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Calibre has received positive reviews and is critically acclaimed. On review aggregator Rotten Tomatoes, the film holds an approval rating of 95% based on 21 reviews, with an average rating of 7.4/10. [8] Metacritic gives the film a weighted average rating of 76 out of 100, based on 7 critics, indicating "generally favorable reviews". [9]
A projectile that can be equipped either with a tapering boat-tail or a base bleed unit; it comes in high-explosive, smoke generating and illuminating versions. Maximum range from a 39-calibre howitzer is 24 km (15 mi) boat-tail or 30 km (19 mi) base bleed; from a 52-calibre barrel is 30 km (19 mi) boat-tail or 39 km (24 mi) base bleed. [20]
This system has largely been replaced by defining the weapon in terms of the measurement of the calibre, which is the standard today for most weapon systems in use by the world's armed forces. The 18th century standards were based on a projectile's weight, which dates back to use of muzzle loaded cannons that fired solid cannonballs. The bore ...
Other large-caliber projectiles use bomblets (sub-munitions), which are released by the carrier projectile at a required height or time above their target. For US artillery ammunition, these projectiles are called Dual-Purpose Improved Conventional Munition (DPICM), a 155 mm M864 DPICM projectile for example contains a total of 72 shaped-charge ...
Introduced in 1872, 68-pounders adapted in this way had a calibre of 6.29 inches (16.0 cm) and were known as a RML 68-pounder, or officially as the RML 80-pounder 5 ton. [28] With a 10 lb (4.5 kg) powder charge they could fire an 80 lb (36 kg) projectile at a muzzle velocity of 1,240 feet per second (380 m/s). [ 29 ]
While modern firearms are generally referred to by the name of the cartridge the gun is chambered for, they are still categorized together based on bore diameter. [citation needed] For example, a firearm might be described as a "30 caliber rifle", which could accommodate any of a wide range of cartridges using a roughly 0.30 inches (7.6 mm) projectile; or as a "22 rimfire", referring to any ...
In World War I 45-caliber naval gun barrels were typical, in World War II 50- to 55-caliber barrels were common, with Germany already manufacturing tank guns of 70 calibers by 1943. Today, 60- to 70-caliber barrels are not uncommon, but the latest technology has allowed shorter barrels of 55 calibers to attain muzzle velocities of 1,750 m/s ...
The .303/25, sometimes known as the .25/303 is a wildcat centrefire rifle cartridge, based on the .303 British, necked down to fire a .257 projectile, originating in Australia in the 1940s as a cartridge for sporterised rifles, particularly on the Lee–Enfield action; similar versions also appeared in Canada around the same time.