Akula Missile Submarine

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  • Last Post 10 April 2018
Luxan posted this 06 October 2017

Type: Akula Missile Submarine
Technology Base: Inner Sphere
Mass: 22,000 tons
Movement Type: Naval (Large, Template D)
    Cruise Speed: 35.0 knots
    Flanking Speed: 52.5 knots
Equipment Rating: E/X-X-E
BV: 45,562
Cost: 392,048,449 C-bills

=======================================================
Equipment                     Type                 Mass  
-------------------------------------------------------
Chassis/Controls:                               8,583.5
Engine/Trans:                 Fusion            5,940.0
    Cruise MP:  6
    Flank MP:   9
Fuel:                                               0.0
Turret (Hex #2):                                    3.0
Turret (Hex #5):                                    3.0
Armor Factor (BAR 10):        1,187                66.5

                     Internal    Armor
                     Structure   Factor
    Front            41          170
    Front R/L Side   41/41       160/160
    Rear  R/L Side   41/41       160/160
    Rear             41          137
    Turret 2         41          120
    Turret 5         41          120

========================================================
Weapons & Equipment                  Location       Mass  
--------------------------------------------------------
12 Pirahna Missile Launchers           Body      1,200.0
360 Piranha Missiles                   Body      3,600.0
4 LR Torpedo-15                      Turret 2       28.0
Ammo (LRT-15) 96                       Body         12.0
4 LR Torpedo-15                      Turret 5       28.0
Ammo (LRT-15) 96                       Body         12.0
2 Remote Sensor Dispensers             Rear          1.0
Guardian ECM Suite                     Body          1.5
Advanced Fire Control                  Body        126.0


Crew: 7 officers, 26 enlisted, 14 gunners*
Cargo: 1,980 tons standard
Notes: Features Submersible and Armored Chassis and Control Modifications,
       1 field kitchen (3 tons), 7 escape pods (49 tons),
       40 crew quarters (280 tons), 7 officer quarters (70 tons),
       MASH unit (1 theater, 3.5 tons), communications equipment (10 tons)

* Gunnery crew requirements calculated as a capital ship rather than a support
  vehicle because support vehicle gunnery crew requirements are ridiculous.

 

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Luxan posted this 10 April 2018

Thanks for the reviews though! Nice to know somebody saw this.

Luxan posted this 10 April 2018

The mass is really determined by the way internal space is calculated for large support vehicles. The formula is 35 + Tonnage/100. So, even just to have enough space for the 12 Pirahna launchers, it needs to be 18,000 tons. Add in the other weapons, accessories, crew quarters, etc. and at 22,000 tons this thing is using 254 of its 255 spaces. I could have made it 21,900 tons, but that just seemed awkward.

With space at a premium, I found I had a bunch of extra tonnage left. So, I gave it a reasonably big engine, which actually gives a top speed similar to the real Akula-class subs that I patterned it after.

icehellion posted this 10 April 2018

So a swimming dropship

I was wondering why so heavy and so quick.

Headhunter posted this 10 April 2018

So a swimming dropship that can swat fighters and ships and remain independent for long periods... smokes m8, this thing would be a pain to go after, but you couldn't ignore it either.  The cargo space means you can load up on supplies or bring supplies in to any coastal area, so you can support threatened areas or be a long-time pain in the posterior to a force that may already have captured the rest of the planet.  Add in being piloted by zealots, you have a nasty platform here.  

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Luxan posted this 06 October 2017

Devlin Stone's coalition faced many nasty surprises from the Word of Blake as
they liberated the worlds of the former Blake Protectorate and Terra. Most of
these surprises were the result of technologial achievements. However, the
Akula class missile submarines were not particularly advanced but were quite
unconventional. Submarines of this size had become quite rare after mankind
took to the stars. In recent decades, the Draconis Combine had re-introduced
such craft for protecting water-rich worlds, including the similar Triton class
missile submarine. While the Triton was quite formidable in defending coastal
areas, the Robes' Akula class submarines provided unprecedented flexibility.

The Akulas were a danger to virtually every coalition force on the water worlds
they were defending. Equipped with twelve of the sub-capital Pirahna missile
launchers, the Akulas are capable of engaging all manner of targets. Ground
units could be bombarded, atmospheric targets could be directly engaged and
inbound dropships could even be targeted in low orbit. Also, in a few cases,
surface naval vessels were, quite literally, blown out of the water. The key to
this flexibility was the Akula's extensive communications suite. This allowed
it to recieve targeting data from any friendly units and satellite uplink.
Further, it could deploy its own network of remote sensor bouys. So, even when
completely isolated, hunting an Akula was a dangerous task.

Because the Pirahna missiles could launch from deep underwater, addressing the
threat of an Akula meant either directly engaging it with other submersibles
(which were rarely availible) or waiting until the Akula was forced to surface.
The latter option was also difficult and tedious. With a fusion engine, a small
crew, adequate kitchen facilities and a med bay, an Akula could remain
submerged for months. Also, an ECM suite and a top speed of over 50 knots made
an Akula's movements difficult to track and anticipate. Further, a compliment
of 360 Pirahna missiles meant an Akula could remain a strategic threat for
quite some time before needing to re-arm. Finally, if forced to engage other
naval craft, an Akula had two torpedo turrets, each with 60 tubes. These could
fend of other craft for a while, but this was a last resort.

 

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