I think this design, #126, hits my latest contest discussion notes perfectly. It still needs work, but moving in the right direction.
Thanks,
Some new thoughts. Less stylzed barrel. I use a Nadalie 225L French oak barrels. If you want a reference point.
http://www.nadalie.fr/index_2.php?local=uk&page=produitOn the vines and leaves. Here is a URL that shows proper pruning of a mature cordon. I think it would be too much to have your vines be that chunky, but I wanted you to get an idea of how the vines look in the real world. Actually, in our vineyard we prune off the left side, so it is more like an flipped over L than a T.
http://cellarette.wordpress.com/2008/12/19/pruning-under-way/