CHINA BUILDS THE WORLD'S FASTEST TANK GUN, THEN TRIES TO HIDE IT

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The new 125mm cannon tech demonstrator received a public and high profile send off, complete with a large complement of PLA personnel, speeches from top CNU officials and interested onlookers. The shell cartridge on the left side of the table is over 1 meter in length.
While new tanks like the Russian Armata and Turkish Altay are taking the spotlight in the world of armored vehicles, China has a new tank gun that might just beat them all. The 127th Ordinance Institute, of the Central Northern University, handed over a new 125mm cannon to PLA officers at a June 10, 2015 ceremony.
The Institute claims that the new multipurpose cannon will have the highest range, velocity and penetration power of any 120mm/125mm cannon in the world. Where the story gets more interesting is that by June 14, all references to the new 125mm cannon had been scrubbed from the University's website, which suggests an official desire for secrecy during tests.
China 127th Institute Central North University 125mm tank cannon
A New Multipurpose Cannon
The 127th Ordinance Research Institute's news 125mm tank cannon is the world' largest, with a barrel length over 7.5 meters and highly powerful shells.
The multipurpose cannon achieves its high performance through a high length to caliber ratio of at least 60:1 (the longest tank gun in service is the German 120mm cannon, which has a ratio of 55:1), and a larger cartridge, that stores more propellant explosives. While the multipurpose cannon is currently mounted on a towed carriage, several characteristics suggest that it is intended in use for enclosed spaces (IE tank turrets).
Looking at the staff preparing the gun (just for the handover ceremony), it's going to require a very big and tall turret to take advantage of the gun's full elevation capabilities (though the production model may have a lower maximum angle of fire), larger than those found on current Chinese tanks. Also note the fume extractor (the smooth bulge on the midsection of the barrel) that siphons off poisonous fumes and other propellant byproducts to avoid poisoning any turret crew.
Located on the middle of the barrel is a bore evacuator that aids in the release of combusted explosive fumes, to prevent those toxic gases from accumulating inside an enclosed space, which would otherwise poison crew members and foul the gun. The multipurpose cannon's recoil system is installed onto the top of the towed carriage frame and top of the cannon breech block, which is optimized for horizontal firing (anti-tank and direct fire) as opposed to high angle artillery fire.
While new tanks like the Russian Armata and Turkish Altay are taking the spotlight in the world of armored vehicles, China has a new tank gun that might just beat them all. The 127th Ordinance Institute, of the Central Northern University, handed over a new 125mm cannon to PLA officers at a June 10, 2015 ceremony.
The Institute claims that the new multipurpose cannon will have the highest range, velocity and penetration power of any 120mm/125mm cannon in the world. Where the story gets more interesting is that by June 14, all references to the new 125mm cannon had been scrubbed from the University's website, which suggests an official desire for secrecy during tests.
China 127th Institute Central North University 125mm tank cannon
A New Multipurpose Cannon
The 127th Ordinance Research Institute's news 125mm tank cannon is the world' largest, with a barrel length over 7.5 meters and highly powerful shells.
The multipurpose cannon achieves its high performance through a high length to caliber ratio of at least 60:1 (the longest tank gun in service is the German 120mm cannon, which has a ratio of 55:1), and a larger cartridge, that stores more propellant explosives. While the multipurpose cannon is currently mounted on a towed carriage, several characteristics suggest that it is intended in use for enclosed spaces (IE tank turrets).
Looking at the staff preparing the gun (just for the handover ceremony), it's going to require a very big and tall turret to take advantage of the gun's full elevation capabilities (though the production model may have a lower maximum angle of fire), larger than those found on current Chinese tanks. Also note the fume extractor (the smooth bulge on the midsection of the barrel) that siphons off poisonous fumes and other propellant byproducts to avoid poisoning any turret crew.
Located on the middle of the barrel is a bore evacuator that aids in the release of combusted explosive fumes, to prevent those toxic gases from accumulating inside an enclosed space, which would otherwise poison crew members and foul the gun. The multipurpose cannon's recoil system is installed onto the top of the towed carriage frame and top of the cannon breech block, which is optimized for horizontal firing (anti-tank and direct fire) as opposed to high angle artillery fire.
http://www.popsci.com/china-builds-worlds-...n-tries-hide-it
Jun 20 2015, 12:08 PM
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