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Make a super simple vacuum powered cannon that will shoot projectiles with a good amount of velocity. The nice thing about this project is that it is a ...
For this project you will need the following: PVC pipe (a 10' length of 3/4" was used here), a "T" connector (sized to match the PVC), duct tape, ...
Tape the vacuum hose to the middle opening of the "T" connector and push the connector onto one end of the PVC. There, that was pretty easy.
Put the ball in the end of the PVC that doesn't have the connector on it. Cap the ends of the PVC with newspaper; you may need a ...
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