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With the Mod 5 an attempt was made to reline a Mod 1 with a uniform twist rifling, but it was dropped. Mod 6 relined Mod 2 with a uniform twist rifling along with a modified new chase hoop and locking ring. Mod 7 took the Mod 3 and used a one-step conical liner, uniform twist rifling, and added a tube and liner locking ring.
The Raufoss Mk 211 is a .50 BMG (12.7×99mm NATO) multi-purpose anti-materiel high-explosive incendiary/armor-piercing ammunition projectile produced by Nammo under the model name NM140 MP. [1] It is commonly referred to as multipurpose or Raufoss, meaning red waterfall in Norwegian. This refers to Nammo's precursor company Raufoss ...
These have been used on ships and submarines of the U.S. Navy. American 21-inch torpedoes are 533 millimeters (21 in) in diameter. Ship classes that carried 21-inch torpedoes include: Allen M. Sumner -class destroyers. Atlanta -class cruisers. Bagley -class destroyers. Balao -class submarines. Barbel -class submarines. Barracuda -class submarines.
The Mark 7 was a variable-yield fission weapon that used a levitated pit and an implosion design with 92 high-explosive lenses. The weapon had multiple yields of 8, 19, 22, 30, 31, and 61 kt by using various weapon pits. [4] The weapon had airburst and contact fuzing modes. The weapon used in flight insertion for safing and later versions of ...
The Mark 7 was a major step in the evolution of the modern torpedo. This innovative design featured the use of steam , generated from water sprayed into the combustion pot along with the fuel . The resulting mixture dramatically boosted the efficiency of the torpedo, leading to markedly improved performance. [3]
Diameter:17.7 in (450 mm) Length:211.4 in ... for 6 km (3.7 mi) (Mod. 1) ... for 7,000 yd (6.4 km) Mark 37 (Mod.0 & Mod.3)
While the Mod 0 weighs 7.5 kg (16.5 lb), the Mod 2 weighs 5.9 kg (13 lb) with the MBS attached, and 3.9 kg (8.5 lb) with the MBS detached. Other improvements include increased pad size on the forward grip and foldable backup iron sights. [12] The Mod 2 systems were expected to replace the existing inventory by October 2020. [13] [14] [15]
The Mk 7 Mods 3, 4, and 6 bomb dispensers have the Mk 339 Mod 1 fuze, which provides the pilot with in-flight selection of the fuze function time. The Mk 7 Mod 4 bomb dispenser differs from the Mk 7 Mod 3 by modifying the dispenser and giving interface capabilities with a wider range of military aircraft.