Alignment and final drilling

9.0 Hours

Forward plumb bob full size

I created plumb bobs from sockets and fishing line. This allows me to make sure the assembly is vertical from front to back before drilling the j-stiffeners

Another plumb bob full size

The next one back

Line it up with the centerline full size

Making sure it is correct.

The final plumb bob full size

This one is at the end of the tailcone.

Final drilling j-stiffeners full size

Now that everything is lined up, drill the stiffeners and cleco. After this the assembly is much more rigid.

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