I don't mean to sound unappreciative, but I already know this information and have demonstrated knowledge of said information in the first post.
The LHBS seems unwilling to discuss double crushing as a possibility, and simply played dumb when I inquired about it.
I cannot afford a grain mill at the moment because....
Uploaded with
ImageShack.us
Seriously, check the link I posted above to the closest LHBS that sells grain mills and keep in mind I would have to pay shipping or drive and hour and a half to get there.... They sell the handle separately for pete's sake.
But I want to know whether or not, assuming rest of my brew day goes well, that a 60% efficiency is a safe bet based on default crush and the recipe posted above?