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Pictures of the nozzle extension handling fixture. Once I got the camera high enough to go over the top of the extension, I could no longer see through the viewfinder, so these were "shooting blind."

Picture 4 of 4.

This picture (taken on a sunnier day than the previous three photos) really shows the construction of the nozzle extension: There are 23 rows of overlapping shingles. The nozzle extension itself is double-walled, with cooler turbine exhaust gasses (cooler in comparison to the main exhaust) entering at the top of the extension and venting through gaps in the shingles, film-cooling the wall of the extension.