RCS 'Commonwealth' CVN of the Commonwealth Navy
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Technical data
Name: | Commonwealth Class [CVN] |
Builders: | Royal Beaufort Shipwrights Guild |
Nation: | Yohannes |
Operators: | 50+ nations (March 2012) |
In commission: | 11 June 2000 |
Type: | Aircraft carrier |
Total displacement: | 100,800 tonnes |
Length (LOA): | 340 m |
Length (LWL): | 322 m |
Beam (OA): | 78.4 m |
Beam (WL) | 41.7 m |
Draft limitation: | 12 m |
Length / width (Flight deck): | 333 / 77 m |
Freeboard: | ~18 m |
Propulsion: | 2x Weilmfontein AR-14D PWR/water reactor pressurised nuclear-powered, 198 MW (266,000 shp) |
Prop. shafts: | 4x C3N Dunedin |
Supplementary: | Electric overall |
Speed: | ~30 knots nautical max/flank, ~19 knots cruise |
Complement: | 3,800 enrolled personnel, 500 officers, 2,470 aircrews, 68 flag personnel |
Aircraft: | 90 aircraft, may be changed according to alternative of the same role 27x M.Cs 82/F 'Illusion' [Air Superiority] -2x Yohannesian refuelling models -4x Yohannesian Elec. War/EW models 14x M.Cs 82/F [VLB, Yohannesian light bomb./strike bomb. roles] 8x M.Cs 82/F [navalised multi-roles] 4x SH-60F 'Seahawk' [rotary wing] 4x HH-60H 'Seahawk' [rotary] |
Vessel aerial protection: | 4x Bloemfontein Naval Frontline 20mm CIWS 2x Archibald RAFM Rolling sidemounted airframe-launched guided weapon system |
Surface to air: | 18x VOC-110 medium range surface to air missile |
Aerial deployment: | 25 days/150-200 prolonged/continuous 5 days/280-350 sudden initiative |
Elevator(s) (aircraft): | 4 |
Docking bays: | 2 |
Launch (aircraft): | 4x mass electro-magnetic drivers |
Sensors | HMW 3DPA ASRS three dimensional radar/air search HMW 2DLA radar/air search long-range HMW MSS-FR19 high-resolution, X-band multi-purpose surface search & fire control radar HMW 37-AF radars/air traffic control HMW 37-A9X radar/air traffic control HMW MSS-47 landing aid radars 4x HMW AN-01 fleet/formation & guidance systems |
Protection systems: | AN/SLQ-25A SSTD Surface Ship Torpedo Defence (SSTD) Nulka ADS Active Missile Decoy System Wilhelm II Countermeasures suite |
Electronics: | HMW 3SF countermeasures/integrated systems towed decoy & shipboard signal generator Wilhelm II Countermeasures suite |
Protection: | 47 mm Frontier-modified w/majority steel carrier deck |
Export: | US$4,800,000,000.00 |
The RCS (Royal Commonwealth Ship) Commonwealth class is a class of nuclear aircraft carriers designed by Royal Beaufort Shipwrights Guild [RBSG]. The Commonwealth Navy of Yohannes and more than 50 navies of foreign nations have operated the class since 11 June 2000.
Two Weilmfontein AR-14D nuclear reactors and four C3N Dunedin propeller shafts powered the Commonwealth Class, allowing her to accomplish a nautical maximum flank speed of 30 knots, and giving her the ability to sustain a stabilised cruising speed of 19 knots. With a total load displacement of 100,800 tonnes, LOA of 340 metres, LWL of 322, EB of 79 and WB of 41, the class has the capacity to carry 5,000 maritime personnel and up to 90 aircraft.
The lead vessel of her class - and any other coming after it - maintain a conventional fleet carrier hull and propulsion structure. Her hull accommodate the addition of select modified fin stabilisers, and as a result, her motional rolling control has been improved over rough seas abroad. The said combination has always been used in select minor vessels both within Yohannes and abroad, as domestic shipwrighters consequently realised the practicality of its application alongside the then still in development Commonwealth class' hull in a proper extended arrangement. Much to the wonderful sense of accomplishment of these shipwrighting designers and firms, the initiative worked and resulted in a hull with the capacity to relatively overcome its structural stress limitation.
The hull design of the Commonwealth Class is constructed of high-tensile steel plates, 47 mm inches thick to protect against fire and battle damage, in only select and very few certain areas deemed important. Her rectangular-shaped double-bottomed keel, flight and hanger decks' horizontal structures provided her with the internal support she required, while her wider flight deck space is made possible by the rounded and narrow position of her hull below the waterline. Structural stability is provided by the Class' elaborate stabilisers, with two layers of heavy steel plating featured alongside her distinctive lower section - separated by relatively small gap - providing the small protection she required against torpedo and collision threats.
The following is the common airwing formation preference by the Commonwealth Navy. It may be altered by the operators to suit the client entity's role more specifically (the following are just an example of Commonwealth Navy setting, not to be followed upon as the aircraft models does not come with the carrier, and are designed by other manufacturers themselves)
- 27x M.Cs 82/F 'Illusion' [Air Superiority]
2x Yohannesian refuelling models
4x Yohannesian Elec. War/EW models
14x M.Cs 82/F [VLB, Yohannesian light bomb./strike bomb. roles]
8x M.Cs 82/F [navalised multi-roles]
4x SH-60F 'Seahawks' [rotary wing]
4x HH-60H 'Seahawks' [rotary]
The Commonwealth Class was constructed with an emphasis being placed upon her adaptation toward aircraft of the latest present generation. As of the past seven years, no major modification in the basic structure of an aircraft carrier have been made regionally, and contrasting to that is the more significant advances in the capabilities and design of military aircraft in general.
The Commonwealth class allows the Commonwealth Navy to easily deploy and service two air squadrons simultaneously, at the same time allowing her personnel to rearm, recrew and refuel the aircraft in separate assembly lines: all accomplished in a well-protected working area. RBSG then revised her originally planned conventional superstructure, modifying the main deck with an armoured hangar. This enables her to house at least two service bays for her aircraft. An assembly-line of pre-determined sequence is chosen as the arrangement of the service bays, allowing simultaneous two lines aircraft disposal whilst servicing, through her armoured enclosure.
Computer-generated design of the schema-
tic of ELRAS
tic of ELRAS
The ELRAS directly interfaced with its associated extant hydraulic arresting sheave-damper systems (HASD). A singular cable is connected towards the cross-deck pendant on each structural end. The said pendant is engaged by aicraft during landing operation. Braking torque is provided by the addition of an extant braking tension cable, generated by the attachment of the inductor's shaft.
As the aircraft land and approach the runway, the sequentially running cables received the energy generated, allowing the inductors to act as generators with the rotational power given. Any excess electrical power is taken by the braking resistor. Assignment of proper torque level is calculated in a closed-loop feedback and direction, avoiding system stress or exceeding its given mechanical limit, thereby allowing HASD to monitor the rotational movement of the inductor. ELRAS then stop the landing, approaching aircraft, further supported by a separated extra inductor to the primary system. This allows stronger off-centre aircraft arresting power.
The Commonwealth class is specifically adapted for STOL and VTOL operations, with emphasis being made on her armoured enclosure's upper surface. That can indeed be observed upon easily, as her area of landing and take-off are designed to be shorter than most other fleet carriers' flight deck. Her bow section is also provided with a modified mass electro-magnetic driven catapult propellers and ski jumps required by her specialised assistance for take-off intiation (ATFI) procedure. In finality however, the fact still stand that she can adequately house all military aircraft types, despite her specialised design.
Armament
Armament being one main component of the Commonwealth Class' maritime capacity, she is armed with four Bloemfontein Naval Frontline 20mm CIWS or two Archibald RAFM guided missile weapon system designated for aerial protection, and eighteen VOC-110 'Serenity' medium range surface to air missiles.
A Yohannesian design, the Archibald is a rolling sidemounted airframe-launched guided missile system. Its integrated directional firing control package is designed to provide an efficient target tracking, gun fire contol capabilities against high-speed and manouverable anti-ship missiles. The system, is guided with that of its alternatively chosen anti-missile weapon systems and boresighted upon the RAM. In Yohannesian preference, it allows the Commonwealth Class the capacity to hold 24 SARH rolling airframe missiles, thereby giving her an essential secondary anti-air/ships missile defence capability.
A significant decrease of shock and vibration loads is achieved by the addition of split sleeve external rib-shaped connectors towards the launcher which are mounted outboad the mount shield. It simultaneously allow the system to acquire good rigidity, which is essential towards its tracking control capacity at the maximum point of azimuth and elevational rate alteration. The launcher guides may control each singular store within its systematic reach. Such is achieved by the application of its pivotal foundation, supported by the pairing addition of 400 volt actuator cables. This allows good flex mechanism, in turn giving a smooth rotational capacity, without the high probability of cable bend happening.
Ultimately, the said combination allows an unlimited elevational cycle, without the off-set of electrical fatigue and wear-tear problems. Initiations individually permits the instantaneous signal of firing movement to be transferred towards the loaded store. As such, a considerable mix of other secondary rounds load may surreptitiously be added; With some of the favourite Yohannesian alternative being that of chaff and decoys, beside the primary RAM rounds. As an added ultimate benefit, the said feature simultaneously allows the Commonwealth Class' CDS (computerised defensive system) the ability to initiate selection without time-offsetting initial interventions by her operators.
Archibald SARH
Role: aerial threat protection, anti-cruise missile
Propulsion: Beaufort AMX-102 single stage, single thrust solid fuel motor
Guidance: infrared homing - passive RF, dual-mode enabled - infrared homing / RF
Weapon no / launcher: 12
Width (launcher): 3.7 m
Weight: 75 kg (missile), ~7,000 kg (launcher)
Diameter: 0.125 m
Length: 2.8 m
Wingspan: 0.45 m
Speed: +2 mach supersonic
Range: 8.8 km
Warhead: 9.8 kg
Meanwhile, the four Bloemfontein Naval Frontline 20mm CIWS, with its rate of fire of 4,500 rounds per minute at an effective range of up to 1.5 km, provide vessels of the Commonwealth class with the acceptable short-range defensive measure of last resort against incoming airborne and surface threats, such as helicopters, aircraft, anti-ship missiles and mines.
Weighting ~6,200 kg, Bloemfontein is a Yohannesian anti-ship, close-in weapon defence system, with six rotating cluster Halstenmetall 20/L128 autocannons, each carrying 1,500 rounds as its preferential weapon option within the Commonwealth Navy. The system is divided into three sub-stages; That of detection being the primary, tracking secondary and interception as the tertiary and final stage. The system detect incoming threats within its initial detection stage, with acquired data being passed towards the succeeding tracking stage. The tracking stage will then automatically track the target, and provide the date further towards the final interception stage. The interception stage will then deflect and/or destroy the target by virtue of its electromagnetic beam, thereby neutralising the detected threat.
Bloemfontein utilised an automated fire control system from that of the established VMK AYTRACK and ADS, modified to suit its purpose. It has the capacity to automatically detect, track and counter multiple anti-ship and aerial threat-identified targets from as close to 500 metres' extended close reach of the system, 1,500 effective higher-than-limit and as far as ~5,000 metres at forty-five degrees elevation. The initial, first stage as mentioned above delivers incoming signals towards the tracking stage, allowing the establishment of interception control solution. It utilised the addition of MHT algorithms (multiple hypothesis) and select combination of IPIAF (Integrated Probability of Information Acquisition Filter).
Bloemfontein Naval Frontline (07B) CIWS
Role: Anti-ship missile, anti-aircraft & littoral warfare defence
Weight: ~6,200 kg
Range: 500-4,500 m
Armament: 6x Halstenmetall 20/L128 rotating cluster
ROF: ~4,500 / minute
Magazine cap: 1,500
Ammo: APDS, tungsten & depleted uranium penetrator (sub-cal)
Fire control: closed-loop feedback & guidance
Detection & Countermeasures: search (ku-band digital MTI) & track (pulse-doppler) self-contained radar, AT-II electro-optics (automatic target detection, forward looking infrared imaging)
The Commonwealth class of carriers are equipped with eighteen VOC-110 missiles, launched from its three ZM-14X guided on-mount supported storage platform, each capable of holding and firing up to six VOC-110 missiles in its environmentally-controlled, self-contained modular and easily-integrated design. The VOC-110 SAM or known as the ‘Serenity’ is an all-environment and weather, radar-guided medium range surface-to-air missile designed to protect RBSG vessels from aerial and surface threats, and to provide sufficient local area or formation battlespace defence.
Between the missile’s midcourse guidance and its arrival in the vicinity of the target, the VOC-110 facilitate the use of autonomous inertial midcourse, command midcourse or home-all-the-way guidance, supported by the use of constant amplitude & frequency electromagnetic wave (AFEC-10A) or the existing interrupted continuous wave illumination (ICWI) technique to analyse the information needed by its radars. The Serenity can be launched and integrated through, and both the shorter-wavelengths X-band and S-band connected information interface well together with multiple existing, modern combat systems, including that of the Yohannesian Wilhelm I and II battlespace & networking systems used by almost all RBSG vessels and Commonwealth Navy formations, allowing for unassisted target detection and tracking, as well as the subsequent preparation of order, and automatic firing.
VOC-110 Serenity SAM
Role: Air to air / surface to air guided missile
Propulsion: Beaufort M14-S2 solid-propellant rocket engine
Length: 3.7 m
Diameter: 0.26 m
Wingspan: 1 m
Weight: 290 kg
Speed: Mach 4+
Range: +45 km
Guidance: semi-active continuous or interrupted continuous wave
Warhead: ~40 kg circular blast fragmentation
The aircraft carrier RCS Commonwealth sails near Bonaventeur at sunset while under way in the Bonaventure Straits.
Networking & sensory
The HMW is an air surveillance and weather detection dual operation system. It comprises of two antennas, with the first and second having an almost identical waveguide switch. The switch diverts RF energy to and fro both of the antenna’s waveguide. It is also coupled to a common waveguide, extending from a pedestal supporting its assembly.
The island of the Commonwealth Class is smaller in comparison to that of some other carriers, located further in the direction of her aft. It has a composite mast equipped with planar array radars - an S-band volume search radar and X-band multi-function radar - carrying the stern-facing joint precision approach and landing system (JPALS), which is based not on the radar, but alongside the local area differential multi-regional positioning system. An azimuth and elevational rotation foundation is used by the pedestal’s support assembly. The system includes a control processor configured with logical control capability to effortlessly control the radar’s function and system. Both antennas are perpendicularly mounted towards one another, and only one mode may be operated at any one time.
The system occupies as low a space as possible, in relation to its capacity to maximise each of its working components. As a result, it lowers operational costs for maintenance and parts by the vessel’s personnel. The HMW comprises of an output transmitter and duplexer. The singular bi-directional duplex communication connector is attached to the output transmitter, and another receiving transmitter. A dual antenna assembly through microwave sub-system is attached towards the output transmitter, and both are attached to the receiving radar sub-complex. The complex and sub-system is further connected to the essential data acquired by the radar towards the centralised control processor.
The control processor comprises a compute system, which includes an attached communication bus, RAM/main memory and a final, second memory in the form of a removable storage device. Programmes pertaining to the radar’s information are stored in the main memory.
The Wilhelm II Tactical & Combat Networking is the successor to the previous Wilhelm I. It is an advanced modular and integrated combat management & networking wireless systems (AMCMN-WS).
The Wilhelm II incorporate the agglomerated and integrated function of a decision-making simulator, sensor, signal processor, wireless networking detector & integration systems within a robust, time saving, and power efficient systematic structure. The rapid development of an integrated circuit technology available worldwide has seen the innovation of multiple networking & battlespace systems, at a pace unheard of the previous generations.
Like the Wilhelm I, the Wilhelm II utilises an advanced and upper tier, agglomeration of sensors, radios and processing systems, at a competitively low cost attributed to the design’s geometry and modularity, in comparison to the majority of its overseas competitors. It effectively connects the virtual world and simultaneously fuses it with that of the physical realm.
The Wilhelm II incorporate the application of four peripheral networks, that of the “entrance”, “main”, “support” and “storage” groups of peripheral networks, a total of four main bodies in simplicity.
The “entrance” peripheral networks incorporate the agglomeration of an equilibrium activator, sensing circulatory sub-system, signal receiver, input processor, power source storage sub-system (preferably that of the Xzaerom G Network), data storage, wireless interaction & communication sub-system and finally, that of home pin-pointing features. The “entrance” may also be integrated with multiple foreign systems of the same sophisticated level as that of The Wilhelm II (including the previous Wilhelm I), one marked symbol of its multiple ease of integration characteristics.
Its attached systems' personnel has the capacity to communicate, if formally registered and upon validation of the specific user’s account(s), through a localised data display and networking information interfaces (DNII). Non-Wilhelm registered and integrated formations within its vicinity may, as per the associated crew’s discretion, communicate with the main body of resources and central server through the input processor peripheral network mentioned above.
As a result of this characteristic, access of the data storage peripheral network’s information and various other crucial tactical intelligence & processed data acquired from that of the sensing circulatory sub-system’s peripheral network, may be accessed easily and effortlessly. Although the addition of Xzaerom’s G Network & data storage in such a method is recommended, however various other alternative networking interfaces may also be used in conjunction with that of The Wilhelm II.
Both the central administration and localised computers may processed and connect with The Wilhelm II, both in intervals or continuously. The said localised and central computer may furthermore interact with one another through the application of the equilibrium activator peripheral network, utilising a wide array of data gathering & networking capabilities, by the application of a third party’s medium, which may conveniently be simply that of a PC, tactical digital voice (TDV) or by simply utilising its standard default interface as attached to the formation.
The Wilhelm II utilises a decentralised sensor network which is distributed within the vicinity of the agglomerated systems’ active database collection & information input in conjunction with the Xzaerom G Network. Simply put, by utilising the said method, The Wilhelm II may answer the inquiry of its users, whether it is a localised or central user, about the physical surrounding of its attached formation’s tactical situation, through the systems’ attached actuating sensor.
The network is also self-organised and structured, essentially meaning that The Wilhelm II may automatically act in relation to its realistic ability to distribute either the identical combination of information and data, or not as per circumstance on its direct operational battlefield and tactical area of engagement.
It achieves the said features by the transfer of existing asymmetrical networking and data gathered in the given spatial arrangement or placement of suggested path which the storage data powerplant, wireless interaction & communication sub-system and finally, that of home pin-pointing sub-systems has registered and/or automatically recommended. As a result, its capacity to operate is not limited to just that of a singular conventional wireless networking service within its vicinity.
The previously mentioned networking protocol and modularity has given The Wilhelm II a marked operational accessibility on the battlefield and off the battlefield, via web-based tools to various signal processor, image codes management and inter-computerised security ability.
The peripheral networks of sensor, of The Wilhelm II, may optionally be altered and re-programmed by the localised networking formation’s associated personnel. As an addition is its ability to initiate the process of downloading multiple defence and/or security integral software which can be initiated from various possible localised user database and/or position, and in finality that of distributing and supporting multiple processed data and information input within its centralised data storage, by route of the wireless interaction & communication peripheral agglomerated networks.
Beside its offensive capabilities, the Wilhelm II's supporting software and hardware systems can be used to further assimilate automatic information connection and counter reaction from the vessel's various missiles, cannons and decoys with its electronic surveillance, infrared sensors, and warning receiver radar systems, thereby maximising defence against aerial and littoral threats.
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