HP-76/1: Difference between revisions

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{{Infobox weapon
{{Infobox weapon
| name              = HP-76/1
| name              = HP-76/1
| image              = [[File:Parts_Sheet_HP_76_1.png|300px]]
| image              = Parts_Sheet_HP_76_1.png
| image_size        =  
| image_size        = 275
| caption            = Diagram of the three HP-76/1 variants
| caption            = The HP-76/1 (bottom) and HP-76/1Y (top)
| origin            = {{flag|Menghe}}
| origin            = [[Menghe]]
| type              = {{wp|Naval gun}}
| type              = {{wp|Naval gun}}
<!-- Type selection -->
<!-- Type selection -->
Line 15: Line 15:
| is_UK              =
| is_UK              =
<!-- Service history -->
<!-- Service history -->
| service            = 1980s
| service            = 2006
| used_by            =
| used_by            =
| wars              =
| wars              =
<!-- Production history -->
<!-- Production history -->
| designer          =  
| designer          =  
| design_date        =  
| design_date        = 1999
| manufacturer      = Gyŏngsan Naval Artillery Plant
| manufacturer      = Gyŏngsan Naval Artillery Plant
| unit_cost          =
| unit_cost          =
| production_date    = 1980s-present
| production_date    = 2003
| number            =
| number            =
| variants          = HP-76/1G, HP-76/1SD
| variants          = HP-76/1Y
<!-- General specifications -->
<!-- General specifications -->
| spec_label        = HP-76/1
| spec_label        = HP-76/1
| weight            = 17,400 kg with ammunition
| weight            = 17,400 kg
| length_overall    = 6.57 meters
| length_overall    = 6.55 m
| barrel_length      = 4.56 meters
| barrel_length      = 4.484 m
| width              =  
| width              = 3.47 m
| height            = 3.34 meters deck to sight
| height            = 3.45 m (deck to sight)
| diameter          = 3.53 meters below deck
| diameter          =  
| crew              = 2 (4 in manual control mode)
| crew              =  
<!-- Ranged weapon specifications -->
<!-- Ranged weapon specifications -->
| cartridge          =  
| cartridge          =  
Line 44: Line 44:
| rate              = 120 rpm (max)
| rate              = 120 rpm (max)
| velocity          = 980 m/s
| velocity          = 980 m/s
| range              =  
| range              = 10 km
| max_range          = 15.5 km
| max_range          = 15.5 km
| feed              = 128 ready to fire rounds
| feed              = 152 ready to fire rounds
| sights            = fire-control radar<br/>
| sights            = fire-control radar<br/>
electro-optical sight
electro-optical sight
Line 57: Line 57:
}}
}}


The '''HP-76/1''' ([[Menghean language|Menghean]]: 해군 포탑 76/1, ''Haegun Potab 76/1'', "Navy Turret 76/1") is a [[Menghe|Menghean]] 76mm naval gun mounted in an enclosed, single-barrel turret, for use on light to medium-displacement warships such as frigates, corvettes, and patrol craft. It is used in combination with the HGR-76 fire-control radar, and also contains its own electro-optical sight for passive targeting. It can be used against aircraft, helicopters, missiles, land targets, and other warships.
The '''HP-76/1''' ([[Menghean language|Menghean]]: 해군 포탑 76/1, ''Haegun Potab 76/1'', "Navy Turret 76/1") is a [[Menghe|Menghean]] 76mm naval gun mounted in an enclosed, single-barrel turret, for use on light to medium-displacement warships such as frigates, corvettes, and patrol craft. It is derived from the {{wp|AK-176}} naval gun turret, but uses an angular composite shell to reduce radar reflection, and also features improved automation and a 152-round carousel. It can be used against aircraft, helicopters, missiles, land targets, and other warships.


==Design==
==Design==
The HP-76/1 turret is fully automated, and integrated into the ship's fire-control system, though a manual backup option exists for use if the ship's power supply is lost or if the fire-control radar is damaged. In powered mode, it can traverse at a rate of 45 degrees per second, completing a 180-degree rotation in four seconds.
The HP-76/1 turret is fully automated, and integrated into the ship's fire-control system, though manual four-man backup controls exist for use if the ship's power supply is lost or if the fire-control radar is damaged. In powered mode, it can traverse at a rate of 45 degrees per second, completing a 180-degree rotation in four seconds.


Its autoloader offers the crew a selectable rate of fire, with options of 30 rpm, 60 rpm, and 120 rpm. The latter option is only available for short bursts, and would require 30 minutes to cool down after one minute of continuous firing. A "typical" ammunition load contains 128 rounds and penetrates only one deck into the ship's hull, but on larger warships an expanded two-deck magazine assembly with 256 rounds is available. The gun itself is 4.56 meters, or 60 {{wp|Caliber_(artillery)|calibers}}, in length, and is surrounded by a water-cooled sleeve which can circulate water drawn in from outside the ship.
Its autoloader offers the crew a selectable rate of fire, with options of 30 rpm, 60 rpm, and 120 rpm. The latter option is only available for short bursts, and would require 30 minutes to cool down after one minute of continuous firing. A "typical" ammunition load contains 128 rounds and penetrates only one deck into the ship's hull, but on larger warships an expanded two-deck magazine assembly with 256 rounds is available. The gun itself is 4.484 meters, or 59 {{wp|Caliber_(artillery)|calibers}}, in length, and is surrounded by a thermal sleeve which can circulate cooling water drawn in from outside the ship.


The system's current high-explosive rounds are proximity-fused, and can be used against airborne targets, including {{wp|anti-ship missile}}s. This allows the turret to function as a type of {{wp|Close-in_weapon_system|close-in weapon system}}. Against airborne targets, it has an effective range of 12 kilometers, and an engagement ceiling of 7,000 meters. Maximum range against surface targets is 16 kilometers. The gun's elevation ranges from -15 to +85 degrees, and its horizontal traverse is +/- 170 degrees at maximum, though it is usually limited by the positioning of the ship's superstructure.
The original high-explosive rounds used by the mount are proximity-fused, and can be used against airborne targets, including {{wp|anti-ship missile}}s. This allows the turret to function as a type of {{wp|Close-in_weapon_system|close-in weapon system}}, though its accuracy is mixed. Against airborne targets, it has an effective range of 12 kilometers, and an engagement ceiling of 7,000 meters. Maximum range against surface targets with this ammunition is 15.5 kilometers. The gun's elevation ranges from -15 to +85 degrees, and its horizontal traverse is +/- 170 degrees at maximum, though it is usually limited by the positioning of the ship's superstructure.


==HP-76/1G==
==HP-76/1Y==
The HP-76/1G (indicating 가벼운, ''Gabyŏ-un'', "light") is a lightweight variant of the HP-76/1 first displayed at the 2014 international marine exposition in Sunju. The entire unit weighs only 10 tonnes, compared to 17.4 tonnes for the basic HP-76/1, achieving weight savings through its use of composite materials and a lighter loading unit. It also sacrifices some capabilities in the interest of saving weight and space, limiting maximum rate of fire to 60 rounds per minute and reducing magazine capacity to 96 rounds. The manual operation option is also removed, though the ship's crew can still operate the weapon remotely by means of a fold-away electro-optical sight on the roof if the fire-control radar is damaged or subjected to jamming.
The HP-76/1Y (indicating 유도탄, ''Yudotan'', missile or guided round) is a modified version of the HP-76/1 mount designed to fire guided ammunition. It can be easily distinguished by the large protrusion on the left cheek of the turret, which contains a target tracking and illumination radar, as well as the radar's supporting systems. The HP-76/1Y mount is otherwise identical to the HP-76/1, and it is easy to replace the latter with the former during major maintenance periods or mid-life refits.


The system is mainly being marketed for export, as an armament option for corvettes and light patrol craft.
The guided round fired by the HP-76/1Y is designated '''PT-76JY''' and also marketed under the codename '''Ballob''', or "Talon." It is a license-produced version of the [[Banbha]]n DART projectile, but seated in a 76mm rather than 75mm sabot. It employs automatic command guidance, or {{wp|Missile_guidance#Automatic_command_to_line-of-sight|ACLOS}}, with the mount feeding target updates to the projectile mid-flight. The control surfaces are located in the nose, and the body contains a 2.5kg warhead and proximity fuse. The entire projectile is subcaliber and fired from a sabot assembly, increasing the muzzle velocity to 1,200 meters per second, for a flight time of 5 seconds to 5 kilometers.


==PT-76 Ballob==
A small-scale mockup of the prototype turret was first unveiled at a Menghean defense expo in 2016, where the placard reported that the Ministry of National Defense was working with the Chŏnggong Design Bureau to develop an indigenous guided 76mm anti-aircraft round expected to enter service in 2020. This mockup placed the radar enclosure on the turret roof, and it was designated HP-76/1SD (''sinsedae'', "next-generation").
In 2016, the Menghean Navy revealed that it was working with the Chŏnggong design bureau to develop a guided 76mm anti-aircraft round, designated PT-76 Ballob (포탄-76 발톱, "Artillery shell, 76mm, "Talon"). This is a sub-caliber, proximity-fused round which receives course-correction commands from the ship's onboard fire-control system. It is intended to improve the system's effectiveness against maneuvering anti-ship missiles.


To support the new course-corrected round, the PT-76 Ballob will be paired with a new turret that incorporates a built-in radar system mounted on the turret roof. The conceptual design displayed in model form in 2016 appeared to use the HP-76/1G turret as its base, and bears the preliminary designation HP-76/1SD (''Sinsedae'', "next-generation").
A recognizable HP-76Y turret was spotted aboard the weapon trials ship [[Plan 1159 weapon trials ship|TMS-751]] in 2018, at first covered by a tarp; the mount was first photographed without the tarp in 2019.


Work on the new guided round appears to be progressing at a slow pace, in part due to a requirement that the basic system be designed indigenously. By some estimates, it will not be ready for service deliveries to the Menghean Navy until 2020 or later.
Chŏnggong reportedly encountered serious issues miniaturizing the control and guidance systems into a subcaliber 76mm shell, and opted for a full-caliber guided shell, which was impaired by a poor muzzle velocity. In 2019, Menghe signed a contract with [[Banbha]] for the import of 75mm DART projectiles, to be modified locally for the HP-76/1Y. Integration of the Banbhan projectiles with the Menghean fire-control radar required two additional years of development and testing, meaning that [[Insŏng-class destroyer|HJ-384 ''Insŏng'']] was commissioned with only a partially operational HP-76/1Y mount: the turret could still fire unguided 76mm rounds, but the radome housing was empty, and would be completed during subsequent maintenance. HJ-389 ''Jinyi'' was the first Insŏng-class destroyer to be commissioned with a fully operational HP-76/1Y system.


==Ships using the system==
==Ships using the system==
* [[Ri Sun-hŭi class corvette]]
* [[Chanjok Jachido-class cruiser]] (after refits)
* [[Plan 1159 weapon trials ship]]
* [[Pyŏng'an-class destroyer]] (after refits)
* [[Yechŏn-class frigate]] (and subclasses)


==See also==
==See also==

Latest revision as of 02:39, 30 March 2023

HP-76/1
Parts Sheet HP 76 1.png
The HP-76/1 (bottom) and HP-76/1Y (top)
TypeNaval gun
Place of originMenghe
Service history
In service2006
Production history
Designed1999
ManufacturerGyŏngsan Naval Artillery Plant
Produced2003
VariantsHP-76/1Y
Specifications (HP-76/1)
Weight17,400 kg
Width3.47 m
Height3.45 m (deck to sight)

Shell weight12.4 kg
Caliber76.2 mm
Barrels1
Recoil380 to 500 mm
Elevation-15° to +85°
Traverse±170°
Rate of fire120 rpm (max)
Muzzle velocity980 m/s
Effective firing range10 km
Maximum firing range15.5 km
Feed system152 ready to fire rounds
Sightsfire-control radar
electro-optical sight

The HP-76/1 (Menghean: 해군 포탑 76/1, Haegun Potab 76/1, "Navy Turret 76/1") is a Menghean 76mm naval gun mounted in an enclosed, single-barrel turret, for use on light to medium-displacement warships such as frigates, corvettes, and patrol craft. It is derived from the AK-176 naval gun turret, but uses an angular composite shell to reduce radar reflection, and also features improved automation and a 152-round carousel. It can be used against aircraft, helicopters, missiles, land targets, and other warships.

Design

The HP-76/1 turret is fully automated, and integrated into the ship's fire-control system, though manual four-man backup controls exist for use if the ship's power supply is lost or if the fire-control radar is damaged. In powered mode, it can traverse at a rate of 45 degrees per second, completing a 180-degree rotation in four seconds.

Its autoloader offers the crew a selectable rate of fire, with options of 30 rpm, 60 rpm, and 120 rpm. The latter option is only available for short bursts, and would require 30 minutes to cool down after one minute of continuous firing. A "typical" ammunition load contains 128 rounds and penetrates only one deck into the ship's hull, but on larger warships an expanded two-deck magazine assembly with 256 rounds is available. The gun itself is 4.484 meters, or 59 calibers, in length, and is surrounded by a thermal sleeve which can circulate cooling water drawn in from outside the ship.

The original high-explosive rounds used by the mount are proximity-fused, and can be used against airborne targets, including anti-ship missiles. This allows the turret to function as a type of close-in weapon system, though its accuracy is mixed. Against airborne targets, it has an effective range of 12 kilometers, and an engagement ceiling of 7,000 meters. Maximum range against surface targets with this ammunition is 15.5 kilometers. The gun's elevation ranges from -15 to +85 degrees, and its horizontal traverse is +/- 170 degrees at maximum, though it is usually limited by the positioning of the ship's superstructure.

HP-76/1Y

The HP-76/1Y (indicating 유도탄, Yudotan, missile or guided round) is a modified version of the HP-76/1 mount designed to fire guided ammunition. It can be easily distinguished by the large protrusion on the left cheek of the turret, which contains a target tracking and illumination radar, as well as the radar's supporting systems. The HP-76/1Y mount is otherwise identical to the HP-76/1, and it is easy to replace the latter with the former during major maintenance periods or mid-life refits.

The guided round fired by the HP-76/1Y is designated PT-76JY and also marketed under the codename Ballob, or "Talon." It is a license-produced version of the Banbhan DART projectile, but seated in a 76mm rather than 75mm sabot. It employs automatic command guidance, or ACLOS, with the mount feeding target updates to the projectile mid-flight. The control surfaces are located in the nose, and the body contains a 2.5kg warhead and proximity fuse. The entire projectile is subcaliber and fired from a sabot assembly, increasing the muzzle velocity to 1,200 meters per second, for a flight time of 5 seconds to 5 kilometers.

A small-scale mockup of the prototype turret was first unveiled at a Menghean defense expo in 2016, where the placard reported that the Ministry of National Defense was working with the Chŏnggong Design Bureau to develop an indigenous guided 76mm anti-aircraft round expected to enter service in 2020. This mockup placed the radar enclosure on the turret roof, and it was designated HP-76/1SD (sinsedae, "next-generation").

A recognizable HP-76Y turret was spotted aboard the weapon trials ship TMS-751 in 2018, at first covered by a tarp; the mount was first photographed without the tarp in 2019.

Chŏnggong reportedly encountered serious issues miniaturizing the control and guidance systems into a subcaliber 76mm shell, and opted for a full-caliber guided shell, which was impaired by a poor muzzle velocity. In 2019, Menghe signed a contract with Banbha for the import of 75mm DART projectiles, to be modified locally for the HP-76/1Y. Integration of the Banbhan projectiles with the Menghean fire-control radar required two additional years of development and testing, meaning that HJ-384 Insŏng was commissioned with only a partially operational HP-76/1Y mount: the turret could still fire unguided 76mm rounds, but the radome housing was empty, and would be completed during subsequent maintenance. HJ-389 Jinyi was the first Insŏng-class destroyer to be commissioned with a fully operational HP-76/1Y system.

Ships using the system

See also