Sentinel

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Sentinel
Sentinel
Production information
Manufacturer Defiance Industries
Model STN-3L
Class Medium
Cost 3,292,030 C-bills
Technical specifications
Mass 40 tons
Chassis Defiant V
Armor Valiant Lamellor
Engine Pitban 240
Speed 97.2 km/h
Jump Jets None
Armament
BV (1.0) 614
BV (2.0) 717


Description

The Sentinel is a medium BattleMech built by Defiance Industries, originally only for house Steiner, as an infantry support 'Mech. The Sentinel gained in popularity though, and by the early twenty-eight century was being used in the SLDF and by houses Marik and Davion. The Sentinel has several features that attracted the use of so many interstellar nations. Among those reasons were the unique weapons that it carried at the time. The Sentinel had a critical flaw which was originally blamed on its engine. After testing, it was found that the Pitban 240 in use was not the cause, but that there was a flaw in the cooling system for the Sentinel that required a reworking of that system in the units that had already reached the field, resulting in a redesign of the cooling system by Defiance in all future models.

Armament

The Sentinel carries a somewhat unique, and some would even say haphazardly, arrayed armament. The primary weapon on the Sentinel is a KWI Ultra Autocannon/5. This weapon is capable of firing at double the rate of a standard AC/5. The system does have a slight chance of failure of the firing circuitry, making the autocannon useless until repaired. The rest of the weaponry is all short ranged, including a Defiance B-1A Small Laser and a Defiance Streak SRM-2. The Streak SRM is one of the things that attracted buyers to the design; because the weapon will only fire if it gains a lock, the entire salvo is virtually guaranteed to hit.

Variants

  • STN-1S - The 1S Sentinel was the original production model commissioned by House Steiner in 2651. The 1S lacks the advanced technologies of the 3L, mounting an AC/5 instead of the Ultra AC/5 and an SRM-4 instead of the Streak SRM-2. The 1S also mounts a half ton more armor, but is otherwise identical to the 3L. After years of hassles and bureaucratic maneuvering, all Lyran 1S Sentinels were eventually upgraded to 3L, only to be all but destroyed during the Succession Wars.[1]
  • STN-3K - The 3K Sentinel is the downgraded version of the 3L model. The Ultra Autocannon and Streak SRM have both been downgraded to their standard versions. The speed of the 'Mech has stayed the same, and the armor has actually been improved by one half ton. BV (1.0) = 536, BV (2.0) = 652
  • STN-3M - The 3M carries attributes of both the 3L and 3K Sentinels. The 'Mech carries the Ultra Autocannon/5 of the 3L model, but also the standard SRM-2 of the 3K. In addition, the Small Laser has been upgraded to a Medium Laser and the armor is the same as the -3L model. BV (1.0) = 655, BV (2.0) = 758
  • STN-4D - The 4D adds a Davion touch to the Sentinel. The SRM launcher has been completely done away with on this model and the Ultra Autocannon/5 has been replaced with a rotary model. The Medium Laser from the 3M version has been upgraded to an ER Medium Laser, and its five and a half tons of standard armor have been replaced with seven tons of Ferro-Fibrous armor. BV (1.0) = 1,064, BV (2.0) = 1,179
  • STN-5WB - This variant was produced by Defiance after it was lost to Word of Blake during the Jihad. Built on the same chassis as the 3L, the 5WB removes the weapons and adds a ton of armor. It uses a Light Engine for power, allowing it to mount a pair of Light Autocannon/5s that are fed from a single, one-ton ammunition bin. Three ER Medium Lasers back up the autocannon. BV (2.0) = ???
  • STN-C - The STN-C is an upgrade of the design made to carry a C3 Slave Unit. The laser was removed from the 3K in order to add the electronics package. BV (1.0) = 586, BV (2.0) = 689

References

  1. ↑ Technical Readout: 3050 Upgrade, pg. 194

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