Pics of the N20 rudder setup and DIY Spi pole:

http://www.thebeachcats.com/index.php?module=pictures&g2_itemId=72912

Sailing Report: Gained approx 2 degrees pointing to windward,
fingertip control, up/down is so easy the wife is now doing
it Still working on smoothness of turning in a tack, but
so far it seems to be easier with less chances of stalling.