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The bean bag round typically consists of a small fabric "pillow" filled with #9 lead shot weighing about 40 grams (1.4 oz). It is fired from a normal 12-gauge shotgun.When fired, the bag is expelled at around 70 to 90 metres per second (230 to 300 ft/s); it spreads out in flight and distributes its impact over about 6 square centimetres (1 sq in) of the target.
A shooting range, firing range, gun range or shooting ground is a specialized facility, venue, or field designed specifically for firearm usage qualifications, training, practice, or competitions. Some shooting ranges are operated by military or law enforcement agencies, though the majority of ranges are privately owned by civilians and ...
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 big guns, taking into account factors including the speed of the targeted ship, the projectile's travel time, and air resistance.
The breech mechanism was similar and loading two silk bags each containing 43 pounds (20 kg) of smokeless powder gave a 335-pound (152 kg) projectile a velocity of 2500 feet per second (760 m/s). [1] Each gun could fire about four rounds per minute. Maximum range was 30,050 yd (27,480 m) at the maximum elevation of 41 degrees. [5]
Propellant charge was four silk bags of smokeless powder, each of which weighed 105 lb (48 kg). [2] At a 15-degree angle, the guns could fire a shell out to 23,000 yd (21,000 m). Each individual gun weighed 142,492 lb (64,633 kg) with the breech and measured 53 ft 6.5 in (16.32 m) in length.
The gun was supplied with two-part ammunition with two increment charges: the M9 Green Bag propellant was used for medium ranges and was preferred for improved accuracy and reduced barrel erosion, while the M10 White Bag was used for long- and extreme-range firing.
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