Thousand Suns Starships -- Chapter 3 Cheat Sheet

8/9/2019 Thousand Suns Starships -- Chapter 3 Cheat Sheet

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CHAPTER THREE:COMBAT CHEAT SHEET

TRACTOR BEAM GRAPPLING MODIFIERS

RANGE ODIFIERS

Span TN Penalty

1 0

2 -2

3 -4

SPEED MODIFIER

The absolute difference between the Move values of the two ships issubtracted from the TN for the Test. For example, one ship has a Movevalue of three and the other has a Move value of five; a Pilot making aGrapple Test would be subject to a TN-2 penalty. Conversely, a pilotseeking to evade the grapple would get a TN+2 bonus.

SHIP SIZE MODIFIER

A ship going for a grapple on a smaller vessel gets a TN+2 if that ship isone level smaller or a TN+4 if it is two levels smaller. Attempts to grapplea ship one level larger earn a TN-2 penalty. The categories of ship size are:

Ultralight

Light

Medium

Heavy

Very Heavy

Capital

Each degree of success from the Grapple Test may be used to reduce theMove value of the ship that has been grappled. The number of successes itcosts to nullify one Move is:

One at a distance of 1 Span

Two at a distance of 2 Spans

Three at a distance of 3 Spans

Any fractional successes remaining are lost.


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SENSOR RANGES AT FIGHTING RANGE

Sensor/Application Range in Spans

Passive EM/detect 12

Passive EM/identify 4

Radar/detect 4

Radar/identify 3

Ladar/detect 5

Ladar/identify 4

Mass detector 4

Mass detector/ID drive signature 6

Quantum Trap 12

Range Modifiers:

Short 0

Medium -2

Long -4

Other Modifiers:

Ladar

Attempts to use ladar for detection, a blind spenalty -2 earch, suffer a TN-4

Long -4


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Mass Detector

Target is within one Span of a terrestrial world: TN-2

Target is within three Spans of a gas giant: TN-2

Target is within one Span of a gas giant: TN-4

*Target is operating a gravity drive with a Move Ratingof between 3 and 6:

TN+1

Target is operating a gravity drive with a Move Ratingof between 7 and 8:

TN+2

Target is a very heavy or capital category ship: TN+2

Target is operating a gravity mask and is at mediumrange:

TN-2

Target is operating a gravity mask and is at long range: TN-4

* Operating a gravity mask at the same time as a gravity drive at these Move

penalty.

atings nullifies this

Quantum Trap

All Tests within Fighting Range are made at TN-4; range

apply.

odifiers do not

1. Each doubling of range constitutes a range category;long.

short, medium or

2. All sensors except quantum traps are blocked by terrgas giants positioned between the sensor and the tar

estrial worlds andet ship


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EW ANDCOUNTERMEASURES

Sensor EW System

Radar EM Jammer or Smart Jammer

Ladar EM Smart Jammer

Mass Detector Gravity Mask

Sensor Countermeasures

Ladar Smoke

Radar Smoke/DecoysPassive EM Smoke/Decoys

Quantum Trap Decoy

EW System Ranges:

EW System Range in Spans

EM jammer 5

EM smart jammer 4

Gravity Mask N/A (See below)

Range Modifiers:

Short 0

Medium -2

Long -4

Notes:

1. Each doubling of range constitutelong.

a range category; short, medium or

2. A gravity mask only works in prohas no range value.

imity to the ship it is on and therefore


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OPPOSEDCOMMUNICATIONS JAMMING TEST RESULTS

Comms Jammer Results

Fail Fail No communications possible this Round.

Pass Fail Ship can communicate this Round.

Pass Pass Winner is the one with the most degrees of success; tie goes to the defender

Fail Pass No communications possible this Round.

There is no reliab

cannot send or re

le means to jam l

ceive messages v

laser communications by opposing ships. A ship that has deployed Smoke

ia laser.


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HITTING ATARGET

In order to hit a target, a gunner performs a Gunnery Test as follows:

1. The gunners Gunnery Target Number, modified by theweapon range modifier plus,

2. The firing ships Offensive Modifier plus,

3. Any degrees of success from the earlier Tactics and sensorTests allocated by the CO plus

4. Any successes from the attacking pilots Piloting Test (seebelow) plus

5. Any additional modifiers imposed by the GM minus

6. The defending ships Defensive Modifier minus

7. Any successes from the defending pilots Piloting Test.

Or in other words:

TN weapon range modifiers + ships OM + Tactics/sensor degrees ofsuccess + Piloting Test successes +/- any other modifiers the DM of thedefending ship and the defending pilots Piloting Test successes.

Final Target Numbers for the Test, after all modifiers are applied, which

are higher than 23 are treated as a 23. A roll of 24 remains a CriticalFailure. In the unlikely event that a TN is reduced to 2, a result of 2 is stilltreated as a Critical Success. A TN of 1 or less means the ship cannot behit.

WEAPONRANGEMODIFIERS

Range Modifier

Short +0Medium -1

Long -2


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CALLED SHOTS

Sometimes it is more desirable to hit a specific part of a ship instead ofsimply trying to destroy it outright, for example knocking out its enginesas a prelude to boarding. To do so requires a called shot and incurs a

penalty to the Gunnery Test based on the range to the target; the penalty isTN-4 at short range and TN-6 at medium range. They are not possible atlong range. A success indicates that the desired target has been taken outof action; a normal failure is a clean miss. A critical success results in anunexpected benefit, such as the boarding party being able to repair thedamage incurred in half the time normally required. The critical failure ofa called shot Test will inflict 1d12 times the base Damage Value of theweapon being used on a randomly determined part of the ship.

Energy lances and spinal mounts are not capable of making called shots.

The GM has a lot of latitude in establishing what can be a valid target fora called shot. A D-Drive buried deep within the structure of a ship wouldprobably be off limits, but elements of the gravity drive would beacceptable. Also, a single called shot to the gravity drive of a dreadnoughtmight not take it out all together just because of its sheer bulk.

The number of successes from a called shot should be recorded fordamage repair purposes. The more successes that are earned, the more

complex the repair effort is. One success might be repairable during thecurrent Round, three means the system can only be fixed once combat isover and five successes requires that the ship needs to put into port forextensive work.


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STARSHIPWEAPONS

Type Damage Value Range ROF

Fusion Beam 4 (60) 3 S

Gauss Gun 3 (50) 4 S

Gravity Ram 7 (80) 1 S

Laser 2 (40) 3 S

Laser, Heavy 4 (40) 4 S

Maser Cannon 5 (75) 6 S

Maser Cannon, Heavy 8 (100) 8 S

Mass Cannon 3 (50) 5 S

Mass Cannon, Heavy 5 (75) 6 S

Missile, Submunition 2 (40) N/A S

Missile, Nuclear 5 (60) N/A S

Missile, Plasma 6 (90) N/A S

Needle Driver 2 (45) 4 A

Particle Beam 4 (60) 4 S

Particle Beam, Heavy 6 (75) 5 S

Particle Lance 18 (300) 6 S

Particle Lance, Heavy 20 (325) 5 S

Particle Spinal Mount 100 (1100) 6 S

Particle Spinal Mount, Heavy 200 (2100) 5 S

Plasma Cannon 5 (60) 3 S

Plasma Cannon, Heavy 6 (75) 4 S

Plasma Lance 12 (245) 6 S

Plasma Lance, Heavy 15 (275) 5 S

Rail Cannon 3 (50) 3 S

Damage Value = the number in parentheses is the wea

Range = each doubling of the stated range defines the

ROF = S indicates single shot capability, while A r

ons maximum damage.

ange category (short, me

presents automatic fire c

dium, etc.)

apability.


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MASSED FIREHIT PROBABILITIES

Target Number Probability Multiplier

2 No Hits

3 0.02

4 0.04

5 0.07

6 0.10

7 0.14

8 0.19

9 0.25

10 0.31

11 0.38

12 0.46

13 0.54

14 0.62

15 0.69

16 0.75

17 0.80

18 0.85

19 0.89

20 0.93

21+ 0.96


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DETAILED HIT TABLE

Detailed Hit Results

Table:Detailed Hit Results

1d12 Effects

1 Roll on Special Hit Table

2-7 Normal hull hit

8-9 Weapon mount hit

10 Sensor hit

11 Communications hit

12 EW/Countermeasure hit

SPECIALHIT TABLE

Special Hit Results

Table:Deta led Hit Results

1d12 Effects

1-2 Power plant hit

3-4 Gravity drive hit

5-6 Artificial gravity hit

7-8 Cockpit/bridge hit

9 Quarters hit

10 Hangar hit

11-12 D-Drive hit

Hit Results

Normal hull: Damage is deducted from the Hull Rating as normal.

Weapon mount: A single weapon mount is disabled.

Sensor: A single sensor array is disabled.

Communications: A single communications array is disabled.

EW/Countermeasures: A single EW array is disabled or a single use ofa countermeasure is destroyed.

Power Plant: The power plant is knocked out for one Round.


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Gravity drive: The gravity drive is offline for one Round; the shipcontinues to move in a straight line at its current Move value.

Artificial gravity: Partial failure of he ships internal gravity/inertialcompensation causes the crew to suffer a penalty of TN-2 to all Tests

for one Round.Cockpit/bridge: All Piloting and Tactics Tests incur a TN-2 penalty forone Round.

Quarters: Quarters or facilities of the GMs choice are disabled andunusable.

Hangar: Craft carried externally have their Hull Rating reduced by theamount of damage inflicted. Craft in recessed hangars take damage inproportion to the amount of hull that is exposed. Any remaining

damage in either case is a normal hull hit for the carrying ship.Damage done to open hangars is applied to either carried craft or thehangar facility itself, reducing its total capacity.

D-Drive: The Dillingham Drive is disabled.

A hit on anything other than the hull results in a ships systembeing disabled. If the ship is not equipped with the system rolled or all ofthe available components of that system have been disabled, apply the nextlowest result on the table or consider the system destroyed, whicheverseems more appropriate. Where multiple types of the same system exist,such as with sensors, pick one of the systems at random. Systems that aredisabled can be returned to service as per the rules below for damagerepair.


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Critical Hits

A Dramatic Success on a Gunnery Test inflicts maximum damagefor the weapon type used on the target. If there is any damage remainingafter deductions are made for energy shields and armor, the GM has the

option of consulting the critical hit table and applying the results foundthere. Otherwise simply apply all remaining damage to the Hull Rating.

Optional Critical Hit Results

Table: Optional Critical Hit Results

2d12 Effect(s)

2-7 Normal critical hit

8-9 Normal critical hit, crew casualties

10 Severe critical hit, gravity/life support

11 Severe critical hit, crew casualties

12 Damaged system: comm system

13 Damaged system: sensors

14 Damaged system: quarters/hangar

15 Damaged system: defenses

16 Damaged system: EW/countermeasures

17 Damaged system: computers

18 Damaged system: cockpit/bridge

19 Damaged system: life support

20 Damaged system: D-Drive

21 Damaged system: gravity drive

22 Damaged system: power plant

23 Damaged system: weapon

24 Destroyed weapon

Note: Any re

repaired.

ult listed as damaged means that component has stopped working until it is


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Normal Critical Hit Results:

Normal Critical Hit: The weapon does maximum damage to the HullRating.

Crew Casualties: Crewmembers and passengers are severely injured or

killed. Roll 1d12 to determine the percentage of the crew effected. Ifthe ship carries passengers, also roll 1d12 to determine the percentageof passenger casualties. This result affects only NPCs, unless the GMstates otherwise.

A starship with less than one-half of its normal crew complementtakes a 2 penalty to the TN of all attacks.

A starship with less than one-quarter of its normal crew complementtakes a 4 penalty the TN of all attacks.

A starship with no crew continues to fly in its current direction at itscurrent Move value. If this result is rolled again and the ship has noliving crew or passengers, ignore this result and reroll.

Severe Critical Hit Results:

Crew Casualties: As per the crew casualties result above except that aroll of 2d12 is used instead of 1d12. In addition, the crew is so shakenby this damage that the entire vessel is unable to act during the next

Round.Gravity/Life Support: The starships artificial gravity and accelerationcompensation is disabled for 1d12 Rounds. During this time, the shipcannot turn or alter speed and anyone without Ranks in the skillAcrobatics suffers a 4 penalty on all Tests while coping with the zerogravity conditions. Those possessing the skill are unaffected. If thisresult is rolled a second time and gravity has not been restored, the lifesupport system also fails for 1d12 Rounds. Anyone without access tosome form of breathing gear must pass a Body Test to remainconscious and be able to act during the current Round; failure at theTest results in suffocation.

Damaged System Results:

Comm System: One communications system of the attackers choice isdamaged. If this result is rolled again and the ship has no undamagedcomm systems, ignore it and go to the Sensors result below.

Sensors: One type of sensor system, for example the EM sensor suite

or radar, of the attackers choice is damaged. If this result is rolledagain and there are no undamaged sensors, ignore it and go toquarters/hangar below.

Quarters/hangar: A number of Tons of quarters, facilities and cargo orhangar space equal to the number of hits inflicted is damaged. The


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attacker gets to choose what exactly is affected. Hangar relateddamage is treated in the same manner as for the Special Hit Tableabove.

Defenses: The armor value of the ships energy shield is reduced by

2d12 percent, rounded down. If there are no shields remaining, theships hull armor is reduced by 2d12 percent. If the hull armor valuefalls below zero, apply damage to the Hull Rating. The attacker hasthe option of declaring one point defense weapon destroyed instead.

Electronic Warfare/Countermeasures: One type of EW system orcountermeasure of the attackers choice is damaged and unusable untilrepaired. If this result is rolled again and there are no undamagedsystems, ignore it and go to the computers result below.

Computers: The ship suffers a failure of its central information system;all subsequent Tests aboard ship are made at TN-2. Further receipt ofthis result reduces the Target Number by two again. The attacker hasthe option of declaring any one tactical computer to be damagedinstead.

Cockpit/bridge: The ship can take no action in the following Roundand suffers a TN-4 penalty to all Piloting and Tactics Tests until thedamage is repaired. If this result is rolled a second time, the cockpit orbridge is destroyed and the vessel is rendered uncontrollable withouthope of repair. Ships that have a fully operational auxiliary bridge canignore the effects of this critical hit.

Life support: The results are the same as in the listing for a severegravity/life support hit except that the damage persists until it isrepaired.

D-Drive: The Dillingham Drive is knocked offline until it is repaired.

Gravity Drive: The starships Move decreases by 1 until the engines

are repaired. If this result is rolled again, the effect is cumulative. Ifthe ships Move has already been reduced to 0 due to engine damage,ignore this result and reroll. The ship continues along its current flightpath at its current Move value.

Power Plant: A random system of the GMs choosing losses power andgoes offline until the damage is repaired (reroll on this table forpurposes of determining location only).

Weapon: One of the starships weapon mounts (attackers choice)

ceases to function. The weapon remains inoperable until it is repaired.If this result is rolled again and the ship has no functional weapons,ignore this result and reroll.


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Destroyed System Result:

Weapon: One of the starships weapon mounts (determined by theattacker) is destroyed. It cannot be repaired and must be replaced. Ifthis result is rolled again and the ship has no weapons, ignore this

result and reroll. If the destroyed weapon was linked or part of abattery, the other weapons to which it was linked continue to functionnormally, but must be fired individually.


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NUMBER OF JURYRIGS THAT CANBE ATTEMPTEDPERROUND

Category # of jury rigs

Ultralight and light 1

Medium 2

Heavy 3

Very Heavy 4

Capital 5

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Thousand Suns Starships -- Chapter 3 Cheat Sheet

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