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prodyne hurricane

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  1. J

    Recommendation for an easy build kit for an E or F motor

    I am an old lapsed rocketeer who now has grandkids interested and I have some old ProDyne motors I would like to build around. The Cyclone motor has a 1 inch motor diameter and varies in length and probably is in the low E category The Hurricane motor is 1.125 inch in diameter and also has...
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