| rdfs:comment | - Muzzle velocity is a measurement of a projectiles speed when it leaves the barrel of the weapon it is fired from. This is usually expressed in feet per second (ft/s) or meters per second (m/s).
- Muzzle velocity is the speed a projectile has at the moment it leaves the muzzle of the gun. Muzzle velocities range from approximately to in black powder muskets, to more than in modern rifles with high-performance cartridges such as the .220 Swift and .204 Ruger, all the way to for tank guns firing kinetic energy penetrator ammunition. The velocity of a projectile is highest at the muzzle and drops off steadily because of air resistance.
- Muzzle velocity is the speed at which a projectile moves at the time it leaves the barrel of a weapon. This does not apply to beam weapons, such as the Rhino's Particle Cannon, which instantly hit their targets. For the most part, this controls the speed of the projectile for the entire time it exists, but weapons such as missiles and the Nanodart Launcher have custom scripts that control their speed. In the original Supreme Commander, Muzzle velocities seemed to have little effect on projectiles. However, with FA, these values are vital to proper projectile behavior.
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| abstract | - Muzzle velocity is the speed a projectile has at the moment it leaves the muzzle of the gun. Muzzle velocities range from approximately to in black powder muskets, to more than in modern rifles with high-performance cartridges such as the .220 Swift and .204 Ruger, all the way to for tank guns firing kinetic energy penetrator ammunition. The velocity of a projectile is highest at the muzzle and drops off steadily because of air resistance. In conventional guns, muzzle velocity is determined by the quality (burn speed, expansion) and quantity of the propellant, the mass of the projectile, and the length of the barrel. A slower burning propellant needs a longer barrel to burn completely, but can on the other hand use a heavier projectile. A faster burning propellant may accelerate a lighter projectile to higher speeds if the same amount of propellant is used. In a gun, the pressure resulting from the combustion process is a limiting factor on projectile velocity. A balance between propellant quality and quantity, projectile mass and barrel length must be found if both safety and optimal performance is to be achieved. Longer barrels give the propellant force more time to work on propelling the bullet. For this reason longer barrels generally provide higher velocities, everything else being equal. As the bullet moves down the bore, however, the propellant's gas pressure behind it diminishes. Given a long enough barrel, there would eventually be a point at which friction between the bullet and the barrel, and air resistance, would equal the force of the gas pressure behind it, and from that point, the velocity of the bullet would decrease. Large naval guns will have length to diameter ratios of 38:1 to 50:1. This length ratio maximizes the projectile velocity. There is much interest in modernizing naval weaponry by using electrically driven railguns, which overcome the limitations noted above. With railguns, a constant acceleration is provided along the entire length of the device, greatly increasing the muzzle velocity. There is also a significant advantage in not having to carry explosive propellant and even the projectile internal charges may be eliminated due to the high velocity - the projectile becomes a strictly kinetic weapon.
- Muzzle velocity is the speed at which a projectile moves at the time it leaves the barrel of a weapon. This does not apply to beam weapons, such as the Rhino's Particle Cannon, which instantly hit their targets. For the most part, this controls the speed of the projectile for the entire time it exists, but weapons such as missiles and the Nanodart Launcher have custom scripts that control their speed. When comparing weapons, a higher muzzle velocity is almost always better. A projectile with a low firing arc and a high muzzle velocity will hit moving targets more reliably, but it is also more likely to hit any terrain or walls that may be in the way. The Sprite Striker has an extremely high muzzle velocity, and the projectiles it fires are very high speed. On the other hand, a projectile with a high firing arc (such as artillery) and low muzzle velocity will take much longer to reach its target, making it poorer at hitting moving targets. This can also lead to overkill by wasting shots after firing a killing shot. To make up for this, most such weapons have an area of effect that will still damage units that have moved a little bit since the weapon was fired. In the original Supreme Commander, Muzzle velocities seemed to have little effect on projectiles. However, with FA, these values are vital to proper projectile behavior.
- Muzzle velocity is a measurement of a projectiles speed when it leaves the barrel of the weapon it is fired from. This is usually expressed in feet per second (ft/s) or meters per second (m/s).
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