Rolf. A quick picture to satisfy your interest.

http://www.catsailor.com/gallery/displayimage.php?album=163&pos=0

You see the net connection, the special ropes leaving the tillerarm which operate the rudder internal the casting, the standing surface for my feets (very,very comfortable) and the rudder+casting. Mind the external spring which in fact holds the rudder down when clicked on.

ronald
RAIDER-15 (homebuilt)

hey boy, what did you do over there, alone far out at sea?..
"huh....., that's the only place where I'm happy, sir.