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For the testing and calibration of anti-tank guns, the term rolled homogeneous armour equivalency (RHAe) is used when giving an estimate of either the penetrative capability of a projectile or the protective capability of a type of armour which may or may not be steel. Because of variations in armour shape, quality, material, and case-by-case ...
Ichcahuipilli armor was a lightweight, multifunctional garment worn on the torso of the warrior, designed to provide blunt-force trauma protection against clubs and batons, slash protection from obsidian macuahuitl, and projectile protection from arrows and atlatl darts. [3]
It was founded in 2000 and was based in Fresno, California. Pinnacle acquired the patent rights Dragon Skin from Armor Technology Corp in 2000. [9] In addition to Dragon Skin body armor, they also produced reinforced materials for use on vehicles and buildings, along with related training materials.
Traditionally, a warship's armor system was designed both separately from, and after, the design layout. The design and location of various component subsystems (propulsion, steering, fuel storage and management, communications, range-finding, etc.) were laid out and designed in a manner that presented the most efficient and economical utilization of the hull's displacement.
The equipment gave the Romans a very distinct advantage over their "barbarian" enemies, especially so in the case of armour. [1] This does not mean that every Roman soldier had better equipment than the richer men among his opponents. Roman equipment was not of a better quality than that used by the majority of Rome's adversaries. [2]
The much lower remuneration for 4th-century soldiers is reflected in total army costs. Duncan-Jones estimates the total annual cost of the military in c. 150 AD at c. 670 million sesterces. [22] This is 167.5 million denarii. This translates into 1.67 million aurei or 168,000 pounds of gold for an army of 387,000 all costs. This compares with ...
The legions of the Roman Republic and Empire had a fairly standardised dress and armour, particularly from approximately the early to mid 1st century onward, when Lorica Segmentata (segmented armour) was introduced. [1] However the lack of unified production for the Roman army meant that there were still considerable differences in detail.
1944 armor redesign of the IS-2, with a new turret and hull, while the engine, transmission, suspension and armament remained the same. [22] Between 1948 and 1952, it was upgraded with new road wheels, turret race, engine subframe mount, main clutch, oil pump, and radio increasing weight to 48.5 t (47.7 long tons; 53.5 short tons).