Guns
30 mm/60 md. 60
The weapon is a fully automatic naval twin 30 mm gun. Its primary function is anti-aircraft and CIWS. It is mounted in an enclosed automatic turret and directed by radar. This gun is an automatic, stabilized mounting containing two 30 mm liquid-cooled revolver cannons, with the automatics working from the power of the exhaust. The guns are belt fed, with 500 rounds per belt.
Specifications
Calibre: 30 mm
Weight: 1,5 t
Elevation: -15 / +87°
Rate of fire: 1'500 RPM
Muzzle velocity: 1'100 m/s
Range: maximum 6 km
30 mm/55 md. 69
The gun itself is a 6 barrel Gatling gun. The barrels are in a single block, having exhaust-driven joint automatics. They are belt fed. These weapons form a part of a complete self-defence system, which includes gun, radar, optical and TV control systems. A single system can control two 30 mm guns or one 30 mm and one 60 mm gun. This system can engage air targets at ranges up to 4 km and surface targets at ranges up to 5 km. The TV control system can detect MTB sized ships at the distance of 75 km and the fighter-size air targets at 10 km. This system is completely automatic and does not require human supervision although it can be directed from optical control posts in case of damage or for firing on shore targets.
Variants:
- md. 69 - initial variant
- md. 81 - gun-missile variant, containing two six-barrel blocks and eight LAR-21M missile launchers. The control system can control from one to six mounts and has both radar and optical-TV controls. The missiles are supposed to engage targets from 1,5 to 13 km with the guns taking over at shorter ranges. This increased weight to 15t.
Specifications
Calibre: 30 mm
Weight: 1,8 t (gun + ammo), 9 t (with control systems)
Elevation: -15 / +90°
Rate of fire: 5'500 RPM
Muzzle velocity: 1'100 m/s
Range: maximum 6 km
40 mm/80 md. 52
The weapon was designed to replace the pre-war designs as the medium-calibre anti-air defence on the warships of the Laywenranian Navy. They're featured on many Laywenranian ships, although the role switched from an anti-air weapon more to the task of attacking small surface craft. Nonetheless, they're linked with modern domestic capable FCSs, which enable them to attack incoming missiles, helicopters and aircraft. The gun can be integrated with any analogue or digital fire control system. This mounting is normally unmanned and controlled from the combat information centre but can be locally controlled from an on-mount operator's console for aiming and will remain fully stabilized by the gun's local gyros. In case of total power supply failure, the gun can be layed and fired manually. A radar on the gun barrel is used for correcting the FCS solution.
Variants
- md. 52 - initial variant, introduced 1952.
- md. 68 - rate of fire increased to 500 RPM, reliability of feeding mechanism increased
Specifications
Calibre: 40 mm
Weight: 4375 kg
Elevation: -15 / +85°
Rate of fire: 300 RPM
Muzzle velocity: 1'100 m/s
Range: 10km @ 45°, AA Ceiling 5,5 km @ 85°
By Roché Petersen - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=21747377
60 mm/75 md. 58
The gun was specifically designed as armament for smaller ships and could be found on torpedo and missile boats until it was replaced by the larger 80 mm gun. It was intended to be used against other small ships, boats or against land targets. It was either directed by radar or manually. The gun was belt-fed. The barrel was of monobloc construction with vertical blade type breech. The turret itself is unarmored but was hermetically sealed with 6 mm thick aluminium sides.
Specifications
Calibre: 60 mm
Weight: 15 t
Elevation: -15 / +85°
Rate of fire: 200 RPM
Muzzle velocity: 1'100 m/s
Range: 10km @ 45°, AA Ceiling 6 km @ 85°
80 mm/75 md. 78
The weapon is a naval gun mounted in an enclosed turret, that may be used against sea, coastal, and aerial targets, including low flying anti-ship missiles. The system is designed to arm small displacement ships and comprises the Gun Mount with a Fire Control Radar System. It has high survivability owing to the autonomous use of the gun mount controlled from the optical sight in the absence of control from the radar system, as well as a capability for fire if the power supply is lost. The lethal radius against aircraft is about 8m. This system uses radar, TV and laser designators.
Specifications
Calibre: 80 mm
Weight: 16,7 t
Elevation: -15 / +85°
Rate of fire: 150 RPM
Muzzle velocity: 1'010 m/s
Range: 16km @ 45°, AA Ceiling 11 km @ 85°
100 mm/58 md. 61
Laywenranian 100 mm naval guns are multipurpose artillery pieces (anti-air, anti-ship, ground), capable of a high rate of fire. The system features a completely automatic action and control. The ammunition is stored in a magazine underneath the turret, and fed to the gun by a lift regularly manned by two crewmen. A flexible pipe allows feeding the gun under any orientation.
Rounds of ammunition are fed automatically; empty shell is ejected through an evacuation door on the front of the turret after firing. Cooling is provided by water circulating in layers of steel around the tube of the gun, and by an injection of air and water after every shot.
The turret can be used in three modes:
- Remote control by the main weapon control system, from the Operation Center
- Remote control from a secondary weapon control system
- Manual control by the joystick at the left of the gun
In manual mode, two crewmen serve the turret: the gunner, at the left of the gun, uses a joystick to point the gun, and optic ranging and aiming instruments to direct the fire; the observer monitors the operations from the back of the turret.
Aiming is performed by two electric motors, one for the elevation (left of the turret) and the other for the traverse (right of the turret). Two hydraulic systems feed the gun. The gun can also be moved manually for maintenance.
Since it is usually installed on the bow deck of warships, these turrets are often exposed to breaking waves and humidity. To prevent corrosion and mechanical problems, the turret is made water-tight by rubber joints. The gun itself is sealed by a rubber tampion, which can be shot through in case of emergency.
The plexiglass view bay used to manually aim the gun is usually protected by a steel cover.
Specifications
Calibre: 100 mm
Weight: 21 t
Elevation: -5 / +80°
Rate of fire: 80 RPM
Muzzle velocity: 900 m/s
Range: 17km @ 45°, AA Ceiling 6 km @ 80°
130 mm/70 md. 73
The weapon is a naval gun mounted in an enclosed turret, that may be used against sea, coastal, and aerial targets, including low flying anti-ship missiles. The mountings are controlled by Fire Control Radar Systems, which include a 2-band radar, low light TV, laser designator, system for selecting moving targets and an ESM system. This system has a range of 90 km. The system provides the integration of all of the shipboard radars, exact measurement of all parameters of movement for all air, sea and land targets, exact bearing to the target, correction of shooting by splashes and automatic tracking of shells.
The mounts are triaxially stabilized and the barrels are liquid cooled.
Specifications
Calibre: 130 mm
Weight: 60,7 t
Elevation: -12 / +80°
Rate of fire: 40 RPM
Muzzle velocity: 850 m/s
Range: 23km @ 45°, AA Ceiling 7 km @ 80°
