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The 100-pound naval Parrott could achieve a range of 6,900 yards (6,300 meters) at an elevation of 25 degrees, or fire an 80 lb (36 kg) shell 7,810 yards (7,140 m) at 30 degrees elevation. [ 8 ] Although accurate, as well as being cheaper and easier to make than most rifled artillery guns, the Parrott had a poor reputation for safety and they ...
1,900 yd (1,700 m) at 5°. The 20-pounder Parrott rifle, Model 1861 was a cast iron muzzle-loading rifled cannon that was adopted by the United States Army in 1861 and employed in field artillery units during the American Civil War. As with other Parrott rifles, the gun breech was reinforced by a distinctive wrought iron reinforcing band.
The 122-mm howitzer D-30 ( GRAU index 2A18) is a Soviet howitzer that first entered service in 1960. It is a robust piece that focuses on the essential features of a towed field gun suitable for all conditions. The D-30 has a maximum range of 15.4 km (9.6 mi) or 21.9 km (13.6 mi) using rocket-assisted projectile ammunition.
5 to 6 km/h (3.7 MPH) (in the water) The MT-LB ( Russian: Многоцелевой Тягач Легкий Бронированный, romanized : Mnogotselevoy tyagach legky bronirovanny, literally "multi-purpose towing vehicle light armored") is a Soviet multi-purpose, fully amphibious, tracked armored fighting vehicle in use since the 1970s.
Development began in 1864 to replace the RBL 6-pounder 2.5-inch (64 mm) gun of 3 long hundredweight (340 lb; 150 kg), which had proved too heavy for a mountain gun. . Several Mks of 7-pounder RML of 2 long hundredweight (220 lb; 100 kg) were tried in 1865 by boring out and rifling old SBML bronze guns, but were still too
The .30-30 Winchester / 7.8x51mmR (officially named the .30 Winchester Center Fire or .30 WCF) cartridge was first marketed for the Winchester Model 1894 lever-action rifle in 1895. [ 4] The .30-30 (pronounced "thirty-thirty"), as it is most commonly known, along with the .25-35 Winchester, was offered that year as the United States' first ...
The engine was used in combat — the R-1300-1A and -1B in the A model North American T-28 Trojan and the R-1300-3, -3A, -3C and -3D in the Sikorsky H-19 Chickasaw. The R-1300-1B was used to power the Ayres Thrush. The R-1300-4 and -4A were used in the N class blimp; 50 of these variants were produced by AVCO. [2]
Produced from 1941 to 1945, the V-770 featured a two-piece aluminum alloy crankcase, steel cylinder barrels with integral aluminum alloy fins and aluminum alloy heads. The V-770 was the only American inverted V-12 air-cooled engine to reach production. The engine was used in very few aircraft, among them the short lived Fairchild AT-21 twin ...
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