Spending most of the day on my self-made centerboard. 
With a lot of help from my friend Karl-Otto Strömberg, I made the two centeboard and rudder halfs using the (beuitifully simple) infusion technique. After gluing them together with exoxy/microbaloon bog (thanks dad for the second pair of hands!).
The end result is really great! Imagen having made your own centerboard! (OK, OK, with helpful and skilled assistance). The mould is not perfect, so I spend an hour or two longboarding it. The centerboard is REALLY high aspect so the cord length is increadible short – this means that the longboarding is actually more like shortboarding. After getting almost there, I leave some room for future therapeutic pre-regatta centerboard sanding.
Now comes the next challenge – getting the centerboard into the case! The 505 class rule says:
The centreboard shall fit within the centreboard case not extending below the bottom of the hull when fully raised. The trailing edge may project above the centreboard case top when in the raised or partly raised position. No part of the leading edge which is more than 300mm from the tip and is capable of protruding below the hull shall be capable of being raised more than 200mm above the bottom of the hull. No part of the centreboard shall be capable of protruding more than 1450mm below the hull.
At the same time, the centerboard case is limited by rules as well. When I try, the centerboard does not fit. Fully lowered, it extents 1450 millimeters exactly which is beautiful. Obviously, I want the centerboard as long as possible. …but when trying to raise it, it is almost 3 centimeters too long. Putting all the rules together, it is like putting my 10½ foot into my son’s 7½ sneakers!
I spend most of the afternoon, trying to make it all fit together. There are some tricks to be used: The Rondar boat has a system to raise the centerboard pin. By raiing the pin when raising the board, the centerboard is still 2 centimeters too long. By putting the pin hole as far into the centerboard without the edges hitting the case walls, I am able to get one centimeter more.
After some more agonized moments, I realize I will never get the centerboard into the case. I almost cry when I put the hacksaw into the board and chop 1 (!) centimeter off the end. However, after I round the end up and make it pretty, the end result look pretty damn good anyway. Now the board fits like a pair of legs into a well used Levis. There are a few millimeters between the tip and the end of the case when I raise it and when I have it all the way down, it extends 1440 millimeters from the hull.
How long is your centerboard?