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[122] Although not as fast as the Spitfire, the Zero could out-turn the Spitfire, could sustain a climb at a very steep angle, and could stay in the air for three times as long. [123] To counter the Zero, Spitfire pilots adopted a "slash and run" policy and used their faster speed and diving superiority to fight, while avoiding turning ...
If "bounced" while cruising at low speeds it could take a Spitfire up to two minutes to accelerate to top speed. [58] The only way it was thought that a Spitfire could evade attack was to cruise at high speed and go into a shallow dive with the throttle open. Provided the Fw 190 was seen in time, it could be forced into a long stern chase. [57]
Harrison killed the two Taliban machine gunners with shots that took the 8.59 mm (0.338 inch) rounds almost five seconds to hit their targets, which were 900 m (980 yd) beyond the L115A3 sniper rifle's recommended range. A third shot took out the insurgents' machine gun. The rifle used was made by Accuracy International. [21]
The limitation of the single stage supercharger was that the maximum power dropped quickly as higher altitudes were reached; because air pressure and air density decreases with altitude the efficiency of a piston engine drops because of the reduction in the weight of air [nb 1] that can be drawn into the engine; for example the air density, at ...
For rifles, ease-of-use features such as the design of the bolt or magazine release can affect the rate of fire. For artillery pieces, a gun on a towed mount can usually achieve a higher rate of fire than the same weapon mounted within the cramped confines of a tank or self-propelled gun. This is because the crew operating in the open can move ...
As European settlers found early on, their regular muskets were inadequate against dangerous African game. Early gun adaptations were essentially shotguns with extra long (smoothbore) barrels, firing solid balls. By the mid-19th century, the 12, 10, 8, 6, 4, and 2 bore muskets had been strengthened and bulked up for much larger powder charges.
According to Newtonian mechanics, if the gun and shooter are at rest initially, the force on the bullet will be equal to that on the gun-shooter. This is due to Newton's third law of motion (For every action, there is an equal and opposite reaction). Consider a system where the gun and shooter have a combined mass m g and the bullet has a mass m b.
The .22 long rifle, also known as the .22 LR or 5.7×15mmR, [4] [5] is a long-established variety of .22 caliber rimfire ammunition originating from the United States. It is used in a wide range of firearms including rifles , pistols , revolvers , and submachine guns .