Extended Range Beam Lasers

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Extended Range Beam Lasers, or ERBLs, are an upgraded version of Standard Lasers and have a marked range advantage compared all other laser weapons.


Extended Range Beam Lasers effective at greater range than Standard Lasers, however they produce noticeably more heat. Like Standard Lasers and Heavy Lasers, ERBL's deal damage over time, requiring the beam to be maintained on the target (or better, the same location on the target) for the duration of it's beam for maximum effect. Although generally superior to Standard Lasers, the additional heat load can cause problems for units which mount many energy weapons and especially in environments with a higher ambient temperature.

The Clan versions of ERBL's have slightly improved range and noticeably improved damage, but also produce significantly more waste heat.

Weapon Stats

All stats are current as of release 0.8.6.

Weapon Listed Range Heat Damage Damage Type Secondary Damage Secondary Damage Type Splash Radius Beam Duration Shots/min Overheat Cooldown Mech Damage/sec Mech Damage/Heat Heat/sec Notes
Air ERSBL 500m 18.65 145.53 Energy-Air --- --- --- 0.5s 19.05 --- --- 46.2 7.8 5.92 ---
ERSBL 400m 18.65 145.53 Energy --- --- --- 0.5s 19.05 --- --- 46.2 7.8 5.92 ---
Air ERMBL 650m 46.62 260.4 Energy-Air --- --- --- 0.5s 13.3 --- --- 57.74 5.59 10.33 ---
ERMBL 600m 46.62 260.4 Energy --- --- --- 0.5s 13.3 --- --- 57.74 5.59 10.33 ---
ERLBL 800m 114.68 555.09 Energy --- --- --- 0.5s 9.98 --- --- 92.36 4.84 19.08 ---
Weapon Listed Range Heat Damage Damage Type Secondary Damage Secondary Damage Type Splash Radius Beam Duration Shots/min Overheat Cooldown Mech Damage/sec Mech Damage/Heat Heat/sec Notes
Air CERSBL 550m 27.97 181.91 Energy-Air --- --- --- 0.5s 19.05 --- --- 57.75 6.5 8.88 ---
CERSBL 450m 27.97 181.91 Energy --- --- --- 0.5s 19.05 --- --- 57.75 6.5 8.88 ---
Air CERMBL 750m 75.3 363.31 Energy-Air --- --- --- 0.5s 13.3 --- --- 80.56 4.83 16.69 ---
CERMBL 700m 75.3 363.31 Energy --- --- --- 0.5s 13.3 --- --- 80.56 4.83 16.69 ---
CERLBL 900m 176.88 692.31 Energy --- --- --- 0.5s 9.98 --- --- 115.19 3.92 29.42 ---


ERSBL's and ERMBL's are still best used as short to mid-range weapons, focusing damage upon a single component, or raking across critically damaged sections. The CERMBL has the range to be used in medium to longer range engagements. The additional range and damage are a much appreciated boost, however, and even with the additional heat load the IS variants don't produce too much waste heat when fired. Additional trigger discipline is required with CERMBL, as sustained firing (despite consistent, efficient damage for their mass) produces much higher heat loads. While units packing large groups of CERMBL are frightening to face, they produce an equally frightening amount of heat to be dissipated, and such units may only get one or two bursts before nearing shutdown. Chain firing, or non-standard weapon groupings can help mitigate this.


The ERLBL is best used from sniping positions where a unit can safely pick away at enemy units and there is time to dissipate the intense heat generated when firing the weapon. It is worth noticing that the CERLBL has damage similar to the AC20 and UAC10 but much better range and much lower rate of fire. Because of the long duration of the beam these weapons are not very effective in close quarters against rapidly maneuvering targets. While Inner Sphere ERLBL lack some of the range and punch of their Clan tech counterparts, they are more efficient heatwise and should not be underestimated. Likewise, few units can fire more than two CERLBL at once due to the massive heat load.


Newhart Industries located on New Earth in Terran Hegemony introduced the ERLBL in 2620. The ERLBL became the central focus of the HSR-200-D Hussar BattleMech released five years later, and the success of the 'Mech's blend of speed and its single powerful weapon entrenched Newhart Industries as one of the principle weapon manufacturers of the Terran Hegemony.

Although the Succession Wars would cause the Inner Sphere to lose the technology in 2950, the Clans applied the concept to other laser sizes and produced the ERMBL and ERSBL during the 2820's. Clan Smoke Jaguar would later also introduce he ER Micro Beam Laser in 3060 as part of their ProtoMech project, just before being annihilated in Operation Bulldog.

As with all lost Star League-era technology, plans for the ERLBL were recovered in the Inner Sphere with the discovery of the Helm Core and the weapon entered wide deployment in Inner Sphere forces first with the Draconis Combine in 3037. Later, after contact with the Clans, the Inner Sphere would also develop their own versions of the ERMBL and ERSBL, with the Free Worlds League releasing the first ones in 3058.

Clan ER Lasers have both improved range and deal more damage then the Inner Sphere versions of the weapons.


The following vehicles equip these weapons.


See Also