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The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.
I have a 1981 catalina 25. I need to know how far off the mast step is the bottom of the boom. I also need a good picture of the gooseneck and related hardware above and below. My mast is not the original and I believe I may be missing something. This is my first sailboat and she is in great shape. Original upholstery and interior. I will be asking a lot of questions on this forum.
Does this boom "float" or is it held fast on the mast? What I mean is, does it slide into the mast track and get held down by a downhaul working against the main halyard or does it have a riveted gooseneck?
Congratulations on your new (to you) boat! Welcome to the forum.
The goosneck is free. I think it supposed to have a track stop above and below the gooseneck. I did purchase them, but do not know how high the boom is supposed to be. Right now I am using the pop top lock to hold up the boom. The mast is 28 ft. That is the proper hight for a standard mast. I plan on installing a cunningham to tighten the mast. The luff is loose and I can not get it tight with just the main halyard. I just want to make sure that all components around the goosneck are installed properly and that the boom is at the proper hight off the deck so I can lift the top and secure it.
Raise your sail to the top. There is a hole on the bottom of the sliding gooseneck, run a line through the hole, you can simply put a knot at the end of the line or make it off. Use the line to "downhaul" the gooseneck to the tension you like, Make the free end off. Now set the stops above and below against the boom, you really only need the bottom stop if you leave the gooseneck down haul on which I always did. Here is a poor picture of the set-up on my 82. You see an eye strap which is for the bitter end of the gooseneck downhaul but I just put a knot on the line so it would not pull out. You see a green line that is running from the gooseneck to a cleat on the mast, it is the gooseneck downhaul. You see the thumb wheel of the stop under the gooseneck, keeping the boom in place when the sail is not up. SO to locate your boom, raise your sail, haul the boom down, set the bottom stop and you are done. There are a lot of photos of how to rig your boat on teh pages in my sig.
Frank's description is dead on but, unfortunately, his photo doesn't show the downhaul. At least, I can't see it. What it shows is his boom vang, cunningham and a few other lines. The downhaul is on the gooseneck on the undeside of the boom, next to the mast. The downhaul is simply a vertical (i.e. paralel to the mast)line used in opposition to the main halyard. You only need a lower stop to keep the boom from falling when the mainsail is down, hence no pressure on the main halyard. BTW, the use of the downhaul may reduce the need for a cunningham in your mainsail.
Frank's downhaul is mostly visible on the starboard cleat. My boat had another cleat attached to the kerf close to the base of the mast, intended for the downhaul. (The top of the cleat was flattened from the gooseneck falling on it--I added a sail-stop to hold the boom up.)
If I were to use two stops, I'd still keep the downhaul for insurance. If the upper stop loosens and the boom pops up, the gooseneck slider could reach the mast gate and fall out at a very inopportune time.
Notice: The advice given on this site is based upon individual or quoted experience, yours may differ. The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.