As someone who is trying to "create" my own jig, I was wondering where you got your "design intent". You seem to have really thought the process through, I was wondering what you modeled your jig from, the factory or your own design? (Or posssibly the repair jig in the Boeing SRM?)
For example here is a Boeing jig:
![Image](http://i206.photobucket.com/albums/bb101/VNSPEC22/B-17Fuselage4.jpg)
And here is a "after market jig":
![Image](http://i206.photobucket.com/albums/bb101/VNSPEC22/B-17ReillyRestorationJig.jpg)
Are you using CAD/3D Modeling Software to create the jig before construction?
Here is another "after market" jig design using CAD:
![Image](http://i206.photobucket.com/albums/bb101/VNSPEC22/FlugwerkP-51horizontaljig.jpg)
And the finished product:
![Image](http://i206.photobucket.com/albums/bb101/VNSPEC22/AP-51horiztaljig3.jpg)
Thank you for posting your hard work, this looks like a well planned effort!