This will be the PVC pipe that we'll use to hold the weights, and the caps are a good fit in which the weights aren't going to roll out. We had to shorten the original length of the pipe to try it out in the frame. Next time, we'll have to decide on how many weights we're going to use, and see if we need to shorten the current length of the pipe. In addition to finding something that's firm enough to hold the top PVC pipe to the swinging arm, so that the swinging arm doesn't move side to side when it's launching the soccer ball.
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