The spinner is finished and I'm ready to start fitting the cowling. After the cowling is fitted I will be coating the spinner with an epoxy primer. Also before installing the spinner for flight I'm going to add a layer of rtv around the flanges of both spinner bulkheads.
Checking cowl fit with extension:
The extension gives me plenty of room to trim for an exact fit:
Spinner complete and edges sanded to about 1/16 from bulkhead:
Front bulkhead installed and safety wired: