Is a heavy displacement sailboat best for cruising? Single line reefing can be improved a lot, reducing friction by. So, this spring I have re-rigged the reefing system to a double-line setup on both first and second reefs. 1: Shown is Swiebertje’s single ‘deep’ reef main combined with a Bartels genoa reefing system. No lines are run to the cockpit currently, so doing so isn't a huge concern for the reefing. The forward end of a slab reefing system consists of either reefing horns, a cunningham hook, or a luff-line on the boom. The single line reefing system is probably the easiest way to pull a reef in a mainsail and, providing the mainsail halyard and topping lift are led back to the cockpit, there's no need to clamber up to the mast to shorten sail. I went with a more conservative approach of a two line jiffy reefing system. They start on the boom aft, up through the leech reef grommet and down to an aft block on the boom, forward to a double block at the mast and up through the luff reef grommet. Rivets and machine screws. Nothing beats the jiffy reefing system for simplicity and reliability. After reading about the pros and cons of single vs. 2-line jiffy reefing, I installed single line jiffy reefing (1st & 2nd reefs) on my Catalina 25. Here are some pictures on another thread that I posted: All, Thank you for the advice. Often don't need to slack the mainsheet till the very end of hauling in the clew line. If I feel the need I can re rig the cunningham to the same reef point while at the dock or at anchor or on the water. 3 screw down eye straps. The system makes reefing your mainsail a quick and easy operation. On some boats the halyard is operated from the mast and the topping lift from the cockpit - which is just plain daft - but if this is the case it's best to keep the halyard and the reefing line in the same location, as you can deal with the topping lift before you leave the cockpit and when you return to it. 3. Hmmm. This title covers all the fundamentals of learning to sail in a tiller-controlled yacht. It explains all you need to get started, from rigging the boat, to weather and wind angles, through to safety. This arrangement achieves true jiffy reefing, as both the leech and luff reefing points can be pulled down to the boom with a single line, from the cabintop. Get back on course and trim sails. I highly recommend a "2 line" jiffy reefing system vs a "1 line." But if the halyard and the topping lift are operated from the mast, then this is where the reefing pennant should terminate too. I won’t get into all the nuances of reefing in this post. To do this you need (for each reef): 2 lines, one double block + one extra block in the mast end of the boom. This Harken diagram details the blocks and lines you need to assemble a slab reefing system. 2. Now that you have found your reef points take a reefing line or sail tie and feed it through the holes. For a better experience, please enable JavaScript in your browser before proceeding. I have a Sun Odyssey 36i Performance model year 2009. It's common to lead the reef line to a rope clutch near the cockpit. And Joe's suggestion to check out the various websites like Harken will show you sketches and pictures, as well as my suggestion to Google the term. MAINSAIL REEFING REVIEW The predominant Wayfarer mainsail reefing system is slab reefing. Did you complete your reefing system? This reduces the friction created by going through the cringle. This isn't just useful for singlehanders; it means that one half of a cruising couple can pull in - or let out - a reef in the main without … Barton simply said they would not suggest it with their 41130 system. "[This book] aims [to guide] you througfh the practical side of putting a yacht's rig together. It was pretty easy to install, and works really well. This used a single reef line lead to a cleat on the mast. Barton pushed me towards their slab reefing system. 37. Found inside – Page 67Slab (Jiffy) Reefing In the absence of in-mast reefing or a rollerreefing boom, there's the good old standby of slab ... Slab reefing from the cockpit often utilizes a single reefing line that is run through a reef cringle (a ring sewn ... Belay the line temporarily. It’s as simple as that! Found inside – Page 225SAILBOATS FOR SALE 41' MORGAN OUT ISLAND Ketch 1976 Westerbeke diesel, Hyde reefing-furling system. ... Roller Genoa, Jiffy reefing main, Auto-pilot, Perkins 85 HP diesel, A/C, Bimini, full electronics incl. Loran-C. Two staterooms, ... Found inside – Page 2-32“ jiffy ” or “ slab ” reefing system . The sail is lowered onto the boom and secured with a single earing and hook , and the bunt is gathered and tied up with small stuff or a spiral lacing line through relatively few reef eyelets . Found inside – Page 108Mainsail Jiffy Reefing The reefing system for a mainsail must be designed to operate efficiently under adverse ... BEFORE REEF Reef cringle Reef cringle Fairlead che con A Cheek block Single block Vertical turning block REEFED Reef ... This shows a typical single line reefing system. Take in the reefing clew line, or luff cringle, via a boom winch or tackle as much as possible, and make fast. When to reef a sailboat – Sailing Blog by NauticEd nauticed.org I am interested in determining if there are any good single line reefing (jiffy reefing) systems for the main sail on my 1981 C30 tall rig. Is a heavy displacement sailboat best for cruising? I unashamedly admit that jiffy reefing, or slab reefing as it's also known, is my choice of mainsail reefing system. Single Line Reefing: This method works very much like two line reefing, except that one line is run through both reef points (Figure 5) and then only that line is tightened to secure the reef. « Reply #4 on: October 16, 2006, 08:17:52 PM ». Both Harken and Barton informed me their kits would be undersized for a C30 tall rig. I have never seen a single-line reefing system that really works properly. On a big boat it is probably a great system since doing anything the end of the boom can be difficult when the wind kicks up. Found insideBarient single- and double - foot blocks feature an open face , which ... Lines from " to % " can be accommodated . ... Standard features include a combination paddle / mast support , boom topping lift , jiffy reefing for the mainsail ... Mainsail Reefing Line – Leech Cringle. Remove any slack in other reefs. This system makes reefing your mainsail a quick and easy operation - just lower the main to a predetermined mark … Simple and inexpensive. Adjust the mainsheet. The C250 owner's manual has the Jiffy Reef system. There is much opinion about the height of the points above the boom, here is mine. I shared the dimensions with both Harken and Barton. This book covers all the bases, including how to inspect, buy, and equip a boat; how to trailer, sail, navigate, and cruise in small boats; how to use communications and navigation equipment; and more. Right now I tie a line to the bottom of the gooseneck, go up through the grommet, then down to a block on my mast organizer, then to a cleat. Slab reefing, also known as "jiffy reefing," is a process of temporarily removing sail area from the main by lowering the halyard and re-fastening the boom to the sail using reinforcements sewn to the sail at the reef tack and reef clew. Found inside – Page 235Refrigeration Cooling food and drinks on board : some popular methods Mainsail slab- or jiffy - reefing system . V ( Very occasionally , the headstay itself rotates . ) But most roller furlers are inefficient when used for reefing ... Slab reefing sides and Dutchman system. Single line reefing works best with slides installed on the luff. A good benchmark is 1m and 2m. Found inside – Page 173REEFING. SYSTEMS. Looking at the illustration of the mainsail, we see above the tack and clew two reinforced points, the reefing tack and clew. When the sail is reefed, the reefing tack is secured to the boom by a hook or by a line in ... It works great for me. Found insideSingleline jiffy reefing By letting off the main halliard and hauling on a single reefing line, this system gives quick, simple reefing. The reefing line starts where it is made fast at the aft end of the boom, on the port side; ... Slab reefing bolt rope. Slacken the mainsheet. Sun, 06/24/2012 - 17:45. This arrangement allows the mainsail to be reefed (and un-reefed) entirely from the cockpit by pulling a single line. The double line reefing system was a blessing sailing in SF Bay as a typical daysail required tieing in and shaking out the reef at least two times in an afternoon. I am hoping I can find an appropriately sized jiffy reefing kit and be able to reef entirely from the cock pit. Touch device users, explore by touch or with swipe gestures. I also added a double line reefing system to my Catalina 34 (previous boat). You can see the deep first reef in the picture below. 3. Single-line reefing. Mainsail Halyard marked just below the jammer. jr, every single Catalina manual has a picture of the double line reefing that came from the factory. We've gathered our favorite ideas for Reefing Line Cutter, Explore our list of popular images of Reefing Line Cutter Photos Collection with high resolution ... Hunter 23 Reefing System Sailnet Community. The single line reefing system is probably the easiest way to pull a reef in a mainsail and, providing the mainsail halyard and topping lift are led back to the cockpit, there's no need to clamber up to the mast to shorten sail. AutoReef Systems use specifically modified Gooseneck and Outhaul castings with 1 or 2 additional holes drilled in them. Mainsail You will need a sailmaker to put in the reefing points. 29 Jun 2001. Found inside – Page 170Otherwise the best answer is the now - traditional slab - reefing ( jiffyreefing ) system . There are several variations on this theme – reefing lines inside the boom or external ; single - line reefing systems in which the tack and ... The main objective is to be able to reef from the cockpit, so that you don't have to go on deck. Jiffy Reefing is a very easy project if you have the gromets all ready on the Main. In the picture below I show the rigging of a Jiffy Reefing System. The Main and Boom are transparent so you can follow the flow of the Reefing Line. 1. Length of 1/4" line. We have a cunningham rigged at 2:1 at the mast head that leads aft to the clutch and then we have our largest aft reef point ran to the cockpit as well. One by Harken for boats up to 27'. Rather than routing the single reefing line through the cringle, I used a small Harken block, shackle through the cringle to an "O" ring. 1 small Lance Cleat. With Single line reefing all you can attain is a flat, less drafted, sail which is not really good for 'punching' into heavy chop and/or big waves.
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