You can not just throw them into your sailbox.
Now, now Robi. Surely you're not telling us that you simply 'throw' your (non-foil) rudders into your sailbox? <img src="http://www.catsailor.com/forums/images/graemlins/shocked.gif" alt="" />
<img src="http://www.catsailor.com/forums/images/graemlins/grin.gif" alt="" />
