Category Archives: Motors

GIGA IV – Head end ignition

Stainless steel head end igniter body from the GIGA III flight was re-furbished. For high altitude ignition the fuse head igniter was dipped in a slurry of BKNO3 viton aceton and left to dry. 3gr RIO/CuO/Mg thermite charge in heat shrink tubing as initial igniter. Booster ignition charge on top of monolithic grain consiting of

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Ball milling AP

This post is a repository. Tried ball milling AP to get a bimodal AP particle distribution for a 80% solids (barely) pourable formula. Lortone 45C ball mill 1840gr of ceramic grinding media 20mm balls 500gr of 200um spherical AP 3 hours run time. powdered sugar like consistancy