Full tutorial on how to build the afterburner section of a jet engine. Includes instructions for rigging exhaust nozzle petals. (This is a long video, if you are just interested in the rigging information, try this shorter video that just focuses on the rigging:
https://youtu.be/MI_r5sL6hmU )
F-101 Voodoo WIP: https://blenderartists.org/t/f-101-voodoo/1419174