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CV90 Mjolner

120 mm self-propelled mortar system

CV90 Mjolner mortar system

The CV90 Mjolner mortar system was adopted by the Swedish Army

 
 
Country of origin Sweden
Entered service 2019
Crew 3
Dimensions and weight
Weight ~ 22 t
Length 6.47 m
Width 3.1 m
Height ~ 2.8 m
Armament
Main gun 2 x 120 mm mortars
Machine guns provision for 12.7, or 7.62 mm machine gun
Shell weight 12 ~ 15 kg
Maximum firing range 9 km (standard shells)
13 km (extended-range shells)
Maximum rate of fire 16 rpm
Elevation range + 45 to + 85 degrees
Traverse range 60 degrees
Ammunition load
Main gun up to 104 rounds
Machine guns -
Mobility
Engine Scania DS14 diesel
Engine power 550 hp
Maximum road speed 70 km/h
Range 300 km
Maneuverability
Gradient 60%
Side slope 40%
Vertical step 2.9 m
Trench 1.4 m
Fording Amphibious (?)

 

   The CV90 Mjolner is a recent 120 mm self-propelled mortar system. It was developed in Sweden by BAE Systems Hagglunds. It integrated a new Mjolner turret with two 120 mm mortars on a chassis of the CV90 infantry fighting vehicle. In the Northern mythology Mjolner is the hammer of the god Thor - one of the most fearsome weapons capable of leveling mountains. This combination of a Mjolner turret on the CV90 chassis was adopted by the Swedish military. Production contract for 40 artillery systems was signed in 2016. Deliveries to the Swedish military commenced in 2019 and were planned to be completed in 2020. Its Swedish designation is the Granatkastarpansarbandvagn 90, or GRKPBV 90. These will be used in mechanized battalions to increase indirect fire support.

   More than a decade ago BAE Systems Hagglunds developed another AMOS mortar system with two 120 mm breech-loaded mortars. It was a new generation weapon, designed for rapid rate of fire. Swedish military ordered two AMOS systems on the CV90 chassis, though there were no further orders. The Mjolner is another attempt to create a close support weapon with a rapid rate of fire. Though it has a more simple design and is overall a less complicated weapon. As with the AMOS turret, the Mjolner turret can be integrated on other suitable wheeled or tracked armored vehicle.

   The Mjolner turret uses two 120 mm muzzle-loaded mortars. Mortars are loaded using a mechanical system. Though loading is only partially automated and involves manual labor. Still though the loader operates under armor protection.

   Maximum rate of fire is a whooping 16 rounds per minute. Rate of sustained fire is 6 rounds per minute.

   This mortar system is compatible with all standard 120 mm mortar ammunition as well as smart guided ammunition including the Swedish Strix precision guided munitions. Standard shells have a maximum range of up to 9 km. This system can also use extended-range shells that give a maximum range of 13 km. The Strix guided munitions have a range of 5 km.

   A total of 104 mortar shells can be stored inside the vehicle. A total of 56 shells are stored in the turret bustle. Another 48 shells can be stored inside the hull.

   Mortars can be elevated to +85 degrees, though it seems that the turret traverse is limited to 60 degrees.

   In its basic form the Mjolner turret provides protection only against 7.62x39 mm armor-piercing rounds and artillery shell splinter. Though it was designed to accept add-on armor kit for a higher level of protection. Enhanced protection is proposed as an option. The turret weight ranges from 6 to 8.1 t depending on protection level.

   The hull is of welded steel armor construction. It is claimed that front of the turret withstands hits from 30 mm armor-piercing rounds, used by the older Russian IFVs and ACVs. All-round protection of the hull is against 14.5 mm armor-piercing rounds. Vehicle withstand mine blasts equivalent to 10 kg of TNT. Furthermore add-on ceramic armor kit can be fitted for the hull for all-round protection against 30 mm armor-piercing rounds. It also further improves protection against blasts and improvised explosive devices. Interior of the CV90 is lined with Kevlar liner to prevent spalling.

   This artillery system has brief reaction and redeployment times. It takes less than 2 minutes to open fire and less than 1 minute to leave the firing position. Brief reaction and redeployment times become extremely important in modern combat where artillery radars and counter-batteries are widely used.

   A demonstrator of the CV90 Mjolner carried no defensive weapons. Though a roof-mounted machine gun, or remotely-controlled weapon station can be fitted.

   This fire support vehicle is operated by a crew of 3, including commander, loader and driver.

   The CV90 is powered by a Scania DS14 diesel engine, developing 550 hp. It seems that with some preparation this armored vehicle is amphibious.

 

 

 
CV90 Mjolner mortar system

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CV90 Mjolner mortar system

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CV90 Mjolner mortar system

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CV90 Mjolner mortar system

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CV90 Mjolner mortar system

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CV90 Mjolner mortar system

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CV90 Mjolner mortar system

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