Building an air cannon that shoots a wad of paper

In summary, an air cannon works by using compressed air to shoot a projectile, such as a wad of paper, out of a tube. To build one, you will need a PVC pipe, a valve, an air compressor or hand pump, a trigger mechanism, and some glue or tape. To assemble the cannon, you will need to cut the PVC pipe, attach the valve and trigger mechanism, and connect the air compressor or hand pump. While using the air cannon, it is important to follow safety precautions and never aim it at people or living things. To improve its distance and accuracy, you can adjust the air pressure, use a longer or wider tube, experiment with different projectiles, and add a sight or scope for aiming. However
  • #1
MechE1
1
0
We are building an air cannon that shoots a wad of paper. I know the volume of the tank, the pressure of the tank, the size of the barrel, and the weight of the object. I need to know how to solve for initial velocity given this information. I will use the Vi to find the estimated distance.

Weight 4.5 grams
Max Pressure = 150 PSI
Tank Volume = 1.25 liters
Barrel Diameter = 1 inch

Do I need more information?

Thank you!
 
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  • #2
Barrel length.
 

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