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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 ...
Mod 11 was a Mod 7 that had the chamber lengthened, adding 235 cu in (3,851 cm 3), and a 3½° breech band seating slope and used Breech Mechanism Mark 12. Mod 12 used a Mod 10 and lengthened the chamber and added a 3½° breech band seating slope with Mod 13 being similar but of a Mod 8, Mod 14 used a Mod 9, Mod 15 used a Mod 7, Mod 16 used a ...
The Mk-28RI (Retarded Internal) weapon was designed released in April 1959 and achieved production in June 1960. The design weighed 2,265 pounds (1,027 kg) and was 132 inches (3,400 mm) long. The design consisted of the Mk-28 Mod 2 Fuze and the same Mk-28 Mod 0 RESC as the RE weapon. It also used the Mod 1 warhead.
The Mark 3 exploder was designed when torpedo speeds were much slower (the Mark 10 torpedo's speed was 30 knots (56 km/h)), but even then the Mark 3 prototypes had problems with the firing pin binding during the high deceleration when the torpedo collided with the target. The solution was to use a stronger firing spring to overcome the binding ...
The Mk 7 Mod 6 bomb dispenser is the same as the Mk 7 Mod 3 except that the outside of the Mod 6 cargo section is coated with a thermal protective coating and has an additional yellow band around the forward end of the cargo section. The addition of the thermal coating increases the overall weight of the Mod 6 to 505 pounds (229 kg).
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]
The Mark 4, guns No. 71–86, delivered in April 1896, were derived from the Mark 2 but 0.17 inches (4.3 mm) longer and consequent differences in slide surface and other externals. Mod 1 added a nickel-steel tube and hoops that the Mod 0 didn't have and the Mod 3 was the Mod 1 relined with a nickel-steel liner.
An F-14 Tomcat descends to make an arresting gear landing on the flight deck of USS Theodore Roosevelt (CVN-71) in 2002. An arresting gear, or arrestor gear, is a mechanical system used to rapidly decelerate an aircraft as it lands. Arresting gear on aircraft carriers is an essential component of naval aviation, and it is most commonly used on ...