How to Build a Power Pop From PVC
Look online for plans. Several do-it-yourself forums -- physicsforums and hackaday -- offer such plans for free, while other websites -- how-to-plans and ezlifellc -- offer plans for purchase. Mark the center of one of the 2-inch PVC end caps. Using a 3/4-inch bit, drill a hole at the center of the 2-inch …
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