SS2S Star Unigrain normal & 210 fps

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Author:mojaverockets
Published:2010-10-18 05:08:54

Second test of our 7-point 2-segment 3" diameter Star unigrain KNO3/sorbitol propellant. Nozzle used was sized for a 4 segment motor (normally would be burning at 600 psi chamber pressure).

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