You know, a small piece on how you did the maststep with carbon and ply would be interesting in itself.. Perhaps you can do a small writeup?
Marstrom have some nice parts, i.e.:
http://www.marstrom.com/item_show.asp?code_no=T118http://www.marstrom.com/item_show.asp?code_no=T401If you look at his ball, you see that it is not much more than a bolt with a ball welded on top.
I think I would want steel on steel for the maststep?
