Lee- there may be other methods but I suggest you carefully drill out the rivets, then carefully drill and tap with 10-24 (recommend using a combo drill-tap bit as it makes a one shot procedure), remove the end cap with reefing lines and outhaul attached. Once the cap is off you can pull the blocks out to inspect them, untwist, run new lines using messenger lines to the blocks, etc.
Thanks Camino, I was thinking along those lines. Is there any reason to remove both caps or will it all come out removing the aft end?
There are other threads on this site about those butterfly or shuttle blocks This thread here http://www.freedomyachts.org/viewtopic.php?f=9&t=12353&p=48916&hilit=Butterfly+blocks#p48904 shows a diagram. With the end cap off, you can pull the shuttle blocks right out. You may need to wrangle a bit with the forward lines entering the boom from the mast to allow enough slack to pull out.
Hey folks I have the shuttle reefing blocks and they work well. But they clang around inside the boom a lot. It is really annoying. Do you folks have this problem or know of a solution for it?
Hi all, I’m in the process of re-installing the in-boom blocks for the reefing lines on a F32. The boom is 14feet in length. Here’s my question - where do you position the blocks (midpoint, rear, front) so they pull the leech and luff evenly? Thanks for any insights!