Hi Gardner,
I'm planning something similar on my next boat (Rare Bird won't fit thru the European canals :-( )
My plan is for a unarig with a wishbone - a single-sided wishbone so that I can remove it from the mast and and use IT for the gin pole. The attachment point on the mast can be the same for sailing and for lifting ( the wishbone may need an extension to be able to lift high enough, but that's better then having to store a 6 meter gin pole).
I was going with a Ballestron rig (it's SO good on Rare Bird), but this is going to be a motor-sailer, and the boom takes up too much space when motoring with the mast down, whether you leave it in place (using a different design from RB's) or lay it along the boat.
The wishbone outhaul (sail tensioner) will need a pulley on both mast and at the forward end of the wishbone, in order to be used for lifting. This will also double the tension with which you can flatten the sail.
What do you think?
Cheers,
Col Campey
PS Rarebird is one day's work away from being able to sail again, after 2 years rebuilding the rudders and rudder cassettes with much stronger stainless steel shafts. The work is being done with RB attached to a pontoon in the Caboolture River, and the wettest summer on record is a big contributor to the slowness of the job - still raining on and off now, so the last little bit of epoxying will have to wait until I'm back from the UK in a month :-(