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Transcript of Paintball Ballistics
How can the measured distance of a paintball launcher effect the time in seconds of the released paintball?
Data Analysis & Graph
For Trial 1 and 2 the results are very similar, almost exact, and for Trial 3 and 4 they are very different. Over all the results were similar. Within all 4 trials, most of the data ranged between the same numbers, but there were exceptions because this is science.
Paintball launchers use compressed gas to shoot paintballs at high speeds and with good accuracy. The flight path of the ball is determined by its speed and the distance at which it is shot. In this project, you determine how distance and speed can affect the shooting accuracy of a paintball.
- distance we are shooting the paintball launcher.
- how far the ball will go after we change the distance.
- the shooting target and where it’s located.
The hypothesis was rejected. The data clearly showed that changing the distance in how far a paintball was launched would not have an effect on how fast the paintball traveled in seconds to hit the target. For example, in Trial 1, the final average times of all 3 balls launched was 1.4 seconds. For Trial 2, the average times of all 3 balls launched was 1.39 seconds, so technically 1.4 seconds. Trial 2 was even further away from the target too, so the data from the experiment does not support the hypothesis.
We would like to thank you, Ms. Brand for staying after school with us. The help you gave us benefited us with our research paper and the rest of our experiment.
Paintball launching is not as simple as pulling the trigger and watching the paintball fly and small into your friend. There are so many different things that happen inside the launcher before a paintball even comes out. The launcher is in its ready to be fired state when it is under pressure. The way in which the pressure is let out is that the top of the launcher. This makes the pressure from the springs put tension on the paintball, and forces it to move forward. After the launcher is under pressure the hammer, which is like a piston inside of the launcher, is pulled back and put under tension against a spring. The gun is held into place by a wedge shaped piece of metal called a sear. The sear fits in to a cleft in the bottom of the hammer. The hammer is connected usually by pin or bar to another cylinder called the bolt.
1. Paintball Launcher and Paintballs
3. Stopwatch or Timer
4. Lab notebook
If the distance changes in how far a paintball is launched, then it will it have an impact on the time (in seconds).
1. First, assemble all of the materials.
2. Then, hang up the target and measure it from the floor 3 feet up.
3. Next, measure 2 feet away from the target, and shoot the ball 3 times.
4. Finally, shoot the ball at the target and time the distance in seconds when the ball leaves the launcher and when it hits the target.
5. Record your data.
6. Move back from the target 2 feet.
7. Repeat steps 4-6 for 4 different trials.
1. Science Definitions: Thrust, Lift, Drag, Aerodynamic, and Inertia. (n.d.). Retrieved October 29, 2014.
2. What is the hypothesis for Paintball Ballistics? (n.d.). Retrieved October 29, 2014.
3. Paintball Ballistics. (n.d.). Retrieved September 7, 2014, from http://www.sciencebuddies.org/science-fair-projects/project_ideas/Sports_p054.shtml#materials
4. Physics of Paintball :: Physics paintball gun. (n.d.). Retrieved December 9, 2014, from http://www.123helpme.com/physics-of-paintball-view.asp?id=153361
Background Research (continued)
The bolt is the part of the system which is actually in contact with the paintball. The bolt's main jobs are to regulate the loading of paintballs into the chamber and to make sure that the paintball is being pushed out of the launcher. When the trigger is pulled on the launcher, the front of the sear is pushed upwards, thus pushing the bottom of the sear down and allowing the bolt to move freely. The spring which was putting tension on the paintball forces it to move forwards. This is the process in which is how paintballs are launched.