I'm trying to locate a comprehensive owner's manual for my 1977 RK-21, which is basically an Ensenada/Balboa 20, reportedly. Does anyone have a manual which can be copied? I have no idea how the rigging was laid out, and only a few interior pictures to go by (my interior needs...

Hi, I recently bought an old 1977 RK-21, similar to the Ensenada 20 and the Balboa 20. I have two threaded drains below the stern and two scuppers in the cockpit leading to the bilge and drains. What I don't know is whether these drains are supposed to be open or closed when sailing, or whether...

Hi all, I recently bought a 1977 RK-21 for a winter project and have been finding a lot of good information on this site. I'm looking forward to being more active through the winter. This old boat needs lots of TLC and I'll need a lot of help as I work through some of its problems. Thanks in...