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BL 4 inch naval gun Mk I - VI United Kingdom: 1880s - 1900 102 mm (4.0 in) 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
US Patent drawing of the Hispano Suiza cannon. The British version was also licensed for use in the United States as the M1, with the United States Army Air Corps (USAAC) and U.S. Navy, which concluded that a single HS404 is analogous to three .50 machine guns in firepower while weighing less than twice as much, planning to switch to the 20 mm calibre as soon as the gun could be produced in ...
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 ...
A twin Bofors gun was about the same weight, and was a much more powerful gun. The air-cooled Oerlikon had similar effective range and rate of fire with considerably less weight. The Oerlikon could not sustain fire for as long as the water-cooled 1.1–inch, but six Oerlikons could be installed for the weight of a single 1.1–inch quad mount. [1]
Revised penetration statistics due to HE burster size, projectile weight, and possible decreases of early war metal quality. [2] Ammunition type Muzzle velocity Penetration 100 m 250 m 500 m 750 m 1000 m 1250 m 1500 m 1750 m 2000 m 2500 m 3,000 m (9,800 ft) Pzgr. APHE 745 m/s 49 mm (1.9 in) 45 mm (1.8 in) 40 mm (1.6 in) 35 mm (1.4 in)
The factory guarantees that the cylinder will not burst or show any bulging or deformation with .357 Magnum ammunition developing double the C.I.P. 300.00 MPa (43,511 psi) P max piezo pressure, meaning the cylinder can withstand 600.00 MPa (87,023 psi), or 43.5 tons per square inch).
The 12.7×108mm cartridge is a 12.7 mm heavy machine gun and anti-materiel rifle cartridge used by the former Soviet Union and Warsaw Pact countries, including Russia, China, Iran, North Korea, and many others.
Rear tyre width reduced from 18 inches (457 mm) to 15 inches (381 mm) to reduce the grip and so the speed of the cars, overall car width reduced from 220 cm to 200 cm. Rear wing height reduced from 100 cm to 90 cm, distance of front end plates from flat bottom increased from 25 to 40 mm (0.98 to 1.57 in), [38] head rest area increased from 80 ...