<quote>If i am seeing this correctly, you have a triple setup... tack, halyard and retrieval all on the same line....</quote>

Andrew, that is correct. I just thought it seemed logical that way, at least in theory!
Maybe there's a reason nobody has it set up this way though. Like too much resistance for example. If so, I'd like to find out before I start drilling my main beam to Swiss cheese... (but like I said, I'm in no haste).