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The 9K52 Luna-M (Russian: Луна, English: Moon; NATO reporting name: Frog-7) is a Soviet short-range artillery rocket system which fires unguided and spin-stabilized 9M21 rockets. It was originally developed in the 1960s to provide divisional artillery support using tactical nuclear weapons but gradually modified for conventional use.
The propellant feed system sent all of the propellant intended for the verniers into the sustainer engine, which was overpressurized beyond its structure limits. The sustainer shut down at T+181 seconds, likely due to a rupture from the excessive pressure level, and the missile fell an estimated 2,300 miles (3,700 km) short of its target.
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Center of pressure is used in sailboat design to represent the position on a sail where the aerodynamic force is concentrated.. The relationship of the aerodynamic center of pressure on the sails to the hydrodynamic center of pressure (referred to as the center of lateral resistance) on the hull determines the behavior of the boat in the wind.
The MIM-104 Patriot is a mobile interceptor missile surface-to-air missile (SAM) system, the primary such system used by the United States Army and several allied states. It is manufactured by the U.S. defense contractor Raytheon and derives its name from the radar component of the weapon system.
The location of the center of pressure depends on the flow field structure, in other words, depending on whether the bullet is in supersonic, transonic or subsonic flight. What this means in practice depends on the shape and other attributes of the bullet, in any case the Magnus force greatly affects stability because it tries to "twist" the ...
Five Atlas Fs were flown in 1964. Missile 137F flew from LC-11 at the Cape on April 1 and performed a successful flight. Two days later, Missile 3F flew from 576-G at VAFB and repeated the same failure as 45F. The B-1 engine experienced a stuck main fuel valve and did not start, once again the missile fell over and exploded on impact with the ...
The Army Tactical Missile System (ATACMS) is a series of 610 mm surface-to-surface missile (SSM) with a range of up to 300 kilometres (190 mi). Each rocket pod contains one ATACMS missile. As of 2022 only the M48, M57, and M57E1 remain in the US military's active inventory. M39 (ATACMS BLOCK I) missile with inertial guidance. The missile ...