enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. File:BL 9.2 inch Mk IX & X gun barrel diagrams.jpg - Wikipedia

    en.wikipedia.org/wiki/File:BL_9.2_inch_Mk_IX_&_X...

    BL 9.2-inch Mk IX – X naval gun Metadata This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

  3. M1156 Precision Guidance Kit - Wikipedia

    en.wikipedia.org/wiki/M1156_Precision_Guidance_Kit

    In 2021, the U.S. Army plans to produce the upgraded M1156E2/A1, compatible with newer XM1128 high explosive and XM1113 rocket-assisted projectiles to achieve 10 m (33 ft) accuracy at 30 and 40 km (19 and 25 mi) respectively when fired from a 39-caliber barrel.

  4. M982 Excalibur - Wikipedia

    en.wikipedia.org/wiki/M982_Excalibur

    The M982 Excalibur (previously XM982) is a 155 mm extended-range guided artillery shell developed in a collaborative effort between the U.S. Army Research Laboratory (ARL) and the United States Army Armament Research, Development and Engineering Center (ARDEC). [5]

  5. Polygonal rifling - Wikipedia

    en.wikipedia.org/wiki/Polygonal_rifling

    Conventional eight groove rifling on the left, and octagonal polygonal rifling on the right. Polygonal rifling (/ p ə ˈ l ɪ ɡ ə n əl / pə-LIG-ə-nəl) is a type of gun barrel rifling where the traditional sharp-edged "lands and grooves" are replaced by less pronounced "hills and valleys", so the barrel bore has a polygonal (usually hexagonal or octagonal) cross-sectional profile.

  6. Gun barrel - Wikipedia

    en.wikipedia.org/wiki/Gun_barrel

    A female worker boring out the barrel of a Lee-Enfield rifle during WWI. Gun barrels are usually made of some type of metal or metal alloy.However, during the late Tang dynasty, Chinese inventors discovered gunpowder, and used bamboo, which has a strong, naturally tubular stalk and is cheaper to obtain and process, as the first barrels in gunpowder projectile weapons such as fire lances. [2]

  7. 6 mm XC - Wikipedia

    en.wikipedia.org/wiki/6_mm_XC

    6 mm XC diagram in Inches. The 6XC is a 1000-yard cartridge, comparable to benchrest calibers such as 6x47mm Swiss Match, 6.5×47mm Lapua and 6 mm/22-250; it fits into cartridge class that exceeds the velocities of benchrest calibers such as 6mm BR Remington, 6mm BRX and 6mm Dasher. David Tubb has claimed several wins with the 6XC in NRA High ...

  8. Cocoa was the top-performing commodity of 2024. The price of the bean surged as headwinds battered key producers. Prices are likely to stay high into 2025, analysts at ING said.

  9. Internal ballistics - Wikipedia

    en.wikipedia.org/wiki/Internal_ballistics

    Barrel time - the time from when the projectile starts to move until it exits the barrel. Diagram of internal ballistic phases. The burning firearm propellant produces energy in the form of hot gases that raise the chamber pressure which applies a force on the base of the projectile, causing it to accelerate. The chamber pressure depends on the ...