BattleMech Technical Readout
Name/Model: Sentinel STN-3LCWC
Designer: khanwolverine
Source(s): Custom Mordel.Net Units
Technology: Clan
Technology Rating: F
Tonnage: 40
Configuration: Biped BattleMech
Era/Year: Clan Invasion / 3061
Rules (Current): Tournament Legal
Rules (Era): Tournament Legal
Rules (Year): Tournament Legal
Total Cost: 6,999,230 C-Bills
Battle Value: 1,488
Chassis: Endo Steel
Power Plant: 240 XL
Walking Speed: 64.8 kph
Maximum Speed: 97.2 kph
Jump Jets: Standard
Jump Capacity: 180 meters
Armor: Ferro-Fibrous
Armament:
1 Ultra AC/10
1 ER Medium Laser
1 Streak SRM 2
1 ER Small Laser
Manufacturer: Defiance Industries
Primary Factory: Hesperus II
Communications: StarLink/Benicia Model AS829G
Targeting & Tracking: Unknown
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Overview:
The STN-3L Sentinel is a medium BattleMech, though its 40-ton mass puts it at the low end of
its class. Designed to provide battalion-level BattleMech support for infantry and
light-armor units, the 'Mech has good maneuverability, long-range hitting power, and an
advanced communications system. Equipped with the powerful VidCom-17 and Targa-7 long-range
targeting and tracking system, the Sentinel is ideal for use in patrols or as a mobile
observation post. The 'Mech also carries a StarLink/Benicia Model AS829G communications
system. Capable of simultaneous operation on multiple frequencies, this system not only
allows the Sentinel to monitor closely and to command units operating under it, but also
keeps the 'Mech in close contact with rear-area artillery units, calling for fire when
needed.
Defiance Industries first produced the Sentinel in 2651 for use by House Steiner's
private army. The 'Mech appeared one year after the Star League Council had passed an
amendment allowing the Council Lords to double their personal household forces. Originally
intended for infantry support, the 'Mech soon moved on to the role of guarding military
installations and major land holdings of the Steiner family. By the early 28th Century, the
design was also in use by the Star League Defense Forces as well as the Davion and Marik
private armies.
Capabilities:
The STN-3L's 40-ton frame is powered by the 11.5 ton, Pitban 240 fusion engine, giving the
'Mech a walking speed of 65.4 kph and a top running speed of 97.1 kph. Shortly after the
'Mech's original deployment, concern arose over the choice of the Pitban 240 because of
rumors about shielding problems with the Pitban 240s that Defiance Industries was producing
under license. After a number of Sentinels were pulled from the field because of chronic
over-heating, an investigation took place. This investigation found that the heat
circulation system was at fault, rather than the engine shielding. The faulty components
were replaced in most existing 'Mechs and all later production versions.
The Sentinel is well-equipped for combat, carrying a single KWI-5 Ultra Autocannon, a
single Defiance Streak-2 SRM Launcher, and a single Defiance B-1A Small Laser. Kawabata
Weapons Inc. produced the AC/5 Ultra especially for Defiance Industries. The weapon gives
the 'Mech good long-range fire capability, with an effective range exceeding that of LRMs
and standard AC/5s. Another special feature of this weapon is its ability to fire rounds at
double the rate of a standard AC/5. Though this autocannon fire is not as accurate as would
be a pair of standard AC/5s, the Ultra does give an equivalent volume of fire.
Unfortunately, besides generating much heat and burning through ammunition supplies
quickly, the extremely high rate of fire has caused some other major problems, particularly
on the early STN-3Ls. When fired at its maximum rate, the weapon vibrates violently, causing
the internal circuitry in the BattleMech's weapon arm to fail. This often causes a total
loss of control of the arm, effectively rendering the AC/5 useless and cutting the
Sentinel's combat capabilities almost in half. Though repairs for this problem are simple,
the problem keeps the 'Mech out of combat for half an hour or more during repairs.
The current STN-3L has been modified to reduce the chance of disturbances to circuitry.
Even these modifications have not solved the problem totally, with an estimated 3 percent
chance that the problem will occur whenever the AC/5 Ultra fires at its maximum rate.
The Sentinel was not designed to engage in close combat, relying instead on its AC/5
Ultra to hold off enemy units at long range, but it can defend itself if an enemy gets
close. Tucked away inside the Sentinel's right torso is its Defiance Streak-2 SRM Launcher,
linked to a Targa-7 fire control system. This short-range missile system is designed to
guarantee a hit against any target onto which the pilot can get a lock. A special feature of
this system prevents the weapon from firing at a target when there is no lock-on. This saves
ammunition by preventing shots that would miss anyway. Unlike a standard SRM, whose shotgun
effect may result in some misses and some hits, the Streak SRM hits with all its missiles.
This gives the unit the ef
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Equipment Mass
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Internal Structure: Endo Steel 2.00
Engine: 240 XL 6.00
Walking MP: 6
Running MP: 9
Jumping MP: 6
Heat Sinks (Double): 10 [20] 0.00
Gyro: Standard 3.00
Cockpit: Standard 3.00
Armor Factor: 137 7.50
Type: Ferro-Fibrous
Internal Armor
Structure Value
Head: 3 9
Center Torso: 12 20
Center Torso (rear): 4
R/L Torso: 10 16
R/L Torso (rear): 4
R/L Arm: 6 12
R/L Leg: 10 20
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Weapons and Ammo Location Critical Tonnage
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ER Medium Laser H 1 1.00
2 Jump Jets CT 2 1.00
ER Small Laser RT 1 0.50
2 Jump Jets RT 2 1.00
Streak SRM 2 RT 1 1.00
Streak SRM 2 (Ammo 50) RT 1 1.00
2 Jump Jets LT 2 1.00
Ultra AC/10 LA 4 10.00
Ultra AC/10 (Ammo 20) LA 2 2.00
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Alpha Strike Statistics
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Point Value (PV): 36
TP: BM, SZ: 2, TMM: 2, MV: 12"j
Damage: (S) 4 / (M) 4 / (L) 2, OV: 0
Armor (A): 5, Structure (S): 2
Specials: CASE
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