īarton have "Stand up" blocks that could do the job (other makes have similar solutions). You have to look find blocks and attachments that match each other - using bases with springs prevent the blocks from falling over.when unloaded. 3 a : a lower corner or only the after corner of a sail. topgallant sheets and studding sail tacks, and the topsail clewlines and. 2 : something that guides through an intricate procedure or maze of difficulties : clue. I prefer using hardware that have a rated load. may deem expedient, such as to have the topgallant clew-lines led along. The load on the mast base block is reef line load * 1,41 (beacause the turning angle is 90° The load on the the reef line is 1/2 the calculated value. If your clew reef has a traditional setup with the line going from the boom through the reef cringle back to the boom and through a sheave and forward. Clewlines are connected to the outer lower corners of a sail, through the upper corners, then through. Use sail measures corresponding to the reefed sail size, Wind speed = max expected wind with given reef. Clewlines are lines that are used to handle a sail. Use X=0 as we are looking for the load on reefing line (not main sheet) However, I am coming up to riggging my Cutty Sark. to haul (the lower corners of a square-rig sail) up to the yard by means of the clew lines. I would start with calculating the expected load on the clew reef line. Usually running rigging consists of halyards, lifts, braces, parrels etc. Take in the reefing clew line, or luff cringle, via a boom winch or tackle as much as possible, and make fast. Hoist the main halyard until the luff is firm and wrinkle-free. The bungee cord is there to prevent the in boom jammers from engaging (kind of beets the purpose using these - on my new boom it's not even fitted)Ĭlick to expand.It's difficult to make specific advice with limited information. Tighten and make fast the reefing tack line, or put the tack cringle onto the gooseneck hook, ring or shackle. The clew - lines and bunt - lines being eased off, the sheets are hauled home to the yard - arms : the sail is then hoisted up by the halliards to see if. Clew line definition, one of the ropes or tackles used to raise the clews, or lower corners, of a square sail to the upper yard or mast. The check block for first and third tack reef is on the opposite side (starboard side)Īt the boom you can see the clew reef lines going down almost parallel to the mast (side ways) a small angle towards the mast ring (=pivot point of the boom) Here you can see on the mast from top (port side)Ģ) Eye - The cunningham is attached the eye on starboard side. Main Halyard + Genoa (or spinnaker) halyard = Not so good.īut again - testing geometry on the boat is the best way to check for fair lead If you pair lines that will not be loaded at the same time it would work fine, lines that are loaded at the same time can give unwanted geometry issues (assuming the block is alowed to adjust). You can use double blocks - just consider what lines you pair in the double block.
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