Darrian Harmonic Light Cruiser 30,000 tons TL 15

I can completely ignore the Maghiz and give Darrian TL16 warships with CI prototype brains, but we are then no longer in a shared universe as we have completely different interpretations of what it meant to be the common frame of reference.
You're not in a shared universe. You don't run the same universe as a single other person who has ever run Traveller. There are thousands of places where interpretation changes, events change, and of course in even the worst GM's TU, their players have an effect on the world.

So relax, embrace the freedom and stop worrying that people might be Wrong just because they interpret The Holy Canon differently.
 
Request from Michael Hunter on Facebook for a Darrian Harmonic light cruiser used for exploration and observation.
The ship is built to be a good mix between survey cruiser, observation and diplomacy ship, and combat light cruiser. It has the typical Darrian focus on defense and crew protection as well as the best stealth and a black globe generator for getting into and moving around in the target system.
While the ship's primary mission is not combat, it is more than capable of holding its own and extracting itself from a situation gone bad. Too small to mount a Meson spinal effectively, it mounts a Particle Cannon spinal, along with 50 particle barbettes as it's primary armament. This is backed up by 8 large missile bays and 100 pulse laser turrets. 50 sandcasters and 3 point defense batteries compliment the defense.

Comments on the ship:

Why the small computer? A Core/100 is a trivial cost. Darrians are supposed to be good at computers?

Software: Just include it all? Repair Drones needs Auto Repair for full effect.

Power: You have ~twice as much as you need?

Fuel Processor woefully underdimensioned. At over 100 h for jump fuel refining, you are limited to jumping every second week, severely limiting strategic movement.

Armoured bulkheads sprinkled here and there at considerable tonnage (>650 Dt), but does not protect the critical areas that disables ships: Fuel, Jump drive, and Bridge (Computer).

Particle spinal does less damage at lower range and higher cost than large Particle bays:
Skärmavbild 2026-01-18 kl. 23.45.56.png
At higher base damage, the bays are much less affected by armour, and more likely to hit...
Particle spinals need to be at least double size.

I believe you need a few more Engineers to service the small craft.

The Darrians are presumably not Impies; they don't have to use Cutters...
Seven Ship's Boats (or Slow Boats) have as much free space as ~five modules, but you can use all of them at the same time, making them more flexible and more robust in the face of damage.
Replacing the cutters with six boats, one in a full hangar, even allows you to maintain and repair them on long patrols.
 
I'm sorry...

How are "capable of constructing ships at TL15" and "Most ships are produced at TL13" contradictory?

Wouldn't the key bottleneck be more likely to be shipyard capacity, regardless of TL? I see no contradiction in the Darrians wanting more capital ships than they can easily build. Concentrate local construction on patrol craft and such and contract out their cruisers from Imperial shipyards.
 
Canon has the Imperium sending off twenty year scouting missions in jump 5 scout cruisers, the Solomani rim expeditions lasted around thirty but I would have to check that one.
 
Comments on the ship:

Why the small computer? A Core/100 is a trivial cost. Darrians are supposed to be good at computers?
Probably worth upgrading
Software: Just include it all? Repair Drones needs Auto Repair for full effect.
It has Auto Repair/1
Power: You have ~twice as much as you need?
25k allows 2 critical hit to not affect combat.
Fuel Processor woefully underdimensioned. At over 100 h for jump fuel refining, you are limited to jumping every second week, severely limiting strategic movement.
Probably true
Armoured bulkheads sprinkled here and there at considerable tonnage (>650 Dt), but does not protect the critical areas that disables ships: Fuel, Jump drive, and Bridge (Computer).
Bridge is armored. Fuel armoring takes a lot of space so didn't include it, but I'll look it over and see what is possible. I tend to not armor jump drives but it shouldn't be hard.
Particle spinal does less damage at lower range and higher cost than large Particle bays:
View attachment 7232
At higher base damage, the bays are much less affected by armour, and more likely to hit...
Particle spinals need to be at least double size.
As mentioned above, the requestor wanted a spinal.
I believe you need a few more Engineers to service the small craft.
So far as I know, the sheet calculates the engineers correctly. I'll double check once I'm out of hospital.
The Darrians are presumably not Impies; they don't have to use Cutters...
Seven Ship's Boats (or Slow Boats) have as much free space as ~five modules, but you can use all of them at the same time, making them more flexible and more robust in the face of damage.
Replacing the cutters with six boats, one in a full hangar, even allows you to maintain and repair them on long patrols.
I like cutters. But that is an easy change if you want to do it.
 
It has Auto Repair/1
Sorry, I apparently didn't read closely enough.
As a large warship it should have Adv Fire Control/3 and Fire Control/5 for the spinal at least?


25k allows 2 critical hit to not affect combat.
...
Bridge is armored. Fuel armoring takes a lot of space so didn't include it, but I'll look it over and see what is possible. I tend to not armor jump drives but it shouldn't be hard.
Crits can be repaired in the Action Phase before the next turn. Power Plant crits are not a crippling problem...
"Destroyed" fuel tanks and jump drives (Severity 4+) are crippling, but armoured bulkheads are a very weak defence.

A thousand Dton of bulkheads in a 30 000 Dt ship is a massive investment with limited utility. I would take more weapons, or for this ship more utility spaces; perhaps a chart room or even an observatory?

As mentioned above, the requestor wanted a spinal.
...
I like cutters. But that is an easy change if you want to do it.
Whatever floats your boat.
 
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