Guide:Mercury

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Mercury class scout
Mercury
Class Overview
Category scout
Operational 2154 - 2181
Constructed 72
Dimensions
Length 162.2 m
Beam 59.7 m
Height 25.9 m

32.8 m (w/ trailing sensor array)

Mass 186,800 mt
Performance
Cruise Speed w 3
Max Speed w 4.2
Endurance 6 months
Complement
Officers 14
Enlisted 48



Tactical Systems
Beam Weapons
  • 2x plasma cannon (2.0 GW) (forward hull)
  • 1x plasma cannon (4.5 GW) (aft of bridge)


Shields
  • polarizable armor (main hull) (original)
  • 2-layer graviton/subspace globular forcefield (refit 2164-66, select ships)
  • navigational deflector (ventral bow)
Historical
Ships of Note UESS Candace (S-5665)
Canonicity
Design Timo, using Spaceflight Chronology ship as forward pod
Name Spaceflight Chronology
History Spaceflight Chronology



Background: Hobbyist's Guide

Despite repeated attempts at establishing diplomatic communications with the reclusive Romulans, military build-up in preparation for the upcoming open war was continued. Development of new long range scoutships was initiated just prior to the first explicit overtures to the Romulan War. The aim of the Mercury project was to create lower-cost alternatives to the cruiser forces in the mission of scouting enemy positions or performing minimal-resolution evaluations of potential colony or mining worlds. The Mercury scoutships were not intended to carry the sophisticated gear of slow short range research vessels like the Edison class, nor were they equipped with any kind of heavy armament. Instead of being miniature cruisers, they essentially consisted of an outsized power and propulsion system and a minimal crew and sensor compartment.

The Mercuries were based on a twinned power and drive chain of the Cavalry class—a relatively advanced yet already proven warp propulsion system now referred to as a second-generation drive, to tell it apart from both the clumsy contraptions of the preceding century and the high-strung superengines of the modern cruisers. A compression fusion reactor sat between the conical forward ends of the slim trailing S70 warp nacelles. The monocylindrar warp field of the closely-spaced 90,000-ton engines was a tricky beast to manage, the impulse engine squeezed in between them an insufficient means of maneuvering; the crews generally compared the handling qualities of their ships to quicksilver, although apparently the origins of the class name were more pompously rooted in Roman mythology and the 20th century US space program.

The pressure hull some eight decks high was of typical Earth commercial shipbuilding lineage. It featured a bridge dome atop, accompanied by a defensive 4.5 GW plasma cannon; then three decks of sensors and their monitoring facilities, as well as officers’ accommodation and a cluster of four lifeboats; then four broad decks of crew accommodation, utility, and storage spaces, as well as a deflector system and twin forward-facing medium-power plasma guns. On select ships, a ventral scaffolding kept the deployment reel of a trailing sensor array clear of the engines.

Some 72 ships of the class were completed for reconnaissance duty either near Earth or at forward staging area dockyards that were being built to support the deployed fleets. All were deployed in deep space on missions of as long as six months, despite the cramped conditions of the compact hulls. Starfleet soon began to enjoy the profits of their investment as the new vessels brought in data on Romulan fleet movements. It was not as widely announced that six vessels were lost between June 2156 and June 2157 alone, with more casualties to follow. The locations of major Romulan planetary bases were not established, either, despite many risky deployments of single or three-ship Mercury scout units behind enemy "lines".

Scoutship UESS Candace (S-5665) being towed to Starbase Two for repairs after an encounter with Romulan forces in 2157. The ship was relaunched three months later, only to fall prey to a Romulan fighter wing stranded by the destruction of their carrier. The Candace was boarded and commandeered by the Romulans seeking a warp-drive ship that could take them home, but met the Cavalry class light destroyer UESS Jackson in deep space. The Jackson decompressed the crew compartments and managed to tow the rest of the vessel back for repairs. The Candace finally met her fate when the repair dock was suicide-bombed by Romulan missile boats in 2158.

About 50 scouts did survive the war, and 20 of them were recommissioned as UFP Star Fleet vessels, enjoying twenty years of service in the patrol forces in the Romulan Neutral Zone. The ships were unsuited to the science scout role, however, suffering from poor endurance and the inability to carry new instrumentation for survey missions. None were upgraded during their UFP Star Fleet service, save for the installation of modern subspace radios and navigation beacons.

Currently, two Mercuries survive in the Fleet Museum, albeit deprived of their warp nacelles. A dozen were converted into civilian couriers after their final decommissioning, featuring more modern commercially-available navigational deflectors and omitting the weaponry and most of the sensors. Automation further reduced the crew numbers, but the challenges of the closely-spaced trailing nacelles required expert spacemanship from the remaining crew. This only served to attract and encourage starship enthusiasts, some of whom still keep Mercuries in sailing condition for annual regattas in the Bolian system.

Gallery

Star Fleet Registry

  • NCC-L16
  • NCC-L18
  • NCC-L35
  • NCC-L41
  • NCC-L43
  • NCC-L44
  • NCC-L52
  • NCC-L57
  • NCC-L72
  • NCC-L94
  • NCC-L101
  • NCC-L111
  • NCC-L112
  • NCC-L120
  • NCC-L135
  • NCC-L138
  • NCC-L149
  • NCC-L153
  • NCC-L176
  • NCC-L177

Notes

  • Twenty Mercuries were assigned to the UFP Star Fleet, registered in the NCC-L domain.
  • Check out the history of the Doppler scout for clues on construction periods of this class.