• Water Putty Nozzle Static Test Burn

    8,249 views 5 years ago
    This is a 3/4" I.D. PVC rocket motor rammed with powdered potassium nitrate - sugar propellant 65/35 with 1% red iron(III) oxide. The nozzle is Dunham's rock hard water putty. The cylindrical core is 0.112" x 1.875". Show less
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