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GIGA IV – Common bulkhead

One of the design changes for the GIGA IV is a common bulkhead to join the previously central avionics bay of GIGA I-III (in control of recovery) with the updated nose cone electronics (camera and GPS tracker). With this modification there is no longer space for a separate main parachute compartment as can be expected

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GIGA IV – Airframe construction

The GIGA III was built completely from aluminium but heavy like a tank. That is probably the reason why it was so successful recovering from non-flight-critical failures. In order to shave some weight for the from the total rocket mass of the GIGA IV it was decided to replace the aluminium tubes with fiberglass (FG)

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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 20211017 – For BKNO3. Lortone 45C ball mill

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