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Once the first production article is built, the company will transition into full-scale live firing in the late spring or early summer, Canole said, and will hand it over to the government to go into additional testing. The linked rounds pass up from the pannier on the right through the flex chute to the receiver on the gun breech. The flexible chute allows the gun to elevate between -20º to +65º (HMS Sutherland, Oct 2011. Photo: Navy Lookout) A 7.62x51mm NATO caliber chain gun is used on some armored vehicles as a coaxial machine gun, because of the inherently small amount of fumes from spent propellant discharged inside of the vehicle. A developmental version of this gun was named EX-34. It is in use as the L94A1 chain gun with the British Army. The L94A1 performs nearly identically to the L8A1 and FN MAG, having the same rate of fire and ballistic performance.
The L94A1 can only be equipped with one ammo belt consisting of two Armour Piercing (AP) bullets, followed by one Tracer (T) bullet. Neither bullet has much penetration (maximum of 13 mm), however, the AP bullet performs much better than the tracer bullet.
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How much money could the Army have saved for its woeful vehicle programmes by being more pragmatic? (Saying that I am still trying to fathom why the refurbished Warrior needs a cannon. Why not a RWS with a HMG and / or 40mm grenade launcher and no turret?) But we buy woeful Ajax instead……….Again as I often with naval matters I look to the wonderfully conducted Australian vehicle programmes. They will probably end up buying Lynx to compliment their Boxers… The MK II will also be fitted to the Type 26 frigates, probably using refurbished mounts removed from Type 23s as they decommission. The Mk 1 mount is fitted to the Type 45 destroyers, the minehunters and some RFAs. Although there is space available, it seems unlikely the Type 31 frigates will be fitted with either 20 or 30mm cannons as they will have two automated Bofors 40mm Mk4 mounts. Vessel I don’t know how much of an issue it really is, but I understand Nic Drummond to have fairly good information. As it was already alluded to, you can change the rate of fire of a chain gun by changing the amount of power going to the drive motor, this is a useful option when switching between ground and air targets. This can also be done with a conventional gun but its a pain in the ass to add artificial friction to the gun mechanism.
The above (excellent) article reminds us that we sent our warships into mortal combat during 1982 with hopelessly outdated gunnery AAW defences – and payed a heavy price for that grave policy error arguably. One fears we may be making exactly the same mistake again today.Despite being a completely different gun the L94A1 performs nearly identically to the L8A1 and FN MAG seen on other British tanks at Rank 6. This gives it a lower rate of fire than the L37A1 and L37A2, but a higher rate of fire than the L3A1 (7.62 mm) seen on lower rank tanks.
Spitting fire – The Type 45 Destroyers carry two DS-30B mounts on dedicated platforms, port and starboard. The mount weighs 1,200 kg with ammunition and can fire up to 650 rounds per minute. There is stowage for 160 rounds on the gun – just under 15 seconds continuous firing. During testing conducted by Hughes, the weapon proved extremely reliable, firing two 10,000 round bursts lasting 20 minutes at 500 rounds per minute. [2] It has a reported rounds between failure rate of approximately 50,000 rounds.A commonly used chain gun is the M242 Bushmaster. Versions of its 25 mm action are found on ships (the Mk38) and Infantry fighting vehicles (the M2 Bradley and LAV-25) around the world. Others are the M230 30 mm Cannon, which is standard equipment on the Apache helicopter, as well as the Bushmaster II 30 mm, and the Bushmaster III 35/50 mm Chain gun.
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