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Weapons & Equipment » Search » Environmental Sealing
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General Details
Name: Environmental Sealing
Type (Category): Equipment (Other)
Reference: TechManual (p. 216)
Description:
Unlike BattleMechs, aerospace fighters, submersible vehicles and DropShips—which all incorporate this technology by design—many Support Vehicles and IndustrialMechs lack the hermetic sealing to operate in toxic environments, vacuum or even underwater. At an added cost in chassis mass, however, environmental sealing can be added to many of these units, incorporating air tanks, filters, scrubbers and airtight sealing.
This process allows for the crew cabins, cockpits and critical parts to function normally in such hostile environments, albeit at an increased cost. Even though environmental sealing protects the pilots and crews of units so equipped and enables their parts to move properly, don’t expect the likes of a Tyron 25 internal combustion engine to function when completely submerged, even with full sealing. Such engines, after all, still need to take in air to burn their fuel. Achieving full functionality irrespective of environment can only be attained by vehicles and units that are not only sealed, but whose engines also don’t need to breathe air (such as fuel cell, fission or fusion plants).
Game Rules:
IndustrialMechs with environmental sealing may enter Depth 1 Water, but cannot be fully submerged unless they incorporate both environmental sealing and a Fission, Fusion or Fuel Cell engine.
Unit Type Availability
IndustrialMechs
Inner Sphere Data (IndustrialMechs)
| Prototype Date: | ~2300 |
| Production Date: | 2350 |
| Extinction Date: | — |
| Recovery Date: | — |
IndustrialMech Specific Construction Rules
May be mounted on Inner Sphere units in accordance with the following construction rules:
 Requires one critical slot to be allocated in each of the Arms, Head, Legs, and Torsos May mount up to one per unit WEAPONS AND EQUIPMENT COMBAT AND CONSTRUCTION TABLE
Heat
Damage
Range
Rating
Availability
Cost (C-bills)
Weight (Tons)
Criticals
Battle Value
Direct-Fire
Explosive
0
–
–
C
C-C-C-C
225xTT
*
*
—
—
—
* See rules for this equipment TT = Total Unit Tonnage RULES LEVEL PROGRESSION TABLE
Start Year
End Year
Rules Level
ALPHA STRIKE WEAPON CONVERSION TABLE
Heat
Short Medium Long Extreme Special Abilities
—
— — — — Environmental Sealing
Special Unit Abilities
The special unit abilities described here are intended for use with the Alpha Strike rule system:
Environmental Sealing (SEAL)
A unit with this special ability may operate in hostile environments (including underwater, vacuum, and so forth). Aerospace units, ProtoMechs, combat vehicles, and support vehicles built as submarines are automatically treated as if they have this ability.
MegaMek Output → Critical Slot: Environmental Sealing
Record Sheet Output → Critical Slot: Environmental Sealing
Clan Data (IndustrialMechs)
| Prototype Date: | ~2300 |
| Production Date: | 2350 |
| Extinction Date: | — |
| Recovery Date: | — |
IndustrialMech Specific Construction Rules
May be mounted on Clan units in accordance with the following construction rules:
Requires one critical slot to be allocated in each of the Arms, Head, Legs, and Torsos May mount up to one per unit WEAPONS AND EQUIPMENT COMBAT AND CONSTRUCTION TABLE
Heat
Damage
Range
Rating
Availability
Cost (C-bills)
Weight (Tons)
Criticals
Battle Value
Direct-Fire
Explosive
0
–
–
C
C-C-C-C
225xTT
*
*
—
—
—
* See rules for this equipment TT = Total Unit Tonnage RULES LEVEL PROGRESSION TABLE
Start Year
End Year
Rules Level
ALPHA STRIKE WEAPON CONVERSION TABLE
Heat
Short Medium Long Extreme Special Abilities
—
— — — — Environmental Sealing
Special Unit Abilities
The special unit abilities described here are intended for use with the Alpha Strike rule system:
Environmental Sealing (SEAL)
A unit with this special ability may operate in hostile environments (including underwater, vacuum, and so forth). Aerospace units, ProtoMechs, combat vehicles, and support vehicles built as submarines are automatically treated as if they have this ability.
MegaMek Output → Critical Slot: Environmental Sealing
Record Sheet Output → Critical Slot: Environmental Sealing
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