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Tehila Class Destroyer (Flight II)

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Nachmere
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Tehila Class Destroyer (Flight II)

Postby Nachmere » Wed Dec 01, 2021 1:31 pm

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Type: Destroyer

Dimensions
Displacement: 13300 tons (full load)
Length: 180 meters
Beam: 21 meters
Draft: 6.5 meters
Complement: 300 (including air crew)

Propulsion
Integrated Electric Propulsion
3 MMC 2 MMC MAT-2510-30 Gas Turbine (32MW)
2 MMC MAD-V16-4000G Diesel Generators (2.2MW each)
2 MMC Heavy Industries MCM-30 Electric Conversion Motors, driving two shaft 5 blade variable pitch propellers. 128,000 Shaft Horsepower(96 MW).

Performance
Speed(max): 35 knots
Speed(cruise): 20 knots
Range: 7500 nautical miles at cruise speed

Sensors
SES RS-2780 "Lotesh" AESA multipurpose radar
NIP MALAR-D D band AESA radar
2X SES RS-2270 Surface Search Radar (navigation and close range targeting)
SES EHMS-F Hull Mounted Sonar
SES TCAPS-2 Towed Sonar Array
EO/IIR search and targeting system

Countermeasures
SES SEWS Electronic Warfare Suite
"Kaspit" Integrated Decoy System
SES SCM-25 Towed decoy
“Tamnun” anti-torpedo torpedo

Communications and computing
"Mifras" Integrated Bridge System and FCS
BASTION II Battle Management System
Radio and Satellite external communications
Internal PA and radio communication systems

Armament
64 cell Mk.13 strike length VLS (fore)
64 cell Mk. 13 strike length VLS (mid)
-for a total of 128 LRC-2100, ASROC, Morena, Hammerhead, Whipsnake or Viper-5 missiles.
2 16 cell Mk.13 self defense length VLS for Viper-5 missiles (fore and mid)
1 Mk.3 127mm naval gun turret (fore)
2 Mk.8 20mm radar guided CIWS (fore and aft)
2 4-tube 324mm torpedo launchers (aft)

Aviation Facilities
Landing pad and helicopter hangar for medium 2 helicopters.

Cost: 1.8 billion USD
DPR: 4 billion USD


An OOC note: this was made to be an upgrade of the original class. i re-wrote the original for continuity. you can find the original and re-write here. feel free to use the original or its re-write if you purchased the ship before 2021. If you purchased it from 2021 onward, this is the version you purchased.

General

Following the Fatahland war, the Royal Nachmerean Navy embarked on a rearmament and restructuring program that saw older ships retired or put in reserve, and several types of new ships designed and put into service. The RNN was very pleased with the performance of the Tehila (Glory) class guided missile destroyers in that conflict. Though one was lost, the ships proved themselves capable of performing the role planned for them - large, multi-mission surface combatants to replace both older destroyer and cruiser classes. Despite this positive assessment of the class, advances and changes in armament, particularly missile armament, of the newer frigates and corvettes suggested that an upgrade was in order to some aspects of the ship.

The flight II ships maintain the same purpose and capability- to be either excellent air defense ships for RNN carriers, flag ships of smaller surface forces, or even operate alone. But with a new, larger and more advanced array of carried missiles the flight II is better equipped to perform these missions.

General Design

Tehila is a very large destroyer, 180 meters long and displacing 13,000 tons.The ship has a complement of 300, including air crew for the 2 helicopters. The hull shape and wide flaring bow design are optimized for high speed even on rough seas.

The main armament is located in the fore and mid section, between the exhaust stacks, the tall forward superstructure contains the bridge and a tall sensor and communications mast. It is shaped with radar cross section reduction in mind, though the Tehila can not be considered a stealth ship by any means. To the rear of the ship is a second radar mast, a tall communications and EW mast and a helicopter hanger and landing pad.
Propulsion

The Tehila class relies on an Integrated Electric Propulsion (IEP) system to both power the ships systems and drive it. The IEP system on the Tehila includes three 32MW gas turbines, two 2.2MW diesels, and two electric conversion motors. In this setup, the propeller shafts are not mechanically connected to the gas turbines or diesels. The propellers are driven by the electric motors, which are powered by electricity generated by the gas turbines and diesels.
The system offers much in terms of mechanical stability, requires no clutches or gears, and thus not only reduces the overall volume of the propulsion elements, but also makes the ship significantly quieter, an important quality in modern naval engagements.
With both the diesel and gas systems running at full capacity, the Tehila is capable of reaching speeds in excess of 32 knots, but the normal cruising speed is 18 knots.

Sensors

The main sensory system for the Tehila class is the SES RS-2780 “Lotesh” AESA multipurpose radar. The Lotesh (Glarer) is a solid state, Actively Electronically Scanned Array device, with remarkable capabilities. It is used both to detect and engage aircraft and naval vessels.
The radar operates in the S-band and with a power output of 25kW, has a range of 400 kilometers. It can detect and track up to 400 targets on the surface and air. While its rotating design means it constantly has to turn to scan the entire 360 degree arc, it also makes it light enough to mount high on the superstructure of the ship and thus increase its capability to detect close sea skimming missiles and aircraft as well as small vessels.

To further improve radar coverage, a second powerful and long range radar is installed on the ship. This is the Nachmere Precision Instruments MALARD-D. The MALARD-D is a D band, AESA radar ideal for long range aerial detection and tracking. The radar can detect and track and target up to 2000 targets at ranges up to 480km, is highly immune to electronic warfare and is capable of detecting ballistic missiles. MALARD-D is typically used for long range, wide area early warning and detection, allowing the main radar to focus on narrower searches, targeting and missile guidance.

For very close range detection and navigation, helicopter operations, as well as very close targeting, the ship is equipped with two SRS-2270 C-band radars. These are small, short range units mounted in the fore and aft of the superstructure and have a range of 50km.

In addition to the radars the ship is equipped with a state of the art electro optic system for both detecting and engaging targets. 2 360 degree rotating stabilized gimbaled devices are mounted high on the sensor mast. Each includes a highly capable 1280X1024px thermal imager able to detect aircraft and ships at beyond visual range distances, as well as full high definition digital camera, and eyesafe laser rangefinder/designator. Thanks to the combination of excellent thermal imagers and cameras the system is operable in extremely adverse weather, through smoke etc. The electro-optic units are capable of automated tracking of targets at high air speeds even at close range. The system can be used to cue both the ships missiles and the ships 125mm gun.

To detect and engage submarines the Tehila class is equipped with both a hull mounted and towed sonar. The towed system, TCAPS-2 is an advanced, passive and active variable depth sonar capable of operation down to 230 meters and at sea state 6. It is capable of detecting submerged threats out to 60 kilometers from the ship. For constant submarine, mine and torpedo detection the EHMS-F hull mounted sonar is installed. Acting simultaneously in active and passive modes the EHMS-F is capable of detecting submarines out to 35km, as well as providing torpedo warning and tracking.

Armament

The Tehila was the first ship designed to use the BASTION battle management system, which was quickly replaced by BASTION II. In addition it was the first ship to have the "Mifras" Integrated Bridge System and FCS. “Mifras” collects, displays and analyzes data from throughout the ship. The system uses double redundant optic fibers to relay data around the ship. All systems, from propulsion to sensors to weapon arrays are networked, and their status, ammunition inventory, personnel data and other essential information is available throughout the system. “Mifras” and BASTION II are fully integrated, providing the bridge officers full situational awareness, complete and fast control of the ship’s armament. This integration of communications, weapons and sensors allows Tehila to quickly and decisively engage targets.

The Tehila was meant to replace older destroyers and cruisers, and assume both a role of a main air defense ship and a land strike platform. Flight II ships are even better equipped to do so. The main armament consists of two strike length Mk.13 Vertical Launch System. 64 cells are mounted in the front of the ship, and 64 more in the mid section. The LRC-2100 remains the premier land-strike option, now augmented by the more affordable and dual purpose Hammerhead. ASROC is still the primary ASW weapon. The Shavit missiles have been replaced by the more capable Whipsnake - providing longer ranged and more capable air defense. The ASM-150 has been replaced by the far more capable Morena 5, allowing the removal of the box launchers.

Replacing the originally carried SRAA-1 self-defense missile, two 16 missile self defense length Mk.13 arrays are now installed, one fore and one in the midsection (where the ASM-150 launchers were on flight I). These employ the Viper-5 as both a self-defense (anti-missile) missile and short-medium range missile. The Viper-5 is more costly than the SRAA-1, but far more capable and flexible, thanks to its active seeker and longer range.

In addition to the missile launchers, the ship is armed with a Mk.3 125mm/L64 naval gun. The automatically fed gun has a range of 30km using unguided munitions or up to 120km using guided shells. The Mk.3 is mainly intended for shore bombardment, but is a formidable anti-surface and even anti-air weapon. It can be laid onto targets and splash corrected using either the ship’s EO or radar system.

For close-in defence against surface and air threats such as aircraft, missiles and small watercraft, the destroyer is armed with two 20mm Mk.8 cannons. One Mk.8 is mounted forward to the bridge, and one above the rear of the superstructure. Each unit is guided by its own Ku-band radar and electro-optic imager. The 6 rotating barrels fire 4,500 rounds per minute. The Mk.8 is automatic, responding to quickly engage threats at 0-1400m, but can also be manually aimed and fired if needed.
Complementing the anti-submarine missiles that can be launched from the front VLS, the frigate also has two 4 tube launchers for 324mm torpedoes, one starboard and one portside in the rear superstructure.

Electronic Warfare and Countermeasures

Tehila is equipped to identify and defeat electronic and kinetic threats. The SES SEWS electronic warfare suite includes radar and laser warning receivers to identify and jam or counter incoming emissions and munitions. The system is capable of identification and jamming or deception of multiple threats. SEWS uses advanced DRFM techniques and cutting edge power management to jam or spoof hostile ship, aircraft and missile radars. It employs several laser dazzlers to defeat incoming laser guided munitions.

SEWS is operated by a single crew member and is modular enabling expansion according to user requirements. It is seamlessly integrated with BASTION II and the ship’s sensors. If SEWS fails to defend the ship using radar or laser jamming/spoofing, the ship will be defended by the “Kaspit” (Mercury) integrated decoy system. “Kaspit” is a launcher system capable of deploying various types of decoys quickly and according to the type of threat attacking the ship.

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The system comprises 4 360 degree rotating 40 barrel launchers for various decoys, connected to a computerized threat assessment and reaction system. The system is connected both to Mifras and BASTION II, and using the ships sensors allows the operator to deploy the optimal decoy at the optimal location.
Each launcher has 36 115mm tubes and 4 90mm tubes, allowing it to fire the following types of decoys:

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To defend the vessel against torpedoes, the Tehila can deploy the SCM-25 Towed decoy. The decoy is towed behind the ship using a combined tow/signal fiber-optic cable. The decoy emits acoustic signals to lure incoming torpedoes away from the ship.

Flight II saw the addition of the "Tamnun" (Octupus) anti-torpedo torpedo. A launcher is mounted on either side. "Tamnun '' launches a 200mm, 52kg countermeasure at incoming torpedoes, using data from the ship's towed sonar array and hull sonar. The countermeasure uses active homing to locate and attack the torpedo, detonating by proximity fuse and either damages its homing systems or utterly destroys it.

Aviation and boat facilities

The destroyer has a landing pad and split hanger for 2 medium sized helicopters, used for anti-submarine, scouting and general duties. The ship also has a hangar for storing, fueling and maintaining said helicopters.
Tehila carries two 9m rigid hull inflatable boats, launched from hangars located portside and starboard under the bridge/mast area, along with a crane for lowering and raising the boat.


All purchases must be made through our main storefront.
Last edited by Nachmere on Tue Jan 18, 2022 12:54 pm, edited 6 times in total.

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