TAU class: Difference between revisions

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| classification= extrasolar exploration vessel
| classification= extrasolar exploration vessel
| affiliation= [[NASA]]
| affiliation= [[NASA]]
| built= 5
| ordered= 5
| commission= 1
| operational= [[2036]] - [[2069]]
| completed= 5
| completed= 5
| active= 1
| active= 1
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:: Beam: 50.3 m
:: Beam: 50.3 m
:: Height: 122.1 m
:: Height: 122.1 m
:: Mass: 6,440 mt
:: Target Mass: 6,440 mt
:: Utilized Mass: 6,365.21 mt
:: Maximum SU: 642.75
:: Maximum SU: 642.75
:: Utilized SU: 642.75
:: Utilized SU: 635.25
:: SU Mass: 10 mt (10.02 mt specifically)
:: SU Mass: 10 mt (10.02 mt specifically)


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: '''<u>Structural Integrity Field:</u>''' n/a
: '''<u>Structural Integrity Field:</u>''' n/a


===Personnel Systems (415.5 SU)===
===Personnel Systems (428.5)===
: '''<u>Crew:</u>''' 15-18
: '''<u>Crew:</u>''' 15-18


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: '''<u>Environmental Systems</u>'''
: '''<u>Environmental Systems</u>'''
:: Basic Life Support: 12 SU [3 PWR]  
:: Basic Life Support: [3 PWR]; 12 SU
:: Reserve Life Support: 6 SU [1.5 PWR]  
:: Reserve Life Support: [2 PWR]; 6 SU
:: Emergency Life Support (18 emergency shelters): 6 SU
:: Emergency Life Support (18 emergency shelters): 6 SU  
:: Gravity: n/a
:: Gravity: n/a  
:: Consumables: 2 years (fully active crew); 13.2 SU
:: Consumables: 2 years (fully active crew); 13.2 SU  


: '''<u>Replicator Systems</u>'''
: '''<u>Replicator Systems</u>'''
:: Food Processor System: 2 SU
:: Food Processor System: food stores, [0 PWR]; 2 SU
::: Type: food stores [0 PWR]
:: Industrial Fabrication Units: n/a  
:: Industrial Fabrication Units: n/a  


: '''<u>Medical Facilities:</u>''' 1 (10%); 5 SU [1 PWR]  
: '''<u>Medical Facilities:</u>''' Rating: 1 (10%); [1 PWR]; 5 SU


: '''<u>Recreation Facilities:</u>''' 2, 12 SU [4 PWR]  
: '''<u>Recreation Facilities:</u>''' Rating: 2 [4 PWR]; 12 SU
:: 1 gym, 1 small lounge
:: 1 gym, 1 small lounge


: '''<u>Personnel Transport:</u>''' Jefferies tubes; 1 SU [0 PWR]
: '''<u>Personnel Transport:</u>''' Jefferies tubes [0 PWR]; 1 SU 


: '''<u>Fire Suppression:</u>''' 3 SU [1 PWR]   
: '''<u>Fire Suppression:</u>''' [1 PWR]; 3 SU  


: '''<u>Cargo:</u>''' 3,540.1 mt total; 353.3 SU
: '''<u>Cargo:</u>''' 3,670.3 mt total; 366.3 SU


: '''<u>Escape Pods:</u>''' n/a
: '''<u>Escape Pods:</u>''' n/a


===Propulsion Systems (39.5 SU)===
===Propulsion Systems (39.5 SU)===
: '''<u>Impulse Engine:</u>'''
: '''<u>Impulse Engine:</u>'''  
:: Type: Type I (fusion-powered) (0.1c / 0.2c); 5 SU [2 / 4 PWR]  
:: Type: Type I (fusion-powered) (0.1c / 0.2c) [2 / 4 PWR]; 5 SU
::: Location: aft
::: Location: aft  
::: Pratt & Whitney F100 fusion-powered ion engine
::: Pratt & Whitney F100 fusion-powered ion engine  


: '''<u>Impulse Engine:</u>'''
: '''<u>Impulse Engine:</u>'''  
:: Type: fission-powered (0.1c); 30 SU [3 PWR]  
:: Type: fission-powered (0.1c) [3 PWR]; 30 SU
::: Location: aft
::: Location: aft  
::: set of 4x AmJet SJ-79 fission-powered ion engines
::: set of 4x AmJet SJ-79 fission-powered ion engines  


: '''<u>Reaction Control System:</u>''' (0.025c); 4.5 SU [2 PWR]
: '''<u>Reaction Control System:</u>''' (0.025c) [2 PWR]; 4.5 SU  


: '''<u>Auxiliary Reaction Control System:</u>''' (0.013c); 1.5 SU [1 PWR]
: '''<u>Auxiliary Reaction Control System:</u>''' (0.013c) [1 PWR]; 1.5 SU


===Power Systems (94 SU)===
===Power Systems (85 SU)===
: '''<u>Impulse Engine[s]:</u>''' 1 Type I fusion reactor (generates 6 PWR)
: '''<u>Impulse Engine:</u>''' 1 Type I fusion reactor (generates 6 PWR)


: '''<u>Impulse Engine[s]:</u>''' 4 AmJet SJ-79 fission reactors (each generates 1 PWR)
: '''<u>Impulse Engines:</u>''' 4 AmJet SJ-79 fission reactors (each generates 1 PWR)


: '''<u>Auxiliary Power:</u>''' 4 AmJet SJ-40 fission reactors (each generates 1.5 PWR); 45 SU  
: '''<u>Auxiliary Power:</u>''' 3 AmJet SJ-40 fission reactors (each generates 2 PWR); 45 SU  


: '''<u>Auxiliary Power:</u>''' 5 RTGs (each generates 2 PWR); 10 SU  
: '''<u>Auxiliary Power:</u>''' 5 RTGs (each generates 2 PWR); 10 SU  


: '''<u>Emergency Power:</u>''' 1 Type N2036 fusion reactor (generates 6 PWR); 5 SU  
: '''<u>Emergency Power:</u>''' 1 Type N2036 fusion reactor (generates 5 PWR); 5 SU  


: '''<u>Battery Power Systems:</u>''' 9 SU  
: '''<u>Battery Power Systems:</u>''' 9 SU  
:: Source: Emergency Life Support one-time drain [18 PWR]
:: Source: Emergency Life Support one-time drain [bursts 18 PWR]


: '''<u>Power Distribution System:</u>''' Standard Power flow, +10 Power transfer; 16 SU
: '''<u>Power Distribution System:</u>''' Standard Power flow, +10 Power transfer; 16 SU


: '''<u>Standard Usable Power:</u>''' 26
: '''<u>Standard Usable Power:</u>''' 28


===Operations Systems (63.75 SU)===
===Operations Systems (52.25 SU)===
: '''<u>Bridge Systems:</u>''' bow module; 6 SU
: '''<u>Bridge Systems:</u>''' bow module; 6 SU
:: 21st century flight deck
:: 21st century flight deck
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::: Gain package: standard (+0)
::: Gain package: standard (+0)
::: Strength package: Class 1 (Strength +0 / +0 / +3 / +3)
::: Strength package: Class 1 (Strength +0 / +0 / +3 / +3)
::: Coverage: Standard
::: Coverage: standard


:: <u>Lateral Sensors:</u> [5 PWR]; 6 SU
:: <u>Lateral Sensors:</u> [5 PWR]; 6 SU
::: Gain package: Standard (+0)
::: Gain package: standard (+0)
::: Strength package: Class 0 (Strength +0)
::: Strength package: Class 0 (Strength +0)
::: Coverage: Standard
::: Coverage: standard


:: <u>Navigational Sensors:</u> [5 PWR]; 6 SU
:: <u>Navigational Sensors:</u> [5 PWR]; 6 SU
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::: Backups: 1 [0 PWR]; 0 SU
::: Backups: 1 [0 PWR]; 0 SU


:: <u>Inertial Damping Field</u>  
:: <u>Inertial Damping Field</u>: n/a
:: Main: 6 SU
::: Strength: 2 [3 PWR]
::: Number: 1
:: Backup: 1.5 SU
::: Strength: 1 [2 PWR]
::: Number: 1


:: <u>Attitude Control:</u> [1 PWR]; 0.75 SU ''(unrounded)''  
:: <u>Attitude Control:</u> [1 PWR]; 0.75 SU ''(unrounded)''  
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: '''<u>Science Systems</u>'''
: '''<u>Science Systems</u>'''
:: Rating 1 (+0) [1 PWR]; 8 SU
:: Rating 1 (+0) [1 PWR]; 8 SU
:: Specialized Systems: 1 (physical: subspace); 2 SU
:: Specialized Systems: +10% (physical: subspace); 3 SU
:: Laboratories: 1; 2 SU
:: Laboratories: 1; 2 SU


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[[Category: Ship classes|{{PAGENAME}}]]
[[Category:Ship classes|{{PAGENAME}}]]
[[Category: ship category, such as 'Transports'|{{PAGENAME}}]]
[[Category:Active Surveyor Classes|{{PAGENAME}}]]

Latest revision as of 01:50, 23 September 2026

STARSHIP CLASS
TAU
(Thousand Astronomical Unit)
extrasolar exploration vessel
Affiliation NASA
Ordered 5
Completed 5
Operational 2036 - 2069
Active 1
Projected Lifespan 5 years
Dimensions
Mass 6,440 mt
Length 218.2 m
Beam 50.3 m
Height 122.1 m
Characteristics
Crew 15-18
Cruise Speed 0.1 c
Maximum Speed 0.2 c
Defenses electromagnetic shield
Auxiliary Craft mix of up to 4 drone probe capsules and modified landers
Combat Ratings
Size 3
Impulse 0.1 c / 0.2 c
Background
Costs (RPs)
  • Construction: 193 RP
  • Prototype: 386 RP
  • IMC: 38.6 RP
Guide entry Guide: TAU
Spreadsheet TAU class


Ships

Name NCC Builder Commissioned Decommissioned Status
Daedalus TAU One Rockwell 2036.02 2036.08 lost
Betelgeuze TAU Two Rockwell 2037.02 2043 decommissioned
Charybdis TAU Three Rockwell 2037.0723 2038.0207 lost
Phlebas TAU Four Rockwell 2037.12 2042 decommissioned
Jacob TAU Five
TAU Six
TAU Seven
TAU Eight		 Rockwell 2038.08 2069 decommissioned

Initial Flight Configuration

Hull Systems (30 SU)

Size: 3
Length: 218.2 m
Beam: 50.3 m
Height: 122.1 m
Target Mass: 6,440 mt
Utilized Mass: 6,365.21 mt
Maximum SU: 642.75
Utilized SU: 635.25
SU Mass: 10 mt (10.02 mt specifically)
Hull
Outer: 12 SU
Inner: 12 SU
Shipbuilder: Rockwell
Resistance
Outer Hull: 4; 3 SU
Inner Hull: 4; 3 SU
Structural Integrity Field: n/a

Personnel Systems (428.5)

Crew: 15-18
Crew Quarters
Spartan: 8; 1 SU
Cryogenic Pods: 18; 1 SU
Environmental Systems
Basic Life Support: [3 PWR]; 12 SU
Reserve Life Support: [2 PWR]; 6 SU
Emergency Life Support (18 emergency shelters): 6 SU
Gravity: n/a
Consumables: 2 years (fully active crew); 13.2 SU
Replicator Systems
Food Processor System: food stores, [0 PWR]; 2 SU
Industrial Fabrication Units: n/a
Medical Facilities: Rating: 1 (10%); [1 PWR]; 5 SU
Recreation Facilities: Rating: 2 [4 PWR]; 12 SU
1 gym, 1 small lounge
Personnel Transport: Jefferies tubes [0 PWR]; 1 SU
Fire Suppression: [1 PWR]; 3 SU
Cargo: 3,670.3 mt total; 366.3 SU
Escape Pods: n/a

Propulsion Systems (39.5 SU)

Impulse Engine:
Type: Type I (fusion-powered) (0.1c / 0.2c) [2 / 4 PWR]; 5 SU
Location: aft
Pratt & Whitney F100 fusion-powered ion engine
Impulse Engine:
Type: fission-powered (0.1c) [3 PWR]; 30 SU
Location: aft
set of 4x AmJet SJ-79 fission-powered ion engines
Reaction Control System: (0.025c) [2 PWR]; 4.5 SU
Auxiliary Reaction Control System: (0.013c) [1 PWR]; 1.5 SU

Power Systems (85 SU)

Impulse Engine: 1 Type I fusion reactor (generates 6 PWR)
Impulse Engines: 4 AmJet SJ-79 fission reactors (each generates 1 PWR)
Auxiliary Power: 3 AmJet SJ-40 fission reactors (each generates 2 PWR); 45 SU
Auxiliary Power: 5 RTGs (each generates 2 PWR); 10 SU
Emergency Power: 1 Type N2036 fusion reactor (generates 5 PWR); 5 SU
Battery Power Systems: 9 SU
Source: Emergency Life Support one-time drain [bursts 18 PWR]
Power Distribution System: Standard Power flow, +10 Power transfer; 16 SU
Standard Usable Power: 28

Operations Systems (52.25 SU)

Bridge Systems: bow module; 6 SU
21st century flight deck
Computers
Core 1: flight-deck module [5 PWR]; 1.5 SU
Core 2: auxiliary control module [5 PWR]; 1.5 SU
Uprating: n/a
Optical Data Network (ODN): fiberglass laser optics; 9 SU
Navigational Deflector: n/a
Sensor Systems
Long-Range Sensors: [5 PWR]; 1 SU
Range Package: pre-warp (72 / 58 / 17 / -)
High Resolution: none
Low Resolution: 1 lightyear (0.3 / 0.4-0.6 / 0.7-0.9 / 0.91-1.0 ly)
Gain package: standard (+0)
Strength package: Class 1 (Strength +0 / +0 / +3 / +3)
Coverage: standard
Lateral Sensors: [5 PWR]; 6 SU
Gain package: standard (+0)
Strength package: Class 0 (Strength +0)
Coverage: standard
Navigational Sensors: [5 PWR]; 6 SU
Gain package: standard (+0)
Strength package: Class 0 (Strength +0)
Probes: 4 externally-mounted, modified lander/capsule probes; 0.5 SU
Flight Control Systems:
Autopilot: Control 1, Coordination 1 [1 PWR]; 4 SU
Navigational Computer
Main: Class 1 (+0) [0 PWR]; 1 SU
Backups: 1 [0 PWR]; 0 SU
Inertial Damping Field: n/a
Attitude Control: [1 PWR]; 0.75 SU (unrounded)
Communication Systems
Type: Type I (interplanetary radio) [2 PWR]; 1 SU
Strength: 1
Security: 0 (no uprating)
Basic Uprating: no uprating (+0)
Emergency Communications System: Yes [2 PWR]; 1 SU
Science Systems
Rating 1 (+0) [1 PWR]; 8 SU
Specialized Systems: +10% (physical: subspace); 3 SU
Laboratories: 1; 2 SU

Tactical Systems (0 SU)

No tactical systems

Auxiliary Spacecraft Systems (0 SU)

While the vessel does carry up to four crewed capsules, these are externally mounted. The TAU class has no shuttlebays or embedded craft.

Production

Notes

References

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