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2019-04-09

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Science & Technology
www.thehindu.com

The indigenously developed Dhanush artillery guns.  

The Ordnance Factory Board (OFB) on Monday handed over the first batch of six Dhanush artillery guns to the Army. Dhanush is the indigenously upgraded version of the Swedish Bofors gun procured in the 1980s.

“Indigenisation to the extent of about 81%, has already been achieved. By the end of 2019, the indigenisation level of the gun will go up to 91%,” the Defence Ministry said in a statement. Six guns were handed over at a ceremony at Gun Carriage Factory, Jabalpur.

“The first Dhanush regiment with 18 guns is expected to be ready by the end of next year,” an Army source said. The GCF received the Bulk Production Clearance (BPC) to manufacture 114 guns from the Army on February 18, 2019.

Dhanush is a 155 mm, 45-calibre towed artillery gun with a range of 36 km and has demonstrated a range of 38 km with specialised ammunition. It is an upgrade of the existing 155m, 39 calibre Bofors FH 77 gun. It is compatible with all North Atlantic Treaty Organisation (NATO) 155 mm ammunition system.

Conducting of trials

The first phase of trials were conducted between July and September 2016 at Pokhran and Babina ranges and the second phase was held between October and December 2016 at the Siachen base camp with three guns. The last round of user exploitation trials were completed with six guns in June last year.

The gun is fitted with inertial navigation system with global positioning system- (GPS) based gun recording and auto-laying, an enhanced tactical computer for onboard ballistic computations, an onboard muzzle velocity recording, an automated gun sighting system equipped with camera, thermal imaging and laser range finder

All 114 guns are expected to be delivered within four years. The OFB has already undertaken capacity augmentation to manufacture over 400 barrels and 250 ordnances for large calibre weapon systems.

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