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The Science of Airsoft

Airsoft, like any other sport, involves many scientific principles that go relatively unnoticed.  In the heat of battle, one rarely worries about something like the transfer of kinetic energy.  While knowing airsoft physics will not realistically help you in a game, the principles are good to know.  Knowledge of pellet ballistics, on the other hand, can help you with your game.

Pellets transfer very small amounts of kinetic energy mainly because of their size.  The transfer of energy is basically the power of impact.  Airsoft and paintball energy transfers have been compared, and paintball transfers substantially more energy.  Energy transfers are measured in joules, the SI derived unit of energy.  A
standard .20g BB traveling at 300ft/s transfers .8 joules,new merchandise, while a
standard paintball traveling at the same speed transfers almost 12
joules.  Energy transfer can actually be calculated using a mathematical formula; E = 1/2mv2, where E is joules,hockey pittsburg, m is mass in kilograms, and v is velocity in meters per second.  Since paintballs transfer more kinetic energy, they could be considered more damaging than airsoft pellets.

The weight of airsoft pellets significantly affects their speed and trajectory.  The
lighter a pellet is, the faster it will travel, but it will also be
less accurate due to the fact it will be more susceptible to
environmental factors like wind.  Heavier pellets have
straighter trajectories, so they are favorable to lighter pellets, but
in many cases heavier pellets cannot be used because the airsoft gun
utilizing them is not strong enough to propel the pellets at a fast
rate.  Therefore, players that wish to use pellets heavier than .25g usually need to upgrade their gun.  Another benefit of heavy pellets is that they decelerate slowly, unlike light pellets,sport stores los angeles, which start fast but quickly lose speed.  Airsoft
snipers usually use .30g pellets because of their high stability, but
sniper weights can reach as high as .43g (although very expensive
upgrades are required to use this grade of pellet).  The
heaviest pellet is .88g, which is never used in airsoft because it is
incredibly slow, not to mention very dangerous, as it is usually made
of steel.

Pellet velocity is determined primarily by the
tension of the spring being used to propel the pellet, or in the case
of gas airsoft guns, the type of gas being used.  Energy transfer is relative to the speed of the pellet, and speed is also heavily affected by weight.  For example, a .12g pellet using .800J (the common energy rate of airsoft) of energy will initially travel 375fps.  However,
a .20g pellet utilizing the same amount of energy only travels about
280fps, and a .45g pellet will travel at about 200fps.  For a .45g pellet to reach the velocity of a 375fps .12g pellet,classic jordan shoes, it would need to utilize more than 2.50J of energy.

Bernoulli’s principle is the method through which pellets fly.  It is,big kid jordan shoes, interestingly, also the principle through which airplanes attain lift.  Bernoulli’s principle states that the velocities of fluids increase with a decrease in pressure.  In
relation to airsoft, there is a fluid (air) above the pellet at a
relatively high velocity, which means the pressure above the airsoft
pellet is lower than the pressure under it, as there is a smaller
amount of air flowing under the pellet as there is above it.  Therefore, the pressure under the airsoft pellet pushes up and lifts the pellet, allowing it to fly for a long period of time.  Hop-up
systems in airsoft guns apply backspin to pellets, making air travel
faster along the top of the pellet and creating a larger difference in
pressure between the top and bottom. 

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