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Weapon & Equipment Information
General Details
Name:  Medium VSP Laser
Type (Category):  Weapon (Energy)
Technology:  Inner Sphere
Available To:  BattleMechs (BM), IndustrialMechs (IM)
Reference:  Tactical Operations: Advanced Units & Equipment (p. 133)

Description:
A variation of the pulse laser concept, the variable speed pulse laser (VSP laser) uses a series of rotating lenses and electronic cut-offs. This system enables the laser to track a target and alternate the speed with which it generates its pulses, based on range to target. This effect allows the VSP a greater range than a standard pulse laser, but at less damage potential and less accuracy, while such damage and accuracy are conversely increased at shorter ranges.

Game Rules:
In game play, Variable Pulse Lasers function as pulse lasers (and are compatible with targeting computers in the same fashion) in every way, except that the to-hit modifier and damage value changes depending upon the range bracket. At short range, VSP Lasers receive a –3 to-hit modifier and their maximum damage value, while at medium range, they receive a –2 to-hit modifier and reduced damage. At long range, a VSP Laser has a –1 to-hit modifier and delivers its lowest potential damage to the target.

Against conventional infantry, VSP Lasers are treated as direct-fire energy weapons, but add 1 point for attacking infantry at long range, 2 points for medium range and 3 points for short. For example, a Large VSP Laser (damage 11/9/7) attacking infantry at short range would inflict 5 casualties ([11 damage at short ÷ 10 = 1.1, round up to 2] + 3 for VSP short range = 5), while a Small VSP Laser hitting infantry at long range would strike only 2 troopers ([3 damage at long ÷ 10 = 0.3, round up to 1] + 1 for VSP long range = 2).

Construction Rules:
May be mounted on any available unit type in accordance with the unit’s standard construction rules.
Inner Sphere Data
Prototype Date:  3070
Production Date:  3072
Extinction Date:  —
Recovery Date:  —

WEAPONS AND EQUIPMENT COMBAT AND CONSTRUCTION TABLE
Heat (Aero)
Damage (Aero)
Range (Aero)
Rating
Availability
Cost (C-bills)
Weight (Tons)
Criticals
Battle Value
Direct-Fire
Explosive
7 (7)
9/7/5 (7)
–/2/5/9 (Short)
E
X-X-E-D
200,000
4
2
56.000

Additional Construction Rules
The following construction rules extend the ones previously listed and are applicable for this technology base:
 May be equipped with a Laser Insulator

RULES LEVEL PROGRESSION TABLE
Start Year
End Year
Rules Level
3070
3071
Experimental
3072
Advanced

ALPHA STRIKE WEAPON CONVERSION TABLE
Heat
Short
Medium
Long
Extreme
Special Abilities
6
1.035
0.648

MTF Output → Weapon List:  Medium VSP Laser
MTF Output → Critical Slot:  ISMediumVSPLaser
PDF Output → Critical Slot:  Medium VSP Laser