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Interstellar Transport Ship TASMANIA (late 21C setting)...

 
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Johnny1a

External


Since: Jan 06, 2005
Posts: 128



(Msg. 1) Posted: Sun Sep 03, 2006 8:11 pm
Post subject: Interstellar Transport Ship TASMANIA (late 21C setting)...
Archived from groups: rec>games>frp>gurps (more info?)

TL10 Interstellar Transporter TASMANIA

In the late 21C, the standard form of interstellar transportation are
ships like the TASMANIA. A creature of pure space, constructed in
Lunar orbit and never intended to enter any sort of substantial
atmosphere, the TASMANIA is quite typical of her kind. Various
specific designs and variations on those designs do exist, but most of
are more-or-less recognizably similar to TASMANIA.

In form TASMANIA consists of a cylindrical 'core' module containing the
propulsion and primary power systems, the main communications and
sensory systems, and of course five large (1 million cubic foot)
spacedocks and five (2,500,000 cubic foot) cargo holds. The core
module is approximately 1000 feet long, and at its midsection is ringed
by a set of docking units to which external modules can be attached.

The standard external modules for TASMANIA are:

*Two habitation modules which house the regular crew with some extra
space for company/public officials or other VIPs.

*Two Command Modules containing the operational control center and main
computer system and the quarters for a captain and an executive officer
(the Command Modules are internally identical, and standard procedure
is for the captain of TASMANIA to inhabit the primary command module
and the XO to live in the secondary one for safety's sake, though this
is not mandatory).

*A medical/personnel module containing medical facilities for the crew
(and in emergencies, for passengers).

The modules are docked 72 degrees apart around the circumference of the
core module. Each of the external modules has its own 'artificial
gravity' and life-support systems and emergency power supplies, though
normally they draw power from the main power plant in the core module.

In operation, TASMANIA approaches Earth (or another planet on its
itinerary) and enters a stable orbit (usually from 250 to 1000 miles in
the case of worlds similar to Earth), and from there takes on cargo
from shuttles and smaller spacecraft. Also, many smaller ships that
lack interstellar capacity themselves are taken aboard TASMANIA in the
spacedocks, where they will nestle until TASMANIA reaches the world of
their destination and releases them again. This permits vehicles that
are themselves capable only of reaching orbit around their worlds to
make interstellar voyages.

Inside TASMANIA, the ships can connect to the main power system of the
transport to avoid drawing too heavily on their own fuel supplies and
to save strain on their power plants. This is encouraged by the owners
of TASMANIA for safety reasons (and of course also because the service
is NOT free). However, provision for supplies of other consumables are
the responsibility of the vehicle crews and owners.

TASMANIA is most emphatically NOT a warship, her armor is modest, her
defense-shield capacity is limited to a DR of 1000, and her only
weaponry is a pair of long-range laser cannon of modest power, stored
in 'turrets' that are mounted on rotating rings at each end of the core
module. TASMANIA has sufficient firepower to discourage casual attack,
but she can not stand off serious military power.

Typically, TASMANIA will follow a regular schedule of stops, so that
the inhabitants of a world along her itinerary will know roughly when
to expect her arrival. This means that interstellar shipments usually
wait until TASMANIA or one of her sister ships arrives, unless they are
high-priority enough to justify use of a private starship for their
transport. The vast majority of interstellar freight (80% or more) and
passenger travel (70% or so) travel by means of ships like TASMANIA.




Crew: 20 total

Subassemblies: Vehicle +13, Body +13, Turret +3, Turret +3, Habitation
Module #2 +7, Secondary Command Module +7, Medical and Personnel
Support Module +7, Habitation Module #1 +7, Primary Command Module +7.

P&P: four 7,000,000-kW enhanced fission reactors (40 year duration; no
access space), 1,620,000-kWs rechargeable fast reaction power cell
[Turret], 1,620,000-kWs rechargeable fast reaction power cell [Turret],
four 100-kW emergency NPUs (2 year duration; no access space)
[Habitation Module #2], two 100-kW emergency NPUs (2 year duration; no
access space) [Secondary Command Module], two 100-kW NPUs (2 year
duration; no access space) [Medical and Personnel Support Module], four
100-kW emergency NPUs (2 year duration; no access space) [Habitation
Module #1], two 100-kW emergency NPUs (2 year duration; no access
space) [Primary Command Module], 15 5,000,000 lbs. thrust
dimensionators (long term access).

Fuel: Enriched uranium (25% enrichment)

Occupancy: roomy command station (bridge access, g-seat) [Secondary
Command Module], five normal reconfigurable crew stations (bridge
access, g-seat) [Secondary Command Module], roomy command station
(bridge access, g-seat) [Primary Command Module], five normal
reconfigurable crew stations (bridge access, g-seat) [Primary Command
Module], 20 cabins [Habitation Module #2], galley [Habitation Module
#2], two normal toilets [Habitation Module #2], four normal passenger
seats (improved access, g-seat) [Secondary Command Module], luxury
captaincy suite [Secondary Command Module], luxury XO cabin [Secondary
Command Module], roomy toilet [Secondary Command Module], small
emergency galley [Secondary Command Module], luxury ship surgeon cabin
[Medical and Personnel Support Module], four dual occupancy sickbay
cabins [Medical and Personnel Support Module], normal toilet [Medical
and Personnel Support Module], 20 cabins [Habitation Module #1], galley
[Habitation Module #1], two normal toilets [Habitation Module #1], four
normal passenger seats (improved access, g-seat) [Primary Command
Module], luxury captaincy suite [Primary Command Module], luxury XO
cabin [Primary Command Module], roomy toilet [Primary Command Module],
small emergency galley [Primary Command Module], 30-man full local life
support system [Habitation Module #2], 10-man full local life support
system [Secondary Command Module], 15-man full life support system
[Medical and Personnel Support Module], 30-man full local life support
system [Habitation Module #1], 10-man full local life support system
[Primary Command Module], three 2,500,000-cf cargo holds.

Armor F RL B T U
Body 4/200 4/200 4/200 4/200 4/200
Turret 4/100 4/100 4/100 4/100 0/0
Turret 4/100 4/100 4/100 4/100 0/0
Habitation Module #2 4/200 4/200 4/200 4/200 4/200
Secondary Command Module 4/200 4/200 4/200 4/200 4/200
Medical and Personnel Support Module 4/200 4/200 4/200 4/200 4/200
Habitation Module #1 4/200 4/200 4/200 4/200 4/200
Primary Command Module 4/200 4/200 4/200 4/200 4/200

Weaponry Malf Type Damage SS Acc 1/2D yds Max yds
RoF TL
tunable laser projector Ver. Imp. 4dx85 30 31 240,000(x50)
720,000(x50) 1 10

Equipment
Vehicle: radiation shielding (10,000 PF); hullform barrier shield
systems DR 1,000.

Body: FTL-PTLSA (scan 27, 500-AU); two AESAs (scan 34, 7,500-mile
range); two PESAs (scan 35, 10,000-mile range); two extreme range laser
communicators (10,000,000-mile range); two extreme range radio
communicators (50,000,000-mile range; sensitive, tight beam,
scrambler); two extreme range ultracommunicators (10,000 AU range;
receive only, sensitive); short range transmitting ultracommunicator
(10 AU range; tight beam); advanced radiation detector; two complete
workshops; searchlight (100-mile range); five 1,000,000-cf capacity
spacedocks.

Turret: full stabilization; cyberuniversal mount; 72,000-kJ tunable
laser projector (very long range).

Turret: full stabilization; cyberuniversal mount; 72,000-kJ tunable
laser projector (very long range).

Habitation Module #2: artificial gravity system (27,000cf covering);
1-man airlock.

Secondary Command Module: six large holoscreen units; 75-sf small
luxury wardroom; artificial gravity system (27,000cf covering);
mainframe computer (complexity 7; hardened, neural net, robot brain);
1-man airlock.

Medical and Personnel Support Module: ten automeds; operating room (two
tables w/full stabilization); artificial gravity system (27,000cf
covering); backup artificial gravity system (27,000cf covering); 50-sf
medical office; microframe medical computer (complexity 6; hardened,
neural net); 1-man airlock.

Habitation Module #1: artificial gravity system (27,000cf covering);
1-man airlock.

Primary Command Module: six large holoscreen units; 75-sf small luxury
wardroom; artificial gravity system (27,000cf covering); mainframe
computer (complexity 7; hardened, neural net, robot brain); 1-man
airlock.

Statistics
Size: [LxWxH] 1000 X 149 in diameter (Cylinder)
Payload: 150,004,000 lbs. Lwt: 158,685,176 lbs.
Volume: 17,665,064 cf

HT: 5 HP: 304,599 [Body], 150 [Turret], 150 [Turret], 2,250 [Habitation
Module #2], 2,250 [Secondary Command Module], 2,250 [Medical and
Personnel Support Module], 2,250 [Habitation Module #1], 2,250 [Primary
Command Module].

Space Performance: sAccel: 0.473 G / 8.64 G (empty), sDecel: 0.473 G,
sMR: 0.473.

FTL Performance: 1 pc/day

Design Notes:
TL10 robotic light frame expensive materials [Vehicle].
TL10 DR 100 standard laminate [Turret].
TL10 DR 100 standard laminate [Turret].
TL10 DR 200 advanced laminate [Body].
TL10 DR 200 advanced laminate [Habitation Module #2].
TL10 DR 200 advanced laminate [Secondary Command Module].
TL10 DR 200 advanced laminate [Medical and Personnel Support Module].
TL10 DR 200 advanced laminate [Habitation Module #1].
TL10 DR 200 advanced laminate [Primary Command Module].
Operating Duration: 24 S.
Vehicle Features: computerized controls, self-sealed, no streamlining.
Body: total compartmentalization.
Turret: fixed rotation.
Turret: fixed rotation.
Habitation Module #2: total compartmentalization.
Secondary Command Module: total compartmentalization.
Medical and Personnel Support Module: total compartmentalization.
Habitation Module #1: total compartmentalization.
Primary Command Module: total compartmentalization.
Volume: 17,610,596 cf [Body], 169 cf [Turret], 169 cf [Turret], 10,806
cf [Habitation Module #2], 10,806 cf [Secondary Command Module], 10,806
cf [Medical and Personnel Support Module], 10,806 cf [Habitation Module
#1], 10,806 cf [Primary Command Module].
Area: 406,132 sf [Body], 200 sf [Turret], 200 sf [Turret], 3,000 sf
[Habitation Module #2], 3,000 sf [Secondary Command Module], 3,000 sf
[Medical and Personnel Support Module], 3,000 sf [Habitation Module
#1], 3,000 sf [Primary Command Module].
Empty Space: 5,421 cf [Secondary Command Module], 5,682 cf [Medical and
Personnel Support Module], 5,421 cf [Primary Command Module].


Shermanlee

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Elvis

External


Since: Jan 25, 2006
Posts: 75



(Msg. 2) Posted: Mon Sep 04, 2006 7:40 am
Post subject: Re: Interstellar Transport Ship TASMANIA (late 21C setting)... [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Johnny1a wrote:
> TL10 Interstellar Transporter TASMANIA
>
> In the late 21C, the standard form of interstellar transportation are
> ships like the TASMANIA. A creature of pure space, constructed in
> Lunar orbit and never intended to enter any sort of substantial
> atmosphere, the TASMANIA is quite typical of her kind. Various
> specific designs and variations on those designs do exist, but most of
> are more-or-less recognizably similar to TASMANIA.
>
> In form TASMANIA consists of a cylindrical 'core' module containing the
> propulsion and primary power systems, the main communications and
> sensory systems, and of course five large (1 million cubic foot)
> spacedocks and five (2,500,000 cubic foot) cargo holds. The core
> module is approximately 1000 feet long, and at its midsection is ringed
> by a set of docking units to which external modules can be attached.
>
> The standard external modules for TASMANIA are:

NICE DESIGN JOB! I would RATHER adventure behind Stealthed Military
Grade armor & screens, with good deflection angles,
compartmentalization & multiple independent power sources & the maximum
allowable firepower with hidden weapons. I dislike adventuring in a
'BALOON' that just begs to be POPPED!
>
> *Two habitation modules which house the regular crew with some extra
> space for company/public officials or other VIPs.
>
> *Two Command Modules containing the operational control center and main
> computer system and the quarters for a captain and an executive officer
> (the Command Modules are internally identical, and standard procedure
> is for the captain of TASMANIA to inhabit the primary command module
> and the XO to live in the secondary one for safety's sake, though this
> is not mandatory).
>
> *A medical/personnel module containing medical facilities for the crew
> (and in emergencies, for passengers).
>
> The modules are docked 72 degrees apart around the circumference of the
> core module. Each of the external modules has its own 'artificial
> gravity' and life-support systems and emergency power supplies, though
> normally they draw power from the main power plant in the core module.
>
> In operation, TASMANIA approaches Earth (or another planet on its
> itinerary) and enters a stable orbit (usually from 250 to 1000 miles in
> the case of worlds similar to Earth), and from there takes on cargo
> from shuttles and smaller spacecraft. Also, many smaller ships that
> lack interstellar capacity themselves are taken aboard TASMANIA in the
> spacedocks, where they will nestle until TASMANIA reaches the world of
> their destination and releases them again. This permits vehicles that
> are themselves capable only of reaching orbit around their worlds to
> make interstellar voyages.
>
> Inside TASMANIA, the ships can connect to the main power system of the
> transport to avoid drawing too heavily on their own fuel supplies and
> to save strain on their power plants. This is encouraged by the owners
> of TASMANIA for safety reasons (and of course also because the service
> is NOT free). However, provision for supplies of other consumables are
> the responsibility of the vehicle crews and owners.
>
> TASMANIA is most emphatically NOT a warship, her armor is modest, her
> defense-shield capacity is limited to a DR of 1000, and her only
> weaponry is a pair of long-range laser cannon of modest power, stored
> in 'turrets' that are mounted on rotating rings at each end of the core
> module. TASMANIA has sufficient firepower to discourage casual attack,
> but she can not stand off serious military power.
>
> Typically, TASMANIA will follow a regular schedule of stops, so that
> the inhabitants of a world along her itinerary will know roughly when
> to expect her arrival. This means that interstellar shipments usually
> wait until TASMANIA or one of her sister ships arrives, unless they are
> high-priority enough to justify use of a private starship for their
> transport. The vast majority of interstellar freight (80% or more) and
> passenger travel (70% or so) travel by means of ships like TASMANIA.
>
>
>
>
> Crew: 20 total
>
> Subassemblies: Vehicle +13, Body +13, Turret +3, Turret +3, Habitation
> Module #2 +7, Secondary Command Module +7, Medical and Personnel
> Support Module +7, Habitation Module #1 +7, Primary Command Module +7.
>
> P&P: four 7,000,000-kW enhanced fission reactors (40 year duration; no
> access space), 1,620,000-kWs rechargeable fast reaction power cell
> [Turret], 1,620,000-kWs rechargeable fast reaction power cell [Turret],
> four 100-kW emergency NPUs (2 year duration; no access space)
> [Habitation Module #2], two 100-kW emergency NPUs (2 year duration; no
> access space) [Secondary Command Module], two 100-kW NPUs (2 year
> duration; no access space) [Medical and Personnel Support Module], four
> 100-kW emergency NPUs (2 year duration; no access space) [Habitation
> Module #1], two 100-kW emergency NPUs (2 year duration; no access
> space) [Primary Command Module], 15 5,000,000 lbs. thrust
> dimensionators (long term access).
>
> Fuel: Enriched uranium (25% enrichment)
>
> Occupancy: roomy command station (bridge access, g-seat) [Secondary
> Command Module], five normal reconfigurable crew stations (bridge
> access, g-seat) [Secondary Command Module], roomy command station
> (bridge access, g-seat) [Primary Command Module], five normal
> reconfigurable crew stations (bridge access, g-seat) [Primary Command
> Module], 20 cabins [Habitation Module #2], galley [Habitation Module
> #2], two normal toilets [Habitation Module #2], four normal passenger
> seats (improved access, g-seat) [Secondary Command Module], luxury
> captaincy suite [Secondary Command Module], luxury XO cabin [Secondary
> Command Module], roomy toilet [Secondary Command Module], small
> emergency galley [Secondary Command Module], luxury ship surgeon cabin
> [Medical and Personnel Support Module], four dual occupancy sickbay
> cabins [Medical and Personnel Support Module], normal toilet [Medical
> and Personnel Support Module], 20 cabins [Habitation Module #1], galley
> [Habitation Module #1], two normal toilets [Habitation Module #1], four
> normal passenger seats (improved access, g-seat) [Primary Command
> Module], luxury captaincy suite [Primary Command Module], luxury XO
> cabin [Primary Command Module], roomy toilet [Primary Command Module],
> small emergency galley [Primary Command Module], 30-man full local life
> support system [Habitation Module #2], 10-man full local life support
> system [Secondary Command Module], 15-man full life support system
> [Medical and Personnel Support Module], 30-man full local life support
> system [Habitation Module #1], 10-man full local life support system
> [Primary Command Module], three 2,500,000-cf cargo holds.
>
> Armor F RL B T U
> Body 4/200 4/200 4/200 4/200 4/200
> Turret 4/100 4/100 4/100 4/100 0/0
> Turret 4/100 4/100 4/100 4/100 0/0
> Habitation Module #2 4/200 4/200 4/200 4/200 4/200
> Secondary Command Module 4/200 4/200 4/200 4/200 4/200
> Medical and Personnel Support Module 4/200 4/200 4/200 4/200 4/200
> Habitation Module #1 4/200 4/200 4/200 4/200 4/200
> Primary Command Module 4/200 4/200 4/200 4/200 4/200
>
> Weaponry Malf Type Damage SS Acc 1/2D yds Max yds
> RoF TL
> tunable laser projector Ver. Imp. 4dx85 30 31 240,000(x50)
> 720,000(x50) 1 10
>
> Equipment
> Vehicle: radiation shielding (10,000 PF); hullform barrier shield
> systems DR 1,000.
>
> Body: FTL-PTLSA (scan 27, 500-AU); two AESAs (scan 34, 7,500-mile
> range); two PESAs (scan 35, 10,000-mile range); two extreme range laser
> communicators (10,000,000-mile range); two extreme range radio
> communicators (50,000,000-mile range; sensitive, tight beam,
> scrambler); two extreme range ultracommunicators (10,000 AU range;
> receive only, sensitive); short range transmitting ultracommunicator
> (10 AU range; tight beam); advanced radiation detector; two complete
> workshops; searchlight (100-mile range); five 1,000,000-cf capacity
> spacedocks.
>
> Turret: full stabilization; cyberuniversal mount; 72,000-kJ tunable
> laser projector (very long range).
>
> Turret: full stabilization; cyberuniversal mount; 72,000-kJ tunable
> laser projector (very long range).
>
> Habitation Module #2: artificial gravity system (27,000cf covering);
> 1-man airlock.
>
> Secondary Command Module: six large holoscreen units; 75-sf small
> luxury wardroom; artificial gravity system (27,000cf covering);
> mainframe computer (complexity 7; hardened, neural net, robot brain);
> 1-man airlock.
>
> Medical and Personnel Support Module: ten automeds; operating room (two
> tables w/full stabilization); artificial gravity system (27,000cf
> covering); backup artificial gravity system (27,000cf covering); 50-sf
> medical office; microframe medical computer (complexity 6; hardened,
> neural net); 1-man airlock.
>
> Habitation Module #1: artificial gravity system (27,000cf covering);
> 1-man airlock.
>
> Primary Command Module: six large holoscreen units; 75-sf small luxury
> wardroom; artificial gravity system (27,000cf covering); mainframe
> computer (complexity 7; hardened, neural net, robot brain); 1-man
> airlock.
>
> Statistics
> Size: [LxWxH] 1000 X 149 in diameter (Cylinder)
> Payload: 150,004,000 lbs. Lwt: 158,685,176 lbs.
> Volume: 17,665,064 cf
>
> HT: 5 HP: 304,599 [Body], 150 [Turret], 150 [Turret], 2,250 [Habitation
> Module #2], 2,250 [Secondary Command Module], 2,250 [Medical and
> Personnel Support Module], 2,250 [Habitation Module #1], 2,250 [Primary
> Command Module].
>
> Space Performance: sAccel: 0.473 G / 8.64 G (empty), sDecel: 0.473 G,
> sMR: 0.473.
>
> FTL Performance: 1 pc/day
>
> Design Notes:
> TL10 robotic light frame expensive materials [Vehicle].
> TL10 DR 100 standard laminate [Turret].
> TL10 DR 100 standard laminate [Turret].
> TL10 DR 200 advanced laminate [Body].
> TL10 DR 200 advanced laminate [Habitation Module #2].
> TL10 DR 200 advanced laminate [Secondary Command Module].
> TL10 DR 200 advanced laminate [Medical and Personnel Support Module].
> TL10 DR 200 advanced laminate [Habitation Module #1].
> TL10 DR 200 advanced laminate [Primary Command Module].
> Operating Duration: 24 S.
> Vehicle Features: computerized controls, self-sealed, no streamlining.
> Body: total compartmentalization.
> Turret: fixed rotation.
> Turret: fixed rotation.
> Habitation Module #2: total compartmentalization.
> Secondary Command Module: total compartmentalization.
> Medical and Personnel Support Module: total compartmentalization.
> Habitation Module #1: total compartmentalization.
> Primary Command Module: total compartmentalization.
> Volume: 17,610,596 cf [Body], 169 cf [Turret], 169 cf [Turret], 10,806
> cf [Habitation Module #2], 10,806 cf [Secondary Command Module], 10,806
> cf [Medical and Personnel Support Module], 10,806 cf [Habitation Module
> #1], 10,806 cf [Primary Command Module].
> Area: 406,132 sf [Body], 200 sf [Turret], 200 sf [Turret], 3,000 sf
> [Habitation Module #2], 3,000 sf [Secondary Command Module], 3,000 sf
> [Medical and Personnel Support Module], 3,000 sf [Habitation Module
> #1], 3,000 sf [Primary Command Module].
> Empty Space: 5,421 cf [Secondary Command Module], 5,682 cf [Medical and
> Personnel Support Module], 5,421 cf [Primary Command Module].
>
>
> Shermanlee

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The Rev. Dr. Lt. Chaos Is

External


Since: Aug 27, 2006
Posts: 108



(Msg. 3) Posted: Mon Sep 04, 2006 1:26 pm
Post subject: Re: Interstellar Transport Ship TASMANIA (late 21C setting)... [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Johnny1a wrote:
> TL10 Interstellar Transporter TASMANIA
>
> In form TASMANIA consists of a cylindrical 'core' module containing the
> propulsion and primary power systems, the main communications and
> sensory systems, and of course five large (1 million cubic foot)
> spacedocks and five (2,500,000 cubic foot) cargo holds. The core
> module is approximately 1000 feet long, and at its midsection is ringed
> by a set of docking units to which external modules can be attached.
>
> The standard external modules for TASMANIA are:
>
> *Two habitation modules which house the regular crew with some extra
> space for company/public officials or other VIPs.
>
> *Two Command Modules containing the operational control center and main
> computer system and the quarters for a captain and an executive officer
> (the Command Modules are internally identical, and standard procedure
> is for the captain of TASMANIA to inhabit the primary command module
> and the XO to live in the secondary one for safety's sake, though this
> is not mandatory).
>
> *A medical/personnel module containing medical facilities for the crew
> (and in emergencies, for passengers).
>

Not as paranoid as Elvis, but:

I'd be a bit nervous about any ship with a detachable bridge: somebody
accidentaly or deliberately pushes the wrong button and you've got a
very expensive cargo box.

Consdier building a very abbreviated "tertiary command module" in the
main body, possibly run by the "Chief of the Boat"...

What's the class naming convention? Islands? Australian States? Cartoon
cahracters?
(I imagine the class ship having the Looney Tunes Tasmanian Devil as
nose art. Wherever the "nose" might be.


--
C.
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forkliftramp.com

External


Since: Apr 11, 2005
Posts: 165



(Msg. 4) Posted: Mon Sep 04, 2006 2:55 pm
Post subject: Re: Interstellar Transport Ship TASMANIA (late 21C setting)... [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On 4 Sep 2006 07:40:26 -0700, "Elvis" <esviesso RemoveThis @yahoo.com> wrote:


>
>NICE DESIGN JOB! I would RATHER adventure behind Stealthed Military
>Grade armor & screens, with good deflection angles,
>compartmentalization & multiple independent power sources & the maximum
>allowable firepower with hidden weapons. I dislike adventuring in a
>'BALOON' that just begs to be POPPED!


sadly elvis the design requirements for a simple cost effective
interstellar transport ship do not seem to include any of those
features. perhaps if you had a few hundred million and access to a
shipyard you could upgrade a ship to something near your standards but
then how would you expect to pay for such a toy by "adventuring"?
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Johnny1a

External


Since: Jan 06, 2005
Posts: 128



(Msg. 5) Posted: Mon Sep 04, 2006 3:49 pm
Post subject: Re: Interstellar Transport Ship TASMANIA (late 21C setting)... [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

The Rev. Dr. Lt. Chaos Israel wrote:
> Johnny1a wrote:
> > TL10 Interstellar Transporter TASMANIA
> >
> > In form TASMANIA consists of a cylindrical 'core' module containing the
> > propulsion and primary power systems, the main communications and
> > sensory systems, and of course five large (1 million cubic foot)
> > spacedocks and five (2,500,000 cubic foot) cargo holds. The core
> > module is approximately 1000 feet long, and at its midsection is ringed
> > by a set of docking units to which external modules can be attached.
> >
> > The standard external modules for TASMANIA are:
> >
> > *Two habitation modules which house the regular crew with some extra
> > space for company/public officials or other VIPs.
> >
> > *Two Command Modules containing the operational control center and main
> > computer system and the quarters for a captain and an executive officer
> > (the Command Modules are internally identical, and standard procedure
> > is for the captain of TASMANIA to inhabit the primary command module
> > and the XO to live in the secondary one for safety's sake, though this
> > is not mandatory).
> >
> > *A medical/personnel module containing medical facilities for the crew
> > (and in emergencies, for passengers).
> >
>
> Not as paranoid as Elvis, but:
>
> I'd be a bit nervous about any ship with a detachable bridge: somebody
> accidentaly or deliberately pushes the wrong button and you've got a
> very expensive cargo box.

There are precautions about that, but yes, the bridge _can_ be detached
when it shouldn't be. The Apollo Service Module could theoretically be
jettisoned when it shouldn't have been, too, but there were engineering
reasons to build it that way.

The thing is, the modularity enables the shipping company and
construction crews to customize the vehicles easily. Also, that way
they avoid duplication of equipment, they can replace one part of a
ship fo upgrade or repair without having to tear the whole structure
apart or replace everything. TASMANIA is a transport ship, and its
owners are in business to make money, so minimizing maintenance costs
are a Good Thing.
>
> What's the class naming convention? Islands? Australian States? Cartoon
> cahracters?
> (I imagine the class ship having the Looney Tunes Tasmanian Devil as
> nose art. Wherever the "nose" might be.

TASMANIA is owned by an Australian shipping company, one in which the
Australian Government has an equity share (about 20%), so it's
semi-public/mostly private. As for the name 'TASMANIA' itself, well
let's just say that the island of Tasmania is something of a sore point
with the Republic of Australia in the future (more on this later)...


Shermanlee
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Johnny1a

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Since: Jan 06, 2005
Posts: 128



(Msg. 6) Posted: Mon Sep 04, 2006 4:00 pm
Post subject: Re: Interstellar Transport Ship TASMANIA (late 21C setting)... [Login to view extended thread Info.]
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forkliftramp.com wrote:
> On 4 Sep 2006 07:40:26 -0700, "Elvis" <esviesso.RemoveThis@yahoo.com> wrote:
>
>
> >
> >NICE DESIGN JOB! I would RATHER adventure behind Stealthed Military
> >Grade armor & screens, with good deflection angles,
> >compartmentalization & multiple independent power sources & the maximum
> >allowable firepower with hidden weapons. I dislike adventuring in a
> >'BALOON' that just begs to be POPPED!
>
>
> sadly elvis the design requirements for a simple cost effective
> interstellar transport ship do not seem to include any of those
> features. perhaps if you had a few hundred million and access to a
> shipyard you could upgrade a ship to something near your standards but
> then how would you expect to pay for such a toy by "adventuring"?

As it happens, even the armor and shielding and limited offensive power
that TASMANIA does carry is only there from necessity, the Accounting
Department begrudges every penny that goes into armor and weaponry (and
every gram of mass has an energy cost to be accelerated and decelerated
and shoved around faster than light, too).

There are two schools of thought on the subject of arming the civilian
star transports in the time in question. One holds that a limited
amount of firepower can discourage pirates, casual trouble-makers,
terrorists, etc. They have some practical examples to back up their
view.

The other holds that putting firepower on the ships still doesn't make
them a match for real fighting machines and military weaponry, and
won't stop serious opponents, and may encourage the crews to take
needless risks. They can back up their views with examples, too.

(Plus the risk of legal troubles if the TASMANIA or one of her sister
ships does burn something out of the sky that they shouldn't have.
It's a low risk, but a real one, and the company lawyers know it.)

So, the compromise values of armor and firepower.


Shermanlee
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Johnny1a

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Since: Jan 06, 2005
Posts: 128



(Msg. 7) Posted: Tue Sep 05, 2006 9:25 am
Post subject: Re: Interstellar Transport Ship TASMANIA (late 21C setting)... [Login to view extended thread Info.]
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Ingo Siekmann wrote:
> Johnny1a schrieb:
> -snip
> > (Plus the risk of legal troubles if the TASMANIA or one of her sister
> > ships does burn something out of the sky that they shouldn't have.
> > It's a low risk, but a real one, and the company lawyers know it.)
>
> Not to mention that something that can accelerate with more than 8 gs
> for months is weapon of mass destruction...
>
> Bye
> Ingo

That's true, but TASMANIA (and other ships in my future setting)
_can't_ do that.

Conservation of energy applies, in order to accelerate at 8 gravities
for months, TASMANIA would have to provide enough energy to do that,
and her power plant can't even get close to that. The 'dimensionator'
engine is not truly reactionless, it reacts against the external masses
of the universe, making it highly efficient, but you still have to
provide the energy.

Also, the engines can't run indefinitely, they have to cycle down to
cool off and they require maintenance.

So TASMANIA is not a potential R-bomb.


Shermanlee
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Ingo Siekmann

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Since: Nov 06, 2004
Posts: 30



(Msg. 8) Posted: Tue Sep 05, 2006 12:55 pm
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Johnny1a schrieb:
>
> TL10 Interstellar Transporter TASMANIA
-snip long nice description

Okay, seems to be what in modern shipping is called a barge-carrier.
Very well done.
But WTH are thrust dimensionators? Something like reactionless
thrusters?
Or something new from Space 4th Ed.?

Bye
Ingo
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Ingo Siekmann

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Since: Nov 06, 2004
Posts: 30



(Msg. 9) Posted: Tue Sep 05, 2006 12:55 pm
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Johnny1a schrieb:
-snip
> (Plus the risk of legal troubles if the TASMANIA or one of her sister
> ships does burn something out of the sky that they shouldn't have.
> It's a low risk, but a real one, and the company lawyers know it.)

Not to mention that something that can accelerate with more than 8 gs
for months is weapon of mass destruction...

Bye
Ingo
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Johnny1a

External


Since: Jan 06, 2005
Posts: 128



(Msg. 10) Posted: Tue Sep 05, 2006 6:59 pm
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forkliftramp.com wrote:
> On 5 Sep 2006 09:25:40 -0700, "Johnny1a" <shermanlee1.RemoveThis@hotmail.com>
> wrote:
>
> >
> >Ingo Siekmann wrote:
> >> Johnny1a schrieb:
> >> -snip
> >> > (Plus the risk of legal troubles if the TASMANIA or one of her sister
> >> > ships does burn something out of the sky that they shouldn't have.
> >> > It's a low risk, but a real one, and the company lawyers know it.)
> >>
> >> Not to mention that something that can accelerate with more than 8 gs
> >> for months is weapon of mass destruction...
> >>
> >> Bye
> >> Ingo
> >
> >That's true, but TASMANIA (and other ships in my future setting)
> >_can't_ do that.
> >
> >Conservation of energy applies, in order to accelerate at 8 gravities
> >for months, TASMANIA would have to provide enough energy to do that,
> >and her power plant can't even get close to that. The 'dimensionator'
> >engine is not truly reactionless, it reacts against the external masses
> >of the universe, making it highly efficient, but you still have to
> >provide the energy.
> >
> >Also, the engines can't run indefinitely, they have to cycle down to
> >cool off and they require maintenance.
> >
> >So TASMANIA is not a potential R-bomb.
> >
> >
> > Shermanlee
>
> tasmania has the juice to run the engines and the acceleration is
> relative to the mass loaded aboard so she would have the energy to
> boost to very high speeds. at 8 g's you add 288 km/s to your speed
> and in a thousand hours or so you would in theory hit the speed of
> light. you may want to reconsider her potential status as a bomb of
> epic proportions.

No, she _doesn't_ have the juice the run the engines indefinitely. She
can't even sustain it for 24 hours at 8G, much less 1000.

After 24 hours of steady acceleration at 8 gravities, TASMANIA would
have a velocity (relative to the starting point) of ~4233 miles/sec
(6773 km/sec) or 2.27% of light-speed. That's slow enough that we can
neglect the effects of relativity, so...

TASMANIA has an unloaded mass (it has to be unloaded to make 8G) of
~3946 metric tons (3,946,000,000 grams), so we have 3,946,000,000 grams
at 4233 miles/sec, which for convenence we convert to cm/sec which
gives us 677,280,000 cm/sec.

So...

KE=1/2M(V^2)

KE=[(.5)(3,946,000,000)] * [(677,280,000)^2]

KE=[1.973*10^9] * [4.587 * 10^17]

KE= ~9.0*10^26 ergs or 2.5*10^13 kW-h or roughly 21 gigatons of TNT

Yeah, that'd be a big bang, all right! Very Happy

The problem is that the power plant on TASMANIA can't _begin_ to
provide that kind of power.

The power plant generates 28 gigawatts, which after 24 hours would add
up to 672,000,000 kW-h. Even if the propulsion system is 100%
efficient (it is very high, but there are losses) and every milliwatt
went into the drive it's not even a thousandth enough to accelerate at
8 gees for 24 hours. In fact, at 100% efficiency the power plant can
get TASMANIA up to about 22 miles/sec in 24 hours, for an _average_
acceleration of .04G. After 1000 hours of eating every watt, TASMANIA
would be able to achieve about 104 miles/sec relative to her starting
point, assuming 100% efficiency. In practice it would be less.

TASMANIA can start accelerating at 8 gees unloaded, but she can't keep
it up for long because of the limits of conservation of energy and
momentum. The drive isn't truly reactionless, momentum is conserved
because other masses in the Universe change velocity to balance the
gain for TASMANIA, so it gets harder and harder to keep accelerating.
The difference in mass between ship and Universe is so great that it
_looks_ reactionless, but it isn't.

The limiting factor is how fast the power plant can deliver power, and
how much fuel the power plant contains, that's TASMANIA's 'delta-V'.

TASMANIA can cheat light-speed by shifting into different frameworks
where lightspeed is effectively faster, but it still has to pay for its
velocity relative to the speed of light in a given frame. The
frame-shift has energy-costs, too.

It can 'cheat' by using gravity assist to gain or shed velocity, too,
like any other spacecraft, but that has its own limitations.

In my world, if you want to build an R-bomb, you have to tap an energy
source big enough to accelerate it.


Shermanlee
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The Rev. Dr. Lt. Chaos Is

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Since: Aug 27, 2006
Posts: 108



(Msg. 11) Posted: Tue Sep 05, 2006 7:05 pm
Post subject: Re: Interstellar Transport Ship TASMANIA (late 21C setting)... [Login to view extended thread Info.]
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forkliftramp.com wrote:
> On 4 Sep 2006 16:00:02 -0700, "Johnny1a" <shermanlee1.DeleteThis@hotmail.com>
>
> oh goodie design by committee. net result is you have just enough
> firepower and armour to cheese off the guys with real guns.

Annoying, but realistic. Smile

--
C.
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forkliftramp.com

External


Since: Apr 11, 2005
Posts: 165



(Msg. 12) Posted: Tue Sep 05, 2006 8:55 pm
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On 4 Sep 2006 16:00:02 -0700, "Johnny1a" <shermanlee1.DeleteThis@hotmail.com>
wrote:

>
>forkliftramp.com wrote:
>> On 4 Sep 2006 07:40:26 -0700, "Elvis" <esviesso.DeleteThis@yahoo.com> wrote:
>>
>>
>> >
>> >NICE DESIGN JOB! I would RATHER adventure behind Stealthed Military
>> >Grade armor & screens, with good deflection angles,
>> >compartmentalization & multiple independent power sources & the maximum
>> >allowable firepower with hidden weapons. I dislike adventuring in a
>> >'BALOON' that just begs to be POPPED!
>>
>>
>> sadly elvis the design requirements for a simple cost effective
>> interstellar transport ship do not seem to include any of those
>> features. perhaps if you had a few hundred million and access to a
>> shipyard you could upgrade a ship to something near your standards but
>> then how would you expect to pay for such a toy by "adventuring"?
>
>As it happens, even the armor and shielding and limited offensive power
>that TASMANIA does carry is only there from necessity, the Accounting
>Department begrudges every penny that goes into armor and weaponry (and
>every gram of mass has an energy cost to be accelerated and decelerated
>and shoved around faster than light, too).
>
>There are two schools of thought on the subject of arming the civilian
>star transports in the time in question. One holds that a limited
>amount of firepower can discourage pirates, casual trouble-makers,
>terrorists, etc. They have some practical examples to back up their
>view.
>
>The other holds that putting firepower on the ships still doesn't make
>them a match for real fighting machines and military weaponry, and
>won't stop serious opponents, and may encourage the crews to take
>needless risks. They can back up their views with examples, too.
>
>(Plus the risk of legal troubles if the TASMANIA or one of her sister
>ships does burn something out of the sky that they shouldn't have.
>It's a low risk, but a real one, and the company lawyers know it.)
>
>So, the compromise values of armor and firepower.
>
>
> Shermanlee

oh goodie design by committee. net result is you have just enough
firepower and armour to cheese off the guys with real guns.
it would almost be easier to carry a dedicated little warboat which
can be dropped if there is danger in the offing or not carried if
there is no perceived threat on the route.
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forkliftramp.com

External


Since: Apr 11, 2005
Posts: 165



(Msg. 13) Posted: Tue Sep 05, 2006 8:55 pm
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On 5 Sep 2006 09:25:40 -0700, "Johnny1a" <shermanlee1 RemoveThis @hotmail.com>
wrote:

>
>Ingo Siekmann wrote:
>> Johnny1a schrieb:
>> -snip
>> > (Plus the risk of legal troubles if the TASMANIA or one of her sister
>> > ships does burn something out of the sky that they shouldn't have.
>> > It's a low risk, but a real one, and the company lawyers know it.)
>>
>> Not to mention that something that can accelerate with more than 8 gs
>> for months is weapon of mass destruction...
>>
>> Bye
>> Ingo
>
>That's true, but TASMANIA (and other ships in my future setting)
>_can't_ do that.
>
>Conservation of energy applies, in order to accelerate at 8 gravities
>for months, TASMANIA would have to provide enough energy to do that,
>and her power plant can't even get close to that. The 'dimensionator'
>engine is not truly reactionless, it reacts against the external masses
>of the universe, making it highly efficient, but you still have to
>provide the energy.
>
>Also, the engines can't run indefinitely, they have to cycle down to
>cool off and they require maintenance.
>
>So TASMANIA is not a potential R-bomb.
>
>
> Shermanlee

tasmania has the juice to run the engines and the acceleration is
relative to the mass loaded aboard so she would have the energy to
boost to very high speeds. at 8 g's you add 288 km/s to your speed
and in a thousand hours or so you would in theory hit the speed of
light. you may want to reconsider her potential status as a bomb of
epic proportions.
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