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{{Infobox ship class overview
{{Infobox ship class overview
|Name= Undine-class  
|Name= ''Legoli''-class
|Namesake=
|Namesake=
|Builders= [[Pereda Construción Naval Consolidada]]  
|Builders= [[Cappelli Costruzione Marina|Cappelli Costruzione Marina S.p.A]]
|Operators= {{Flag|Temuair}} <br> {{flag|Dniegua}}  
|Operators= {{Flag|Luminerra}}
|Class before= {{wpl|Agosta-class submarine|Rucesion-class}}
|Class before= {{wpl|Sauro-class submarine|''Gioia''-class}}
|Class after= [[Highland-class]] (Planned)
|Class after=  
|Subclasses=
|Subclasses=
|Cost=  
|Cost=  
|Built range= 1996 - 2006
|Built range= 1996 - 2010 <br> 2020 -
|In service range=  
|In service range=  
|In commission range= 2002 - present  
|In commission range= 2002 - present  
|Total ships building=  
|Total ships building= 6
|Total ships planned= 22
|Total ships planned= 25
|Total ships completed= 22
|Total ships completed= 19
|Total ships cancelled=  
|Total ships cancelled=  
|Total ships active=  
|Total ships active= 19
|Total ships laid up=  
|Total ships laid up=  
|Total ships lost=
|Total ships lost=
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|Ship crew=
|Ship crew=
|Ship time to activate=
|Ship time to activate=
|Ship sensors=  Hybrasil ''Eco-I'' integrated sonar system <br> Graymayre 210 I-band navigation radar <br>  Hybrasil ''Sussurro'' communications system <br> {{wpl|Satellite navigation|Dachaidh}} satellite navigation system.
|Ship sensors=  Guardiano ES B/NEP-15 integrated sonar system <br> [[Elettronica Consolidata di Luminerra|ECONLU]] B/NRN-98 I-band navigation radar <br>  B/NUC-99 communications system <br> {{wpl|Satellite navigation|Stella Nord}} satellite navigation system.
|Ship EW= ''Dall'' electronic warfare suite  
|Ship EW= Guardiano ES B/NCQ-89 electronic warfare suite  
|Ship armament=6 x 533 mm torpedo tubes (in 2 forward pointing groups of 3) with a mixture of 20 torpedoes or [[Espada (missile)|Espada]] missiles <br> 12 [[Lanza (missile)|Lanza]] surface to air missiles <br> 1 x [[Srad CA.301]] 30 mm recoilless autocannon on retractable mast <br> 24 external naval mines (optional)
|Ship armament=6 x 533 mm torpedo tubes (in 2 forward pointing groups of 3) with a mixture of 20 torpedoes or [[TREXSA Espada]] missiles <br> 12 [[Vaccari Pastinaca]] surface to air missiles <br> 1 x [[Srad CA-30/90]] 30 mm recoilless autocannon on retractable mast <br> 24 external naval mines (optional)
|Ship armour=
|Ship armour=
|Ship armor=
|Ship armor=
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|Ship notes=
|Ship notes=
}}
}}
|}
|} {{italic title|noerror|string=Legoli|all=yes}}


The ''Undine''-class submarine is a conventional powered attack submarine developed by [[Pereda Construción Naval Consolidada]] (PCNC).  It is in service with the [[Imperial Navy of Temuair]]. It features diesel propulsion and an additional air-independent propulsion (AIP) system using a proton exchange membrane (PEM) hydrogen fuel cells, the second known vessel to use a fuel cell propulsion system. The submarine is capable of high speed operation using its diesel powered engine or use its AIP system for silent operations, allowing it to stay submerged for up to three weeks continuously. The system is also said to be vibration-free and extremely quiet, while the submarine itself is entirely undetectable by {{Wpl|magnetic anomaly detector}} thanks to its non-magnetic hull.
The ''Legoli''-class submarine is a conventional powered attack submarine developed by [[Cappelli Costruzione Marina|Cappelli Costruzione Marina S.p.A]].  It is in service with the [[Lumenic Armada]]. It features diesel propulsion and an additional air-independent propulsion (AIP) system using a proton exchange membrane (PEM) hydrogen fuel cells, the second known vessel to use a fuel cell propulsion system. The submarine is capable of high speed operation using its diesel powered engine or use its AIP system for silent operations, allowing it to stay submerged for up to three weeks continuously. The system is also said to be vibration-free and extremely quiet, while the submarine itself is entirely undetectable by {{Wpl|magnetic anomaly detector}} thanks to its non-magnetic hull.


==Development==
==Development==


The Undine-class was designed to replace the aging {{wpl|Agosta-class submarine|Rucesion-class}} submarines in service with the Imperial Navy.
The ''Legoli''-class was designed to replace the aging {{wpl|Sauro-class submarine|''Gioia''-class}} submarines in service with the Lumenic Armada
 
In 2015, with the announcement of the development of the [[Highland-class]] submarine, several planned vessels were cancelled, including ships intended for the Gratislavian and Aisling navies. It is expected that these nations will place orders for the Highland-class submarines as replacements for the canceled Undine-class vessels.


==Description==
==Description==


The Undine-class is designed for {{wpl|Anti-surface warfare|anti-shipping}} and {{Wpl|Anti-submarine warfare|anti-submarine}} operations both at sea and within the  a {{wpl|littoral zone}}. The design and arrangement of the stern planes allows the vessel to operate within waters as shallow as 17 m (55 ft). This feature, relatively unique among modern attack submarines, facilitates covert operations by allowing combat swimmers to be deployed closer to shore.  
The ''Legoli''-class is designed for {{wpl|Anti-surface warfare|anti-shipping}} and {{Wpl|Anti-submarine warfare|anti-submarine}} operations both at sea and within the  a {{wpl|littoral zone}}. The design and arrangement of the stern planes allows the vessel to operate within waters as shallow as 17 m (55 ft). This feature, relatively unique among modern attack submarines, facilitates covert operations by allowing combat swimmers to be deployed closer to shore.  


The Undine-class was designed with stealth in mind, both when operating underwater and when surfaced. The vessels prismatic hull cross-section and smoothly faired transitions from the hull to the sail, vastly improve the boat's stealth characteristics by reducing its radar cross section.  The hull and internal compartments are all constructed of nonmagnetic materials, thereby reducing the vessels magnetic signature and rendering it undetectable by magnetic anomaly detectors
The Undine-class was designed with stealth in mind, both when operating underwater and when surfaced. The vessels prismatic hull cross-section and smoothly faired transitions from the hull to the sail, vastly improve the boat's stealth characteristics by reducing its radar cross section.  The hull and internal compartments are all constructed of nonmagnetic materials, thereby reducing the vessels magnetic signature and rendering it undetectable by magnetic anomaly detectors
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The vessels unique {{wpl|air-independent propulsion}} allows for virtual silent running while operating underwater, even at high speed. To reduce the inherent dangers of hydrogen–oxygen propulsion, namely fires and explosions, the storage tanks for the fuel and oxidizing agent are located between the pressure hull and outer light hull, thereby placing them outside of the crew area. The gases are piped through the pressure hull to the fuel cells as needed to generate electricity, however, this arrangement minimizes the amount of gas present in the crew area at a given time.  
The vessels unique {{wpl|air-independent propulsion}} allows for virtual silent running while operating underwater, even at high speed. To reduce the inherent dangers of hydrogen–oxygen propulsion, namely fires and explosions, the storage tanks for the fuel and oxidizing agent are located between the pressure hull and outer light hull, thereby placing them outside of the crew area. The gases are piped through the pressure hull to the fuel cells as needed to generate electricity, however, this arrangement minimizes the amount of gas present in the crew area at a given time.  


The command and control systems aboard the Undine-class are highly integrated and  based on a high-performance databus and a distributed computer system. These systems include sophisticated command and weapons control systems and a sophisticated  submarine communications buoy system manufactured by [[Hybrasil]]. The ships ''Eco'' integrated sonar, also by Hybrasil, includes four medium frequency passive sonar sets arranged in a cylindrical array, as well as a low frequency towed array, a flank array sonar for low / medium-frequency detection, and a high frequency mine detection system. In addition, the ship is equipped to preform passive sonar ranging, and is equipped with a hostile sonar interception device.  
The command and control systems aboard the Undine-class are highly integrated and  based on a high-performance databus and a distributed computer system. These systems include sophisticated command and weapons control systems and a sophisticated  submarine communications buoy system manufactured by [[Guardiano ES]]. The ships integrated sonar, also by Guardiano ES, includes four medium frequency passive sonar sets arranged in a cylindrical array, as well as a low frequency towed array, a flank array sonar for low / medium-frequency detection, and a high frequency mine detection system. In addition, the ship is equipped to preform passive sonar ranging, and is equipped with a hostile sonar interception device.  


The periscope, produced by [[Nuadhaich]], is equipped with an laser rangefinder, as well as infrared and thermal vision equipment. The periscope is linked into the submarines {{wpl|Satellite navigation|Dachaidh}} satellite navigation system.   
The periscope, designed and produced by [[Opere Difesa Integrate]], is equipped with an laser rangefinder, as well as infrared and thermal vision equipment. The periscope is linked into the submarines {{wpl|Satellite navigation|Stella Nord}} satellite navigation system.   


===Weapons===
===Weapons===


The Undine-class is equipped with a variety of weapons systems, including torpedo, missiles, and a 30 mm cannon in a retractable mast. The 30 mm cannon, produced by Srad, can be fired without the vessel surfacing, and is designed to support diver operations as well as to engage light surface targets or fire warning shots.  
The ''Legoli''-class is equipped with a variety of weapons systems, including torpedo, missiles, and a 30 mm cannon in a retractable mast. The 30 mm cannon, produced by Srad, can be fired without the vessel surfacing, and is designed to support diver operations as well as to engage light surface targets or fire warning shots. The vessel is equipped with 6 torpedo tubes, all 533 mm in diameter. A variety of torpedoes can be utilized, including the {{Wpl|Black Shark torpedo|Squalo Nero}} heavyweight torpedo. Submarines in the Lumenic Armada are equipped to fire the [[TREXSA Espada]] missile, which is designed for anti-ship, anti-submarine, and land attack missions and is capable of being fired from a variety of naval platforms, including submarines and surface vessels.  


The Undine class is equipped wth 6 torpedo tubes, all 533 mm in diameter. A variety of torpedoes can be utilized, including the Aisling {{Wpl|Black Shark torpedo|Peixe IV}} heavyweight torpedo. Submarines in the Imperial Navy are equipped to fire the [[Areiva Espada|Areiva Espada]] missile, which is designed for anti-ship, anti-submarine, and land attack missions and is capable of being fired from a variety of naval platforms, including submarines and surface vessels.  
For defense against {{Wpl|anti-submarine warfare}} aircraft, the ''Legoli''-class is capable of utilizing the [[Vaccari Pastinaca]], a short range fiber-optic guided missile fired from the submarines torpedo tube. This missile can be fired while the submarine is submerged and is designed to minimizing the boats detection after launching the missile. It allows the vessel to defend itself from ASW aircraft without being located or exposing itself to enemy fire. Although primarily intended for use against aircraft, the Pastinaca can be used against surface or coastal land targets. These missiles are stored inside the launch tube in magazine containing four missiles.


For defense against {{Wpl|anti-submarine warfare}} aircraft, the Undine-class is capable of utilizing the [[Areiva Lanza|Areiva Lanza]], a short range fiber-optic guided missile fired from the submarines torpedo tube. This missile can be fired while the submarine is submerged and is designed to minimizing the boats detection after launching the missile. It allows the Undine class to defend itself from ASW aircraft without being located or exposing itself to enemy fire. Although primarily intended for use against aircraft, the Lanza can be used against surface or coastal land targets. These missiles are stored inside the launch tube in magazine containing four missiles.
==Operational history==


==Operational history==
In 2019, the Lumenic Armada authorized funding for six more ''Legoli''-class vessels to be laid down at the Aliano Shipyard in Poilina. These vessels will replace the remaining six ''Gioia''-class vessels in service with the Lumenic Armada, and are expected to be completed by 2023, and in service no later than 2025.


==Operators==
==Operators==


* {{flag|Temuair}}
* {{flag|Luminerra}}
** [[Imperial Navy of Temuair]]
** [[Lumenic Armada]]


==Ships in class==
==Ships in class==
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!Name
!Name
|-
|-
| {{Flag|Temuair}} || S801 || Sombra
| {{Flag|Luminerra}} || S801 || NA ''Ombra''
|-
| {{Flag|Luminerra}} || S802 || NA ''Fantasma''
|-
| {{Flag|Luminerra}} || S803 || NA ''Spirito''
|-
| {{Flag|Luminerra}} || S804 || NA ''Anima''
|-
|-
| {{Flag|Temuair}} || S802 || Fantasma
| {{Flag|Luminerra}} || S805 || NA ''Diavolo''
|-
|-
| {{Flag|Temuair}} || S803 || Recolector
| {{Flag|Luminerra}} || S806 || NA ''Spettro'' 
|-
|-
| {{Flag|Temuair}} || S804 || Banshee
| {{Flag|Luminerra}} || S807 || NA ''Sussurro''
|-
|-
| {{Flag|Temuair}} || S805 || Diaño
| {{Flag|Luminerra}} || S808 || NA ''Apparizione''
|-
|-
| {{Flag|Temuair}} || S806 || Espírito 
| {{Flag|Luminerra}} || S809 || NA ''Chimera''
|-
|-
| {{Flag|Temuair}} || S807 || Sussurro
| {{Flag|Luminerra}} || S810 || NA ''Revanente''
|-
|-
| {{Flag|Temuair}} || S808 || Besta
| {{Flag|Luminerra}} || S811 || NA ''Tempesta''
|-
|-
| {{Flag|Temuair}} || S809 || Quimera
| {{Flag|Luminerra}} || S812 || NA ''Vendicatore''
|-
|-
| {{Flag|Temuair}} || S810 || Demo
| {{Flag|Luminerra}} || S813 || NA ''Buio''
|-
|-
| {{Flag|Temuair}} || S811 || Espectro
| {{Flag|Luminerra}} || S814 || NA ''Aggressore''
|-
|-
| {{Flag|Temuair}} || S812 || Alma
| {{Flag|Luminerra}} || S815 || NA ''Mannaro''
|-
|-
| {{Flag|Temuair}} || S813 || Escuridade
| {{Flag|Luminerra}} || S816 || NA ''Folletto''
|-
|-
| {{Flag|Temuair}} || S814 || Rouge
| {{Flag|Luminerra}} || S817 || NA ''Sparire''
|-
|-
| {{Flag|Temuair}} || S815 || Homelobo
| {{Flag|Luminerra}} || S818 || NA ''Impaccio''
|-
|-
| {{Flag|Temuair}} || S816 || Aniquilador
| {{Flag|Luminerra}} || S819 || NA ''Devastatore''
|-
|-
| {{Flag|Temuair}} || S817 || Desaparición
| {{Flag|Luminerra}} || S820 ||
|-
|-
| {{Flag|Temuair}} || S818 || Caída
| {{Flag|Luminerra}} || S821 ||
|-
|-
| {{Flag|Temuair}} || S819 || Esquecemento
| {{Flag|Luminerra}} || S822 ||
|-
|-
| {{Flag|Temuair}} || S820 || Ruína
| {{Flag|Luminerra}} || S823 ||
|-
|-
| {{Flag|Temuair}} || S821 || Veneno
| {{Flag|Luminerra}} || S824 ||
|-
|-
| {{Flag|Temuair}} || S822 || Revenante
| {{Flag|Luminerra}} || S825 ||
|-
|-
|}
|}


[[Category: Temuair]]
[[Category: Luminerra]]
[[Category: Armed Forces of the Temuair Empire]]
[[Category:Lumenic Legion]]
[[Category: Weapon Systems in Pardes]]
[[Category: Naval Vessels in Pardes]]

Latest revision as of 18:28, 29 June 2022

U 34 in Fahrt.jpg
S801 Sombra, the lead ship of the Undine-class.
Class overview
Name: Legoli-class
Builders: Cappelli Costruzione Marina S.p.A
Operators:  Luminerra
Preceded by: Gioia-class
Built: list error: <br /> list (help)
1996 - 2010
2020 -
In commission: 2002 - present
Planned: 25
Building: 6
Completed: 19
Active: 19
General characteristics
Type: Attack submarine (SSP)
Displacement: list error: <br /> list (help)
Surfaced: 1450 tons
Submerged: 1830 tons
Length: 57.2 m (187.66 ft)
Beam: 7 m (22.96 ft)
Draft: 6 m (19.68 ft)
Propulsion: list error: <br /> list (help)
Electric propulsion motor on permanent magnets
Storage battery with increased service life
2 diesel Air Independent Propulsion (AIP) systems based on oxygen-hydrogen fuel cells
1 shaft
2,700 hp (2,013 kW).
Speed: list error: <br /> list (help)
Submerged: 21 knots (24 mph; 39 km/h)
Surfaced: 10 knots
Range: 8,000 nm (14,800 km, or 9,196 miles) at 8 knots (15 km/h) surfaced
Endurance: 3 weeks without snorkeling, 12 weeks overall
Test depth: over 700 m (2,296 ft)
Complement: 5 officers, 22 men
Sensors and
processing systems:		 list error: <br /> list (help)
Guardiano ES B/NEP-15 integrated sonar system
ECONLU B/NRN-98 I-band navigation radar
B/NUC-99 communications system
Stella Nord satellite navigation system.
Electronic warfare
& decoys:		 Guardiano ES B/NCQ-89 electronic warfare suite
Armament: list error: <br /> list (help)
6 x 533 mm torpedo tubes (in 2 forward pointing groups of 3) with a mixture of 20 torpedoes or TREXSA Espada missiles
12 Vaccari Pastinaca surface to air missiles
1 x Srad CA-30/90 30 mm recoilless autocannon on retractable mast
24 external naval mines (optional)
Aircraft carried: 3 x unmanned aerial vehicles

The Legoli-class submarine is a conventional powered attack submarine developed by Cappelli Costruzione Marina S.p.A. It is in service with the Lumenic Armada. It features diesel propulsion and an additional air-independent propulsion (AIP) system using a proton exchange membrane (PEM) hydrogen fuel cells, the second known vessel to use a fuel cell propulsion system. The submarine is capable of high speed operation using its diesel powered engine or use its AIP system for silent operations, allowing it to stay submerged for up to three weeks continuously. The system is also said to be vibration-free and extremely quiet, while the submarine itself is entirely undetectable by magnetic anomaly detector thanks to its non-magnetic hull.

Development

The Legoli-class was designed to replace the aging Gioia-class submarines in service with the Lumenic Armada

Description

The Legoli-class is designed for anti-shipping and anti-submarine operations both at sea and within the a littoral zone. The design and arrangement of the stern planes allows the vessel to operate within waters as shallow as 17 m (55 ft). This feature, relatively unique among modern attack submarines, facilitates covert operations by allowing combat swimmers to be deployed closer to shore.

The Undine-class was designed with stealth in mind, both when operating underwater and when surfaced. The vessels prismatic hull cross-section and smoothly faired transitions from the hull to the sail, vastly improve the boat's stealth characteristics by reducing its radar cross section. The hull and internal compartments are all constructed of nonmagnetic materials, thereby reducing the vessels magnetic signature and rendering it undetectable by magnetic anomaly detectors

The vessels unique air-independent propulsion allows for virtual silent running while operating underwater, even at high speed. To reduce the inherent dangers of hydrogen–oxygen propulsion, namely fires and explosions, the storage tanks for the fuel and oxidizing agent are located between the pressure hull and outer light hull, thereby placing them outside of the crew area. The gases are piped through the pressure hull to the fuel cells as needed to generate electricity, however, this arrangement minimizes the amount of gas present in the crew area at a given time.

The command and control systems aboard the Undine-class are highly integrated and based on a high-performance databus and a distributed computer system. These systems include sophisticated command and weapons control systems and a sophisticated submarine communications buoy system manufactured by Guardiano ES. The ships integrated sonar, also by Guardiano ES, includes four medium frequency passive sonar sets arranged in a cylindrical array, as well as a low frequency towed array, a flank array sonar for low / medium-frequency detection, and a high frequency mine detection system. In addition, the ship is equipped to preform passive sonar ranging, and is equipped with a hostile sonar interception device.

The periscope, designed and produced by Opere Difesa Integrate, is equipped with an laser rangefinder, as well as infrared and thermal vision equipment. The periscope is linked into the submarines Stella Nord satellite navigation system.

Weapons

The Legoli-class is equipped with a variety of weapons systems, including torpedo, missiles, and a 30 mm cannon in a retractable mast. The 30 mm cannon, produced by Srad, can be fired without the vessel surfacing, and is designed to support diver operations as well as to engage light surface targets or fire warning shots. The vessel is equipped with 6 torpedo tubes, all 533 mm in diameter. A variety of torpedoes can be utilized, including the Squalo Nero heavyweight torpedo. Submarines in the Lumenic Armada are equipped to fire the TREXSA Espada missile, which is designed for anti-ship, anti-submarine, and land attack missions and is capable of being fired from a variety of naval platforms, including submarines and surface vessels.

For defense against anti-submarine warfare aircraft, the Legoli-class is capable of utilizing the Vaccari Pastinaca, a short range fiber-optic guided missile fired from the submarines torpedo tube. This missile can be fired while the submarine is submerged and is designed to minimizing the boats detection after launching the missile. It allows the vessel to defend itself from ASW aircraft without being located or exposing itself to enemy fire. Although primarily intended for use against aircraft, the Pastinaca can be used against surface or coastal land targets. These missiles are stored inside the launch tube in magazine containing four missiles.

Operational history

In 2019, the Lumenic Armada authorized funding for six more Legoli-class vessels to be laid down at the Aliano Shipyard in Poilina. These vessels will replace the remaining six Gioia-class vessels in service with the Lumenic Armada, and are expected to be completed by 2023, and in service no later than 2025.

Operators

Ships in class

Country Pennant
number 		Name
 Luminerra S801 NA Ombra
 Luminerra S802 NA Fantasma
 Luminerra S803 NA Spirito
 Luminerra S804 NA Anima
 Luminerra S805 NA Diavolo
 Luminerra S806 NA Spettro
 Luminerra S807 NA Sussurro
 Luminerra S808 NA Apparizione
 Luminerra S809 NA Chimera
 Luminerra S810 NA Revanente
 Luminerra S811 NA Tempesta
 Luminerra S812 NA Vendicatore
 Luminerra S813 NA Buio
 Luminerra S814 NA Aggressore
 Luminerra S815 NA Mannaro
 Luminerra S816 NA Folletto
 Luminerra S817 NA Sparire
 Luminerra S818 NA Impaccio
 Luminerra S819 NA Devastatore
 Luminerra S820
 Luminerra S821
 Luminerra S822
 Luminerra S823
 Luminerra S824
 Luminerra S825
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