Friday, October 28, 2022

Mercury System IV: Multimechs

I initially posted all of these together with a to-do of adding example 'mechs made with those rules. I knew that including example 'mechs was important, but I didn't really play my hand that way. Each custom 'mech requires some discussion and review. Enough to make each rules system into its own post.

Primitive Omnimechs (a recap)
When the Inner Sphere encountered omnimechs in 3050, there had been very little like them. Yes, omnitechnology was based on the Mercury, but the Inner Sphere didn’t have anything like it. Even if they had, it wouldn’t have been the system which allowed almost unrestricted swapping of omnipods, drastically reduced repair costs, and free carry weight for battle armor. Sure it costs more C-Bills which players (and now the setting) barely use and it can’t mount actuators on a hand with a big gun, but they’re a rare technology in Battletech that’s almost 100% upside.

What if there were a different technology which granted similar abilities? What if they were in early development before the Clans invaded, but were shelved with the introduction of a strictly better system? What if these primitive omnimechs–Everymechs–were more distinctive and restricted? What if there was bad omnitech?

Hardpoints
A core concept for these different omnimechs is the hardpoint. Hardpoints are a collection of contiguous critical slots which have restrictions on the pods which can be mounted in them.

Singular Equipment Limitation
Unless otherwise stated, hardpoints can only carry one piece of equipment. Ammunition for ammunition-fed weapons and assistive equipment (such as Artemis IV systems and Targeting Computers) can share a hardpoint with one of the pieces of equipment they assist, provided they otherwise meet the restrictions of the hardpoint.

A hardpoint can be shared across two or three adjacent locations for equipment, like AC/20s and Engines, which can be shared across locations. A shared hardpoint can still only carry one piece of equipment, which is still subject to Singular Equipment Limitation and such weapons only fire in the most restrictive arc.

Generally, if equipment can be pod-mounted on an omnimech it can be pod-mounted in a hardpoint of one of the ‘mech types below. Equipment which cannot be pod-mounted on an omnimech cannot be pod-mounted in a hardpoint of one of the ‘mech types below. Repair and replacement times are treated as though they’re omnimechs.

Multimechs
Multimechs have three tiers of hardpoints and they have a structure weight penalty relative to the type and number of hardpoints they have. They are more complex, but also have more restrictions–and more character–than Versamechs and Omnimechs.

Rules
Instead of the Versamech’s flat 50% structure weight penalty, the Multimech’s structure weight penalty is dependent on the hardpoints it mounts and their tiers.
Tier I: +1% per Tier I hardpoint
Tier II: +4% per Tier II hardpoint
Tier III: +7% per Tier III hardpoint

In recognition of the Crossbow and Battle Cobra fluff, hardpoints mounted in arms get a -1% structure weight penalty bonus.

Effects which alter the ‘mech’s structure weight like Endo-Steel Structure and Reinforced Structure will apply before the structure is rounded.

Multimechs pay an additional 25% of their C-Bill cost in Gyro, Structure, Cockpit, and hardpoint-mounted weapons/equipment. Their cockpits, gyro, and structures are specific and required for Multimechs, but may be used by other battlemechs.

Multimechs have hard-mounted equipment. The remainder of their critical spaces can either be unused or dedicated to hardpoints. The remainder of their tonnage is used for pod space.

Tier I hardpoints have no Singular Equipment Limitation.
Tier II hardpoints can mount any equipment a Tier I hardpoint can mount, but still suffer the Singular Equipment Limitation.
Tier III hardpoints can mount any equipment a Tier II or Tier I hardpoint can mount, but still suffer the Singular Equipment Limitation.

Tiers can be dictated by any hierarchy of equipment: tonnage, tech rating, etc. But in this case, it’s the equipment type with a rough approximation of sophistication.
.
Tier I: Melee, Direct Ballistic, Performance Enhancement, Ammo, Lower Arm & Hand Actuators
Tier II: Missile, Gyro, Engine, Targeting System
Tier III: Direct Energy, Pulse, Electronics, Area Effect, Point Defense

Pod-Swappable Gyros and Engines
Unlike Omnimechs and Versamechs, Engines and Gyros can be pod-mounted by Multimechs. They gain the -2 skill bonus on tech rolls for replacements and the replacement of an omnigyro or omniengine take 1/4 the time as that of a non-omnigyro and a non-omniengine.

Omnigyros and omniengines are specific and required for Multimechs, but can be permanently converted for use by standard battlemechs. Like with omnipods, they cannot be used as omni parts once converted for standard use.

This means that there are both Multimech gyros and Multimech omnigyros, as well as XL, Compact, etc. versions of the same.

There are also XL omniengines, which require a shared Tier II hardpoint with 6 crits in the Center Torso and 3 crits in each Side Torso.

Special Equipment
Structural Plating C-O - This unique composite is a formed shell using the non-power and non-coolant attachments in a Multimech to form a shell with lattice around the other equipment in that hardpoint. The brittle shell shatters after just a few hits, but provides significant protection. Because of the large external ports of weapons, C-O plating cannot protect weapons.
1 ton, 1 crit - This equipment can only be mounted on Multimechs. Structural Plating will defend all non-weapon equipment in its hardpoint from up to two critical hits(but not head/limb blown off results). It is Performance Enhancement equipment and considered Tier I. It is considered assistive equipment and may be included in Tier II & III hardpoints with other equipment it protects.

Example: 

Hauptmann HAM-O

Mass: 95 tons
Tech Base: Inner Sphere
Chassis Config: Biped Omnimech
Rules Level: Tournament Legal
Era: Clan Invasion
Tech Rating/Era Availability: E/X-X-E-D
Production Year: 3060

Battle Value: 1,292

Chassis: Unknown Standard
Power Plant: Unknown 285 Fusion Engine
Walking Speed: 32.4 km/h
Maximum Speed: 54.0 km/h
Jump Jets: None
    Jump Capacity: 0 meters
Armor: Unknown Standard Armor w/ CASE
Armament:
    43.0 tons of pod space.
Manufacturer: Unknown
    Primary Factory: Unknown
Communications System: Unknown
Targeting and Tracking System: Unknown

================================================================================
Equipment           Type                         Rating                   Mass  
--------------------------------------------------------------------------------
Internal Structure: Standard                     145 points               14.50
Engine:             Fusion Engine                285                      16.50
    Walking MP: 3
    Running MP: 5
    Jumping MP: 0
Heat Sinks:         Double Heat Sink             11(22)                    1.00
Gyro:               Standard                                               3.00
Cockpit:            Standard                                               3.00
    Actuators:      L: SH+UA    R: SH+UA
Armor:              Standard Armor               AV - 293                 18.50

                                                      Internal       Armor      
                                                      Structure      Factor     
                                                Head     3            9         
                                        Center Torso     30           45        
                                 Center Torso (rear)                  15        
                                           L/R Torso     20           30        
                                    L/R Torso (rear)                  10        
                                             L/R Arm     16           32        
                                             L/R Leg     20           40        

Hardpoints

================================================================================
Loadout Name: Prime                                          Cost: 12,586,781
Tech Rating/Era Availability: E/X-X-E-D                       BV2: 2,111

Equipment           Type                         Rating                   Mass  
--------------------------------------------------------------------------------
Heat Sinks:         Double Heat Sink             15(30)                    4.00
    Heat Sink Locations: 2 LT, 1 LA, 1 RA
    CASE Locations: 1 RT                                                   0.50
    Actuators:      L: SH+UA    R: SH+UA+LA

Equipment                                 Location    Heat    Critical    Mass  
--------------------------------------------------------------------------------
ER Large Laser                               RA        12        2         5.00
Medium Pulse Laser                           RA        4         1         2.00
Medium Pulse Laser                           LA        4         1         2.00
ER Large Laser                               LA        12        2         5.00
Guardian ECM Suite                           LT        0         2         1.50
LB 20-X AC                                   CT/RT     6         2/9      14.00
ER Small Laser                               HD        2         1         0.50
@LB 20-X (Cluster) (5)                       RA        -         1         1.00
@LB 20-X (Cluster) (5)                       RT        -         1         1.00
@LB 20-X (Slug) (5)                          RT        -         1         1.00
@LB 20-X (Slug) (5)                          LT        -         1         1.00
                                            Free Critical Slots: 13

BattleForce Statistics
MV      S (+0)  M (+2)  L (+4)  E (+6)   Wt.   Ov   Armor:     10    Points: 21
3          4       4       2       0      4     1   Structure:  8
Special Abilities: OMNI, ECM, CASE, SRCH, ES, SEAL, SOA, FLK 1/1/0


================================================================================
Loadout Name: A                                              Cost: 11,719,469
Tech Rating/Era Availability: E/X-X-E-D                       BV2: 2,298

Equipment           Type                         Rating                   Mass  
--------------------------------------------------------------------------------
    Jumping MP: 3  (Standard)
    Jump Jet Locations: 2 CT, 1 LT                                         6.00
Heat Sinks:         Double Heat Sink             16(32)                    5.00
    Heat Sink Locations: 3 LT, 1 LA, 1 RA
    CASE Locations: 1 RT                                                   0.50
    Actuators:      L: SH+UA    R: SH+UA

Equipment                                 Location    Heat    Critical    Mass  
--------------------------------------------------------------------------------
2 ER Medium Lasers                           RA        10        2         2.00
SRM-4                                        RA        3         1         2.00
2 ER Medium Lasers                           LA        10        2         2.00
SRM-4                                        LA        3         1         2.00
Gauss Rifle                                  RT        1         7        15.00
ER Medium Laser                              HD        5         1         1.00
@Gauss Rifle (16)                            RT        -         2         2.00
@SRM-4 (25)                                  RT        -         1         1.00
                                            Free Critical Slots: 15

BattleForce Statistics
MV      S (+0)  M (+2)  L (+4)  E (+6)   Wt.   Ov   Armor:     10    Points: 23
3j         5       6       2       0      4     0   Structure:  8
Special Abilities: OMNI, CASE, SRCH, ES, SEAL, SOA, SRM 1/1/0


================================================================================
Loadout Name: B                                              Cost: 11,992,781
Tech Rating/Era Availability: E/X-X-E-D                       BV2: 2,148

Equipment           Type                         Rating                   Mass  
--------------------------------------------------------------------------------
Heat Sinks:         Double Heat Sink             15(30)                    4.00
    Heat Sink Locations: 2 LT, 1 LA, 1 RA
    CASE Locations: 1 RT                                                   0.50
    Actuators:      L: SH+UA    R: SH+UA

Equipment                                 Location    Heat    Critical    Mass  
--------------------------------------------------------------------------------
ER PPC                                       RA        15        3         7.00
ER PPC                                       LA        15        3         7.00
Small Pulse Laser                            LT        2         1         1.00
Ultra AC/20                                  CT/RT     8         2/8      15.00
Small Pulse Laser                            HD        2         1         1.00
@Ultra AC/20 (15)                            RT        -         3         3.00
                                            Free Critical Slots: 17

BattleForce Statistics
MV      S (+0)  M (+2)  L (+4)  E (+6)   Wt.   Ov   Armor:     10    Points: 21
3          4       4       2       0      4     1   Structure:  8
Special Abilities: OMNI, CASE, SRCH, ES, SEAL, SOA


================================================================================
Loadout Name: C                                              Cost: 12,247,222
Tech Rating/Era Availability: E/X-X-E-D                       BV2: 2,208

Equipment           Type                         Rating                   Mass  
--------------------------------------------------------------------------------
Heat Sinks:         Double Heat Sink             13(26)                    2.00
    Heat Sink Locations: 1 LA, 1 RA
    CASE Locations: 1 RT                                                   0.50
    Actuators:      L: SH+UA+LA+H    R: SH+UA+LA+H

Equipment                                 Location    Heat    Critical    Mass  
--------------------------------------------------------------------------------
ER Medium Laser                              RA        5         1         1.00
ER Medium Laser                              LA        5         1         1.00
Guardian ECM Suite                           LA        0         2         1.50
LRM-15                                       LT        5         3         7.00
    Artemis IV FCS                           LT        -         1         1.00
Heavy Gauss Rifle                            CT/RT     2         2/9      18.00
ER Small Laser                               HD        2         1         0.50
@LRM-15 (Artemis) (16)                       RT        -         2         2.00
@Heavy Gauss Rifle (16)                      LT        -         4         4.00
                                            Free Critical Slots: 14

BattleForce Statistics
MV      S (+0)  M (+2)  L (+4)  E (+6)   Wt.   Ov   Armor:     10    Points: 22
3          4       5       3       0      4     0   Structure:  8
Special Abilities: OMNI, ECM, CASE, SRCH, ES, SEAL, SOA, IF 1


================================================================================
Loadout Name: D                                              Cost: 14,606,744
Tech Rating/Era Availability: E/X-X-E-D                       BV2: 2,142

Equipment           Type                         Rating                   Mass  
--------------------------------------------------------------------------------
Heat Sinks:         Double Heat Sink             14(28)                    3.00
    Heat Sink Locations: 2 LT, 1 RT
    CASE Locations: 1 RT                                                   0.50
    Actuators:      L: SH+UA    R: SH+UA+LA+H

Equipment                                 Location    Heat    Critical    Mass  
--------------------------------------------------------------------------------
2 Rocket Launcher 10s                        RA        6         2         1.00
ER Medium Laser                              RA        5         1         1.00
Heavy PPC                                    LA        15        4        10.00
Rocket Launcher 10                           LA        3         1         0.50
Gauss Rifle                                  RT        1         7        15.00
C3 Computer (Master)                         LT        0         5         5.00
ER Small Laser                               HD        2         1         0.50
@Gauss Rifle (8)                             RT        -         1         1.00
@Gauss Rifle (8)                             CT        -         1         1.00
                                            Free Critical Slots: 16

BattleForce Statistics
MV      S (+0)  M (+2)  L (+4)  E (+6)   Wt.   Ov   Armor:     10    Points: 21
3          4       4       4       0      4     0   Structure:  8
Special Abilities: OMNI, C3M, TAG, CASE, MHQ5, SRCH, ES, SEAL, SOA


Obviously, it was important to test 'mechs to see how this system worked. Even after compressing and reconfiguring the stock Hauptmann to minimize its equipment slots, it's missing 5.0 tons.

That compression and reconfiguring also featured a questionable break in the rules. If the ability to replace XL engines opens up hardpoints which stretch across the Left, Center, and Right Torsos, then why not make one massive T1 hardpoint that only imposes a 1% structure weight penalty? It's limited to ballistics and basic equipment, but it feels a bit scummy. 

Tier I slots are to provide basic flexibility, not hax the system. But I can't complain too much when six Tier III hardpoints rocked these numbers.

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