve aboard the ship. Each crew needs life support and various supplies, which increases the mass of ship by 4 tons.		* '''Crew:''' How many personnel will serve aboard the ship. Each crew needs life support and various supplies, which increases the mass of ship by 4 tons.
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	** Ships with more than 60 kps will be able to perform more extreme transfers such as direct transits from Mercury to Saturn.		** Ships with more than 60 kps will be able to perform more extreme transfers such as direct transits from Mercury to Saturn.
	* '''Combat Acceleration:''' The acceleration used on the tactical combat screen, and for lifting off the surface of planetary bodies. Most drives are capable of at least some amount of higher acceleration for short periods, typically for combat situations, calculated as <code>cruise_accel * combat_thrust_multiplier</code>.		* '''Combat Acceleration:''' The acceleration used on the tactical combat screen, and for lifting off the surface of planetary bodies. Most drives are capable of at least some amount of higher acceleration for short periods, typically for combat situations, calculated as <code>cruise_accel * combat_thrust_multiplier</code>.
	** In Realistic combat (the Cinematic Combat Movement option is turned off), this extra thrust is recognized to be inefficient and requires the ship to spend more propellant. Fuel use is multiplied by <code>thrust_multiplier ^1.5</code>, or i.e. available ∆V is divided by <code>sqrt(thrust_multiplier)</code>.		** In Realistic combat (the Cinematic Combat Movement option is turned off), this extra thrust is recognized to be inefficient and requires the ship to spend more propellant. Fuel use is multiplied by <code>thrust_multiplier ^1.5</code>, or i.e., available ∆V is divided by <code>sqrt(thrust_multiplier)</code>.
	** Fission pulse drives, such as the Orion, are exempted from this penalty, even on Realistic.		** Fission pulse drives, such as the Orion, are exempted from this penalty, even on Realistic.
	** Humans are limited to a max of 3.0 g at the start. This cap can be raised to 5.0 g with projects.		** Humans are limited to a max of 3.0 g at the start. This cap can be raised to 5.0 g with projects.

76561198025456609: /* Ship Performance */ clarifications about combat accel, ∆v, and batteries for 1.0

2026-02-28T18:24:45Z

Ship Performance: clarifications about combat accel, ∆v, and batteries for 1.0

← Older revision		Revision as of 18:24, 28 February 2026
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	== Ship Performance ==		== Ship Performance ==
	Ships have the following characteristics that need to be tracked:		Ships have the following characteristics that need to be tracked:
	* '''Battery Capacity:''' The ship's batteries store power from its power plant for use by most weapon systems when the power plant is unavailable. More advanced batteries are able to recharge during combat.
	* '''Construction Cost:''' Resources required to build the ship. {{icon\|boost\|bgcolor=transparent}}Boost and {{icon\|money\|bgcolor=transparent}}Money can be substituted for any resource that is lacking. This may increase build time as materials are delivered from Earth.		* '''Construction Cost:''' Resources required to build the ship. {{icon\|boost\|bgcolor=transparent}}Boost and {{icon\|money\|bgcolor=transparent}}Money can be substituted for any resource that is lacking. This may increase build time as materials are delivered from Earth.
	* '''Construction Time:''' How long it will take to build the ship once all required materials are at the shipyard. Larger shipyards reduce build time.		* '''Construction Time:''' How long it will take to build the ship once all required materials are at the shipyard. Larger shipyards reduce build time.
	* '''Combat Acceleration:''' How quickly the ship can change its velocity in the combat layer. Some drives are capable of short periods of higher acceleration in combat situations. This value is same as Cruise Acceleration * Combat thrust multiplier. If the Cinematic Combat Movement option is turned off, a ship spends more delta-V to accelerate faster than Cruise Acceleration. Base cap is 3.0g, and the cap can be raised to 5.0g with projects.
	* '''Crew:''' How many personnel will serve aboard the ship. Each crew needs life support and various supplies, which increases the mass of ship by 4 tons.		* '''Crew:''' How many personnel will serve aboard the ship. Each crew needs life support and various supplies, which increases the mass of ship by 4 tons.
	* {{icon\|acceleration}}'''Cruise Acceleration:''' ~~How quickly the ship can change its velocity~~ in the strategy layer. Higher cruise accelerations allow ships to ~~overcome a space body's gravity and~~ take more direct trajectories to ~~its destination~~. ~~Base cap is~~ 2.~~0g, and~~ the cap can be raised to 3.0g with projects.		* {{icon\|acceleration}}'''Cruise Acceleration:''' The acceleration used in the strategy layer, including for intercepting fleets on transfer trajectories. Higher cruise accelerations allow ships to take more direct trajectories to their destinations and be less affected by gravity wells.
	* {{icon\|dv\|bgcolor=DarkSlateGray}}'''Cruise Delta-V''' ~~Determines~~ where the ship can go and how fast it can get there. More propellant increases ~~Delta-V~~. More mass on the ship decreases it.		** Ships with less than ~2 mg cruise acceleration will be forced to take particularly slow spiralling trajectories out of Earth's gravity well.
	** Ships with 4 kps ~~Delta-V~~ can intercept and return to a friendly station in the same ~~orbit~~.		** Humans are limited to a max of 2.0 g at the start. This cap can be raised to 3.0 g with projects.
	** Ships ~~with less than~~ 8 kps ~~Delta-V may have trouble reaching~~ the Moon from an Earth orbit.		* {{icon\|dv\|bgcolor=DarkSlateGray}}'''Cruise Delta-V''' The most important number for determining where the ship can go and how fast it can get there. More propellant increases ∆V. More mass on the ship decreases it. (Note that propellant has mass, so there are rapidly diminishing returns to just adding more prop. This is known as the tyranny of the rocket equation.)
	** Ships ~~with less than~~ 30 kps ~~Delta-V will not~~ be able to reliably perform interplanetary transfers ~~from Earth~~.		** Ships with ~4 kps ∆V can intercept and return to a friendly station in similar close orbits around the same planet (but note that the ISS and Tiangong orbits are considerably more difficult to reach than most, because of the plane change required).
	** Ships with ~~roughly~~ 60 kps will be able to perform more extreme transfers such as ~~transferring~~ from Mercury to Saturn.		** Ships need ~8 kps ∆V to efficiently reach the Moon from a low Earth orbit.
			** Ships need ~30 kps ∆V to be able to reliably perform interplanetary transfers in the inner Solar System.
			** Ships with more than 60 kps will be able to perform more extreme transfers such as direct transits from Mercury to Saturn.
			* '''Combat Acceleration:''' The acceleration used on the tactical combat screen, and for lifting off the surface of planetary bodies. Most drives are capable of at least some amount of higher acceleration for short periods, typically for combat situations, calculated as <code>cruise_accel * combat_thrust_multiplier</code>.
			** In Realistic combat (the Cinematic Combat Movement option is turned off), this extra thrust is recognized to be inefficient and requires the ship to spend more propellant. Fuel use is multiplied by <code>thrust_multiplier ^1.5</code>, or i.e. available ∆V is divided by <code>sqrt(thrust_multiplier)</code>.
			** Fission pulse drives, such as the Orion, are exempted from this penalty, even on Realistic.
			** Humans are limited to a max of 3.0 g at the start. This cap can be raised to 5.0 g with projects.
	* '''Heat Sink Capacity:''' Heat sinks serve as a temporary substitute for a ship's heat management while its vulnerable radiators are retracted in combat. Higher values allow the ship to fight longer without extending its radiators.		* '''Heat Sink Capacity:''' Heat sinks serve as a temporary substitute for a ship's heat management while its vulnerable radiators are retracted in combat. Higher values allow the ship to fight longer without extending its radiators.
	* {{icon\|combat value\|bgcolor=DarkSlateGray}}'''Space Combat Value:''' ~~Each~~ ship ~~have~~ Space Combat Value calculated from its weapons and other ~~equipment~~. This value ~~is irrelevant for most of~~ the ~~game~~ but ~~used~~ for the victory condition of several factions.		* '''Battery Capacity:''' The ship's batteries store power from its power plant for use by most weapon systems when the power plant is unavailable. More advanced batteries are able to recharge during combat. (Since v1.0, every ship gets power capacity sufficient for most purposes installed by default, so additional batteries are typically unnecessary.)
			* {{icon\|combat value\|bgcolor=DarkSlateGray}}'''Space Combat Value:''' Every ship has a Space Combat Value calculated from its weapons, drives, available ∆V, and other factors. This value mostly only represents how the non-player factions evaluate the ship, but does also eventually become relevant for the victory condition of several factions.
	* '''Support:''' The {{TV\|mc}} and {{TV\|money}} upkeep of supporting the ship. If support costs go unpaid the ship will be more vulnerable to other faction's attempts to seize the ship and rebellion and malfunction events may occur.		* '''Support:''' The {{TV\|mc}} and {{TV\|money}} upkeep of supporting the ship. If support costs go unpaid the ship will be more vulnerable to other faction's attempts to seize the ship and rebellion and malfunction events may occur.
	* '''Turn Rate:''' How quickly the ship can ~~change its orientation~~ in combat. This value is dependent on the length and mass of the ship; shorter ships will turn faster ~~all things being equal~~.		* '''Turn Rate:''' How quickly the ship can rotate in combat. This value is dependent on the length and mass of the ship; shorter and lighter ships will generally turn faster.
	* '''Wet Mass:''' Wet Mass is the total mass of the ship when fully loaded with ~~fuel~~. Mass influences the ship's maneuverability. Higher mass decreases acceleration, Delta-V, and turn rate. Hovering over it shows a breakdown with the origin of all Wet Mass.		* '''Wet Mass:''' Wet Mass is the total mass of the ship when fully loaded with propellant. Mass influences the ship's maneuverability. Higher mass decreases acceleration, Delta-V, and turn rate. Hovering over it shows a breakdown with the origin of all Wet Mass. ('''Dry mass''' is the ship's mass with empty prop tanks.)

	== Hull ==		== Hull ==

76561199014279152: /* Missiles */

2026-02-23T23:42:57Z

Missiles

← Older revision		Revision as of 23:42, 23 February 2026
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	! Warhead Class !! Total Damage !! Chip % !! Can Bombard !! Is AoE !! Kinetic Damage?<ref>Adamantane Armor has 25% resistance to Kinetic Damage. Kinetic Damage can also over penetrate, meaning the damage goes out the other end of the ship before it is fully applied.</ref> !! Other Notable Effects		! Warhead Class !! Total Damage !! Chip % !! Can Bombard !! Is AoE !! Kinetic Damage?<ref>Adamantane Armor has 25% resistance to Kinetic Damage. Kinetic Damage can also over penetrate, meaning the damage goes out the other end of the ship before it is fully applied.</ref> !! Other Notable Effects
	\|-		\|-
	\| Fragmentation \|\| rowspan=2\| ½ × Warhead Mass (kg) × (Impact Velocity (km/s))² / 20MJ \|\| 50% \|\| rowspan=3 \| No \|\| rowspan=3\| No \|\| rowspan=2\| Yes \|\| On contact, splits into 5kg warheads that independently ~~roll for through-~~armor~~-criticals~~. (But still acts as one attack in all other aspects.)		\| Fragmentation \|\| rowspan=2\| ½ × Warhead Mass (kg) × (Impact Velocity (km/s))² / 20MJ \|\| 50% \|\| rowspan=3 \| No \|\| rowspan=3\| No \|\| rowspan=2\| Yes \|\| On contact, splits into 5kg warheads that independently interact with armor. (But still acts as one attack in all other aspects.)
	\|-		\|-
	\| Penetrator \|\| 60% \|\| None		\| Penetrator \|\| 60% \|\| None