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The Obusier de 6 pouces Gribeauval fired a shell with a diameter of 6 inches. Used in the period 1668–1840, the French inch (French: pouce) measured 2.707 centimeters while the English inch was only 2.54 centimeters. [12] One authority stated that the barrel of the 6-inch howitzer weighed 650 pounds (295 kg). [13]
The Emerald class or E class was a class of two light cruisers built for the Royal Navy.Following the Cavendish class, three ships of a new class were ordered in March 1918, towards the end of World War I, designed to emphasise high speed at the cost of other qualities, for use against rumoured new high-speed German cruisers – like the Brummer class – and particularly minelayers, in the ...
The width of the bore was 84 millimetres (3.3 in) and the barrel length was 5 feet 3 inches (160 cm). [18] All French field guns had a clearance of 2.705 millimetres (0.106 in) between the cannonball and the inside of the barrel.
BL 4 inch Mk VII 50-caliber United Kingdom: World War I - World War II 102 mm (4.0 in) BL 4 inch Mk VIII & XI 40-caliber United Kingdom: World War I - World War II 102 mm (4.0 in) BL 4 inch Mk IX naval gun 45-caliber United Kingdom: World War I - World War II 102 mm (4.0 in) QF 4 inch Mk I - III 40-caliber United Kingdom: 1895 - World War I
However, the 3 + 1 ⁄ 2-inch (89 mm) 12-gauge shell, with its higher SAAMI pressure rating of 14,000 psi (97 MPa) compared to standard 2 + 3 ⁄ 4-inch (70 mm) and 3-inch (76 mm) 12-gauge shells with their lower pressure rating of 11,500 psi (79 MPa), began to approach the performance of the 3 + 1 ⁄ 2-inch (89 mm) 10-gauge shells with a ...
The Yak-9-57 was a one-off conversion of a Yak-9UT armed with a 57 mm cannon. [20] The large caliber cannon did not protrude from the spinner cone like the Yak-9-37/45 models. Yak-9V. A two-seat trainer version of Yak-9M and Yak-9T with the Klimov VK-105PF2 engine and with armament reduced to 1 × 20 mm (0.79 in) ShVAK with 90 rounds. Modern ...
The latter two are loan words into the Hebrew language, and borrowed measurements - the Latin mille, and Iranian parasang, respectively; both were units of itinerant distance, and thus varied according to terrain and stride length, and, in the case of the parasang, also on the speed of travel. The Israelite measurements were related as follows:
This made it an ideal anti-aircraft weapon for mounting on light vehicles, as well as a fighter aircraft gun, supplementing or replacing the 7.62 mm (.30 calibre) and .303 inch (7.7 mm) machine guns commonly used in military aircraft of the 1930s. The HS.404 was produced by the French subsidiary of Hispano-Suiza, and under license by a variety ...