Take a look at these photos from the Pacific Seacraft Dana 24. Perhaps
similar in size / layout to the IP23...?

Here's the 'sprit + rig:

http://www.pacificseacraft.com/cgi-b...tview.php?2422

and here's how to buy the 'sprit:

http://www.pacificseacraft.com/parts...9&cat=bowsprit

Good Luck.

MW