Thanks gang--
FYI the 11 degree dim to horizontal was there to tie three sets of smaller bolt circle patterns to each other rotationally and I neglected to omit it for my simplified image.
--mschroeder
Here's an image representing the situation.
Thanks for the reply.
http://files.engineering.com/getfile.aspx?folder=1c72e030-7a75-4177-919a-b90a7356d6e9&file=disk.png
I have a flat disk, 20 holes around, and see so many examples of bolt circle dia's dimensioned as basic with a position on the holes.
Does the basic bolt circle dimension control location to a center hole in the disk used as datum A?
Does the basic bolt circle diameter dimension still allow...