Boforst 155 mm BONUS Round For K9 Thunder Moukari SPG Mobile Artillery [4K] @Tankspotting
Boforst 155 mm BONUS Round For K9 Thunder Moukari SPG Mobile Artillery [4K]  @Tankspotting
Uploaded September 2024 | Updated September 2026, 1 week ago
[4K] Finnish army K9 Thunder (Moukari) SPG 155 mm howitzers can shoot many different kinds of munitions. Bofors BONUS (Bofors Nutating Shell)is a 155 mm artillery cluster round co-developed and manufactured by Bofors of Sweden and Nexter of France. It was designed to fulfill a long range, indirect fire, top attack requirement against armoured fighting vehicles.
The BONUS base bleed carrier shell contains two submunitions, which descend over the battlefield on winglets and attack targets with explosively formed penetrator warheads.
Mass 44.6 kg unfused
Length 898 mm unfused
Diameter 155 mm

155 BONUS is a 155 mm NATO artillery round that consists of a 47-kilogram (104 lb) heavy artillery projectile containing two autonomous, sensor-fused, fire-and-forget submunitions.
After the submunition is released it opens two winglets. While descending, the submunition rotates, scanning the area below with multi-frequency infrared sensors and LiDAR that compares the detected vehicles with a programmable target database. The submunitions each contain a high-penetration EFP warhead for use against even heavy armoured fighting vehicles like main battle tanks.
When fired from a 52-caliber barrel, a BONUS shell can travel up to 35 km.

Video: Jukka O. Kauppinen
Editing: Jukka O. Kauppinen
(C) Tankspotting / Mediapalvelut 2024
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K9 Thunder Moukari

In July 2016, the Finnish Ministry of Defence announced that an undisclosed number of used K9s have been selected to be acquired from the Republic of Korea. The acquisition is claimed to be biggest of the decade for the Land Forces, whose both mobile and towed artillery face mass outdating in the 2020s. In February 2017, the Ministry of Defence announced that Finland will acquire 48 used K9s over a period of seven years starting in 2018, with conscript training on the equipment commencing in 2019. In November 2022 Finland announced to buy 48 more K9s. After delivery of all weapons Finland will have 96 K9 SPGs.

The K9 Thunder is a South Korean self-propelled 155 mm howitzer developed by Samsung Techwin for the Republic of Korea Armed Forces and now manufactured by Hanwha Land Systems. It was developed to supplement and then replace the K55 self-propelled howitzers in South Korean service.
K9 is an indigenous system of an all-welded steel armour construction which is rated to withstand 14.5 mm armour piercing rounds, 152 mm shell fragments, and anti-personnel mines. The main armament consists of a 155 mm/52 caliber ordnance with a maximum firing range of 40 km; the K307 BB-HE projectile propelled by the K676 top charge has a muzzle velocity of 928 m/s (3,040 ft/s). State-of-the-art mobility subsystems include a 1,000 horsepower (750 kW) engine with potential for growth and hydropneumatic suspension unit, a requirement for Korea's rugged mountainous terrain.

Mass 47 tonnes
Length 12 m
Width 3.4 m
Height 2.73 m
Crew 5 (Commander, Driver, Gunner, 2 Loaders)
Maximum firing range 30,000 m (HE)
38,000 m (DP-ICM base-bleed)
41,600 m (K307 Drag reduction. Extended range full-bore base-bleed) 52-56,000 m.
Main armament 52 cal (155mm howitzer)
Secondary armament 12.7 mm (.50 caliber) K6 HMG
Engine MTU Friedrichshafen MT 881 Ka-500 8-cylinder water-cooled diesel engine 1000 hp
Power/weight 21 hp/ton
Transmission S&T Dynamics X1100-5A3
Suspension hydropneumatic
Operational range 480 km
Speed 67 km/h

K9 Thunder on Korean tasavallassa Samsung Aerospace Industriesin ja Korean tasavallan asevoimien vuosina 1989-1998 kehittämä ja 1999 sarjatuotantoon otettu raskas panssarihaupitsi, jonka valmistaja on nykyään nimeltään Hanwha Land Systems. Toimitusten päätyttyä Suomella on 96 K9-panssarihaupitsia.

#tankspotting #k9thunder #siivetwings

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Boforst 155 mm BONUS Round For K9 Thunder Moukari SPG Mobile Artillery [4K]

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