Empress Troyhune class Planetoid Monitor

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Empress Troyhune class Planetoid Monitor
Imperial Sunburst-Sun-IISS-Traveller.gif
Large, powerful Planetoid Monitor.
Type: BM Monitor
Also see Planetoid Monitor
Blueprint Yes
Canon Yes. Published, canon starship design.
Cargo 9,000 Tons
Cost MCr21,795.34247: Standard
MCr17,436.27: In Quanity
Crew 64 officers, 341 ratings, 20 pilots
Officers 64
Enlisted 341
Hardpoints 490
Hull Planetoid Hull
Jump J-0
Maneuver 6 G
Model Model/9 fib
Origin Third Imperium
Passengers 0 High/Med 0 Low
QSP TBD
Reference Fighting Ships 44-45.
Size 50,000 Tons
Streamlining Unstreamlined Hull
Tech Level TL–15
USP PX-P9069G3-640600-650J7-2
Starships are designed with the Classic Traveller format, using High Guard.

The Empress Troyhune class Planetoid Monitor is a massive, defensive warship.

Description (Specifications)[edit]

The Empress Troyhune is very inexpensive for a vessel of its size; compare the Ghalalk class Heavy Crusier. Saving has resulted from several factors. First, the planetoid hull is very cheap in comparison to a manufactured hull, especially if the cost of armor protection, integral to the planetoid, is included. Second, the cost of a jump drive is immense, and its elimination presented a considerable saving. Yet despite its low cost, the monitor would almost certainly emerge the victor in a battle with the Armored Cruiser, even with a fifth of its tonnage unused. If the monitor were refitted with triple turrets and additional weapons or defenses were mounted in the unused space, at a not very considerable additional expense, it superiority would be even greater. Planetoid-hulled monitors thus have an obvious appeal to planetary navies unconcerned with large scale naval maneuvering. [1]

This design also illustrates some of the advantages possessed by battleriders versus battleships, although the cost advantages are largely eliminated when the cost of the Fleet Tender is included. Still, a squadron of eight 50,000 ton battleriders in a million ton tender approximates in price two Tigress class Dreadnoughts, yet possess much greater firepower and survivability. [2]

Image Repository[edit]

No information yet available.

Basic Ship Characteristics[edit]

Following the Imperial Navy and IISS Universal Ship Profile and data, additional information is presented in the format shown here. The small craft factor indicates the number of squadrons (of ten craft) carried on the ship. Tonnage on the universal ship profile is shown in kilotons (thousands of tons) where necessary. [3]

Basic Ship Characteristics [4]
#. Category Remarks
1. Tonnage / Hull 50,000 tons standard or 50 ktons. 700,000 cubic meters. [5]
2. Crew x64 officers. X341 ratings. X20 pilots. [6] Total: 425 crew.
3. Performance No jump drive.
4. Electronics Model/9 fib computer. [8]
5. Hardpoints One spinal mount. No bays. 490 hardpoints. [9] 500 possible hardpoints. [10]
6. Armament One meson gun spinal mount (Factor-J). 100 dual laser turrets organized into 20 batteries. 20 dual fusion gun turrets organized into 5 batteries. 90 dual missile turrets organized into 30 batteries. [11]
7. Defenses Ninety triple sandcaster turrets organized into thirty batteries. Nuclear damper (Factor-6). Integral hull armor (Factor-6). [12]
8. Craft Twenty heavy fighters. One launch tube. [13]
9. Fuel Treatment No scoops. Fuel purification plant. Fuel provided by prepositioned fuel caches or by shuttles. [14]
10. Cost MCr21,795.34247 standard. MCr17,436.27 in quantity. [15]
11. Construction Time 30 months singly; 24 months in quantity. [16]
12. Comments None.

History & Background (Dossier)[edit]

Comments: The Empress Troyhune was originally constructed in orbit above Mora (Spinward Marches 3124) in 1067 for system defense. Budget constraints, its experimental nature, and provision for future ship expansion meant that the ship's tonnage was not fully utilized as constructed. Many turrets were installed as dual rather than triple mounts, and a sizeable fraction (nearly 9,000 tons) of the ship remained unused. Originally, it was envisioned that this 9,000 tons of space would be later committed to additional heavy fighter squadrons and launch tubes. So far, this has not been the case, although the empty interior space has proven useful in other ways. [17]

In 1101, the monitor was declared surplus to the needs of the Mora system and acquired by Rorise (Spinward Marches 3022) for system defense purposes. Transport to its new home presented somewhat of a problem, as neither of the navies of Mora or Rorise possessed a transport ship of sufficient capacity to carry the monitor, and commercial ships of that size are unknown in the Spinward Marches. An appeal to the Imperial Navy brought eventual results, and during the fleet exercise of 1104 the million-ton fleet tender Gorodish carried the Empress Troyhune to Rorise in place of one of its Hadrian class Battle Riders. [18]

The Empress Troyhune is very inexpensive for a vessel of its size when compared to an armored cruiser. Savings have resulted from several factors. First, the planetoid hull is very cheap in comparison to a manufactured hull, especially if the cost of armor protection, integral to the planetoid, is included. Second, the cost of a jump drive is immense, and its elimination presented a considerable saving. Yet despite its low cost, the monitor would almost certainly emerge the victor in a battle with the armored cruiser, even with almost a fifth of its tonnage unused. If the monitor were to be refitted with triple turrets and additional weapons or defenses mounted in the unused space, at a not very considerable additional expense, its superiority would be even greater. Planetoid-hulled monitors thus have an obvious appeal to planetary navies unconcerned with large scale naval maneuvering. [19]

Class Naming Practice/s & Peculiarities[edit]

The Empress Troyhune class are named after famous empresses, famed leaders of distinguishment, or nobles of high standing. [20]

The class is known for their often partially finished states of construction. They are often left open to further expansion or development. Armament can vary greatly by system, model, and shipyard. [21]

Selected Monitor Variant Classes[edit]

Planetoid Monitors:

References & Contributors (Sources)[edit]

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This article was copied or excerpted from the following copyrighted sources and used under license from Far Future Enterprises or by permission of the author.

  1. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 44.
  2. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 45.
  3. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 10.
  4. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 10.
  5. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 44.
  6. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 44.
  7. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 44.
  8. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 44.
  9. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 44.
  10. An unpublished factoid written by Maksim-Smelchak
  11. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 44.
  12. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 44.
  13. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 44.
  14. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 44.
  15. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 44.
  16. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 44.
  17. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 44.
  18. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 44.
  19. Timothy B. Brown. Fighting Ships (Game Designers Workshop, 1981), 44.
  20. An unpublished factoid written by Maksim-Smelchak
  21. An unpublished factoid written by Maksim-Smelchak