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  • PVidmar commented on mtairymd's instructable Air Trajectory for Science Olympiad 3 years ago
    Air Trajectory for Science Olympiad

    I made this for our Science Olympiad with some slight modifications. I added weights to the board and made it out of 1 1/4 inch PVC except for the launch tube. Our team took second at regionals! It was the first time our school participated in Science Olympiad. Thank you for great instructions and a great idea.

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