Payload final assembly

This last step was uneventful and unworthy of a photo but I basically epoxied the coupler 6" up into the 20" payload tube.  One cool new thing I tried that worked well was to pour epoxy into the payload tube and wipe it around the inside 6" with a resin squeegee.  This formed a nice uniform film and then I poured more resin near the entrance to the tube.  Finally I twisted the coupler up in to ensure good contact then propped the assembly upright in the sustainer to cure.

I still need to sand that nose cone shoulder to better fit the payload tube but otherwise this beast is heading for the glassing/finishing department at G. Smith Aerospace (or G.S.A. as I like to now call it)!