Spin the rubber band as tight as you can. Using a drill is not always the most successful. Sometimes it contributes to the rubber band breaking. Mason preferred to take his time and hand spin the propeller.
Have an expert attach it to the Derby track. Dave Lewis helped Mason attach his rocket after his mom failed several times.
Balance the propeller for perfect release...
And watch as rocket after rocket falls off or breaks. Before you begin a space derby, make sure the track is in good working order or no rocket finishes the race.
But at the end, Mason's rocket went the furtherest. The cub scouts had a good time even though the races were pretty much a failure!!
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