Friday, January 28, 2011

South African LIW 150 mm Light Experimental Ordnance Leo Howitzer Artillery By Denel

The 105 mm Light Experimental Ordnance has a split trail carriage of high-strength steel and when deployed in the firing position is supported by a jack lowered under the forward part of the carriage and by the spade on the end of each trail.The carriage is provided with an adjustable towing hook for towing by 4 × 4 vehicles and lifting hooks for transportation slung under a helicopter.The 105 mm autofrettaged ordnance is 52 calibres long, or 57 calibres when fitted with the advanced muzzle brake, and has a rifling twist of 1:22.

The high efficiency pepperpot muzzle brake has special Laval-shaped nozzles and is rifled on the inside, which effectively adds five calibres to the barrel.The ordnance has a fixed recoil length of 1 m with a gas type counter system being fitted. Counter recoil is also used to retract the 105 mm ordnance using the hydraulics of the traverse and elevation system.The breech mechanism is of the semi-automatic swing and slide type.

Denel Land Systems stress that this is a technology demonstrator and is not representative of a type classified and ready for production 105 mm artillery system. If adopted for service it will probably be given the designation of the GV7 or G7 for international marketing purposes. Its primary role is close support. According to Denel Land Systems, there is no other artillery system in the world with the capabilities of the 105 mm Light Experimental Weapon which includes a maximum range of 30,000 m.

This is similar to that of 155 mm/39 calibre artillery systems with the new 105 mm high-explosive artillery projectile, having a lethal area of 1,900 m2 against targets. This is claimed to be better than a first-generation 155 mm artillery projectile.A 105 mm Light Experimental Weapon together with 100 rounds of 105 mm ammunition currently weighs


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