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Three versions of this breech-loading rifled naval gun were produced, the 6-inch/47 Mark 16 Mod 0, the 6-inch/47 Mark 16 Mod 1, and 6-inch/47 Mark 17. "6-inch /47" refers to a bore diameter (caliber) of 6 inches (152 mm) and a bore length of 47 calibers (ie 47 × 6 inch; 23 feet 6 inches (7.16 metres). "Mark 16" indicates it is the 16th design ...
The 2015 study of 15,521 men found that the average length of a stretched flaccid penis was 13.24 cm (5.21 inches) long, which is near identical to the average length of an erect human penis which is 13.12 cm (5.17 inches) long. [11]
United States naval gun terminology indicates the gun fired a projectile 6 inches (15 cm) in diameter, and the barrel was 53 calibers long (barrel length is 6 inch x 53 = 318 inches or 8 meters.) [2] The gun with side swing Welin breech block and Smith-Asbury mechanism weighed about 10 tonnes and used a silk bag containing 44-pounds (20 kg) of smokeless powder to give a 105-pound (47.6 kg ...
1.75 m – (5 feet 8 inches) – height of average U.S. male human as of 2002 (source: U.S. CDC as per female above) 2.4 m – wingspan of a mute swan; 2.5 m – height of a sunflower; 2.7 m – length of a leatherback sea turtle, the largest living turtle; 2.72 m – (8 feet 11 inches) – tallest-known human (Robert Wadlow) [31]
Measurements are in millimeters then inches, i.e. mm (in). Pistol cartridges Name ... 39.6 (1.560) 12.00 (.4728) 11.96 [1] (.4709) 11.6 (.458) 6.95 (.274) 62.00 (2. ...
A red stripe on the wall of each turret, inches from the railing, marked the limit of the gun's recoil as a safety warning to the turret's crew. [5] Complementing the 16-in/50 caliber Mark 7 gun was a fire control computer, the Ford Instrument Company Mark 8 Range Keeper. This analog computer was used to direct the fire from the battleship's ...
A traditional unit of volume for stone and other masonry. A perch of masonry is the volume of a stone wall one perch (16 + 1 ⁄ 2 feet or 5.03 metres) long, 18 inches (45.7 cm) high, and 12 inches (30.5 cm) thick.
The 155 mm gun M1 was a 155 millimeter caliber field gun developed and used by the United States military. Nicknamed "Long Tom" (an appellation with a long and storied history in U.S. field and naval artillery), it was produced in M1 and M2 variants, later known as the M59.