Reduce Tension on the boom vang. The CDI Mainsail Reefing System is intended to reef and furl mainsails or mizzen sails easily and safely. At the back of the sail, the reef clew will have a line that runs down to the end of the boom and back to the mast. The Mainsail Reefing System is NOT designed to be used while the boat is in the water with the mast tipped forward while passing under low clearance obstructions (bridges, power lines, etc.). Furlex 104s. In a pennant system, line stretch is unavoidable and contributes to a loss of performance. The sail slides up and down on the lines like a Roman shade. Bowsprit, retractable 4.25" diameter, clear coated carbon fiber with 1:2 under-deck Harken launching system. Harken deck organisers for lines lead aft to cockpit. As with a jib reefing product, the new Mainsail Reefing system allows infinite size choices when reefing the mainsail to accommodate all wind and sea conditions. Reef Mainsail with One Line Easy to Install Reef From Cockpit in Seconds Use with Regular or Full-Length Battens Track Allows Easy Adjustment of Block for Best Sail Shape No Modification to Sails with Reef Points Single Line Mainsail Reefing System INSTRUCTION MANUAL. First there were simple reef points – short rope pennants that could be used to gather up parts of a sail to reduce its area. Re-tension the halyard. Hoist the main halyard until the luff is firm and wrinkle-free. Integral hydraulic backstay adjuster. The advantages of such a system are clear: easy handling of the sail when setting, recovering and reefing. Furlex 50s. Reliable headsail furling systems have certainly achieved that goal, but reefing the mainsail still presents a dilemma. Slab reefing the mainsail is the subject of this article. There are lots of benefits that make a reef hook more advantageous than a traditional pennant reefing system: No line stretch - Textiles stretch under load. Contents of your Single Line Reefing Kit 1 x Reefing slide on 25mm ‘T’ track with end fittings (No.1) 2 x Eye Straps (No.2) 1 x Tang Block (No.3) Not quite an "in-mast" system, since it was added later. This system is based on the proven reliability of the CDI Flexible Jib Furler. Wooden Boats. MAINSAIL REEFING REVIEW The predominant Wayfarer mainsail reefing system is slab reefing. Ease the main-sheet. And once in harbour after a nice sail, there is no need to flake and cover up the mainsail on the boom. Learn how to reef a mainsail with a double slab reefing system Particularly when you are sailing shorthanded, reefing systems need to be easy and quick to use, extremely reliable and suitable for the boat and rig, a mainsail reefing system that works well on a mast head rigged 20 foot boat may be a disaster waiting to happen on a larger fractionally rigged boat with a huge mainsail, so choose carefully. First, some history…. 1. A list of production yachts at the Annapolis Boat Show using Slab reefing include; Impression, Dufour , Southerly, Outbound, Fingulf, Valiant, Delphia, Grand Solie, X41, … The Furlboom in-boom mainsail reefing and furling system was developed by Australian sailmakers and spar builders and is manufactured and distributed in North America exclusively by Yachting Systems of America, LLC of Costa Mesa, California. The new system is based on the time proven design of the CDI Flexible Furler. Hood’s sailmaking ­background and yacht-design ­business put him at the head of the fleet, and Stowaway Masts, with their mechanical, electric or hydraulic roller reefing systems, showed up on vessels from 35 to 100-plus feet. That system wasn't reliable and was said to deform the mainsail. A mainsail with this type of reefing system will have two or more reefing points. Transcription . WE SHIP WORLDWIDE: More Info. The Rigging Company, LLP. This is OK until Mother nature gets angry and you have to deal with what she hands out to you out there. Found inside – Page 69After six years of development and rigorous testing, ZipStop, a mainsail furling and reefing system, unlike any other, is available from your sailmaker. Sometimes referred to as jiffy reefing. A good benchmark is 1m and 2m. 1. Off-white low-maintenance bulkheads, and lightweight bin panels with vinyl trim and teak cap moldings. Tension the reef line. Bolt rope and slides, lazy jacks and Dutchman systems. Secure the reef tack. Set the autopilot to maintain your course under jib alone, or heave-to. Winching against an obstruction can cause hidden damage to the mainsail furler internal stay. Lower the main halyard. Integral hydraulic backstay adjuster. (I recently decided to make use of some blocks that were setup to use as a jiffy-reef type system on the boom) I have a non-roller furling boom setup with lazyjacks, so the line will be what is actually holding the sail down. Macgregor 26s Kemah, TX. Guarda foto e dettagli di questa barca o cerca altre Catana barche in vendita su boats.com. Although staysail roller-furling is effective and very common, inmast or in-boom mainsail furling involves some compromises, and mainsail slab reefing gives a better sail shape. The furled mainsail is contained in a housing section fixed to the mast. Main sail; Furling mainsail; Genoa; Genoa reefing system - roll; Aluminium boom; Deck hardware Selden; Rodkicker Selden; Deck Equipment. Reef Mainsail with One Line Easy to Install Reef From Cockpit in Seconds Use with Regular or Full-Length Battens Track Allows Easy Adjustment of Block for Best Sail Shape No Modification to Sails with Reef Points Single Line Mainsail Reefing System INSTRUCTION MANUAL. Sometimes referred to as jiffy reefing. Install it easily on any existing sailboat without breaking the bank. Clew Track Assembly 1 HSB60 Clew Slider Assembly 1 13/64”H-24294C Track This is the way that 90% of the fleet will reef their mainsail, and when done correctly it is the simplest and most reliable system. Reefing the mainsail involves lowering the sail part way to reduce its size when the wind increases. Manxman. At the forward edge of the reefing point will be a reefing tack, which gets attached to a hook on the boom near the gooseneck. The Mainsail Reefing System delivers to the sailboat owner a reasonably priced mainsail reefing system that can be owner installed. Up through the mid 1970s, sailors had little choice in mainsail handling systems other than traditional slab reefing with lazy jacks and multiple reefing lines. Mainsail You will need a sailmaker to put in the reefing points. Most sailors will stay in protected water during lousy weather claiming they don't have decent reefing on the mainsail. It also reduces the risk of capsizing in a gust. Main boom with #1 reef stopper to port and #2 reef sheave on starboard side may also be used as a Cunningham. Wooden Boat Plans. A reefing hook avoids this, ensuring mainsail shape is stable and maintained. March 17, 2014. The system makes reefing your mainsail a quick and easy operation. > The HRC locking systems : protects the boom sheaves and reefing lines, subject to high tensions. Having to drop the sail doesn't, in my book count as reeking and having to deal with a mainsail on deck in a rising wind is possibly dangerous. Rigid boomvang with integral cleating. In-mast and in-boom furling systems deserve a mention here. To decide which one is best for you, Dick Beaumont examines the pros and cons of each. In general, this system is configured in two ways: A reefed sail reduces heeling of the boat and makes the boat easier to manage. ELECTRICAL. Mainsail Trim Changing the shape of the mainsail involves changing the depth of the draft to produce a flatter or fuller sail. CDI MR4/6Mainsail Roller Furling Unit. GP14 REEFING SYSTEMS Oliver L. Shaw Major Revision, 21st January 2019 Minor Further Revisions 28 th September 2019 and 6 th March 2020 This paper describes simple and practical ways to reef the genoa and mainsail on a GP14 dinghy. Jiffy Reefing is a very easy project if you have the gromets all ready on the Main. The reliability of a simple reefing system is imperative. Thirty to forty years ago, roller reefing was popular. Mainsail Reefing; there are 3 types. Compare ; I'm in need of a reefing line for my mainsail. In our August 2011 mainsail buyers guide, we looked at all the decision points that go into buying a mainsail, including material, construction, slides, and reefing systems.This article takes a more focused look at mainsail reefing from the perspective of professional offshore sailors who have to deal with reefing every day. Bowsprit, retractable 4.25" diameter, clear coated carbon fiber with 1:2 under-deck Harken launching system. A mainsail reefing system comprises: a drum assembly including first and second coaxial drums for collecting luff-end and leech-end reefing lines, respectively; a drive mechanism for rotating the drum assembly; and a level wind mechanism including a cam shaft configured to convert rotational motion to reciprocating motion, and first and second line guides mechanically … MAINSAIL REEFING REVIEW The predominant Wayfarer mainsail reefing system is slab reefing. The performance cruisers use systems to capture the mainsail when it drops, like the Dutchman and lazy Jacks systems. Mainsail furling systems have come on a long way. ... Main Cunningham/Reef block on reef hook for single line reefing system. Mainsail Reefing System Installation/Operating Instructions 44 James Street, Homer, N.Y. 13077 Tel: 607-749-4599 FAX: 607-749-4604 Website: www.sailcdi.com Updated December 2006. Size Selection. The reef lines pass through the cover, so you’ll need those dimensions as well. MAINSAIL Group, Inc. is located in Boston, MA and Washington, DC. Manufacturer part #: MR4-6. The Facnor Mainsail reefing system allows you to sail in complete comfort and total security. Many sailmakers put the points too low. Comments . We also supply and fit complete in mast reefing systems from Selden and Z Spar available in manual, electric or hydraulically powered systems. In addition to her jib and mainsail. The Facnor mainsail furling system makes your sailing safe and comfortable. Main boom with #1 reef stopper to port and #2 reef sheave on starboard side may also be used as a Cunningham. As the opposite of other systems, the Profurl in-boom furlers are designed also to increase boat performances by reefing fully battened mainsail with a standard roach. 2 line reefing, either from the mast or the cockpit is quick and easy to use and not prone to the jamming. FREE SHIPPING* US Continental (min order $98) International (min order $750) * Does not apply to oversized items. Catana 471 in vendita in Port Louis Maurizio. In the picture below I show the rigging of a Jiffy Reefing System. Index. 2. An overview of how the single line mainsail reefing system is setup and operates on a Pearson 31-2. AU714322B2 - Mainsail reefing system - Google Patents Mainsail reefing system Download PDF Info Publication number AU714322B2 ... reefing boom recess Prior art date 1995-09-29 Legal status (The legal status is an assumption and is not a legal conclusion. WE SHIP WORLDWIDE: More Info. As mainsails get larger, the struggle to raise, lower, reef, flake and cover them becomes Mainsail reefing is an important part of mainsail trim. With the systems described the boat can be reefed whilst at sea, and these systems represent a download Report . To “reef” a mainsail means to reduce the working surface area of the sail, so that the vessel does not heel excessively as wind strength increases. > Secure the mainsail reefing by encircling the boom. Reefing systems for trailerable sailboats typically come in two types: single-line and double-line. It marks the end of struggling to reef in rough seas; in one simple operation you will have the sail adjusted to the wind force. 610. SJ23 Tech Tip F05, (Updated 2019-07-28) B. Schimmel. When needing to reef, possibly in adverse conditions, I would suspect that getting a decent sailshape with in boom reefing would be quite demanding. The Dutchman Sail Flaking System uses vertical control lines laced through fairleads in the sail. Reefing the mainsail is like partly furling the jib when your boat has a furling jib. With more options and methods of reefing available, it can be important to pick the system that best fits your needs. Mainsail Reefing System. Each type has its advantages and disadvantages. That for me would be an issue. 2. download Report . The mainsail reefing system of the invention is a mechanical system designed to allow sailboats of any size to reef the mainsail by pulling on a single line led to the vessel's cockpit. There is much opinion about the height of the points above the boom, here is mine. The new Mainsail Reefing System by CDI is designed to be easily installed on existing boats, without costing more than the boat itself. Reefing your mainsail. The most common choice for modern yachts is slab reefing, in which there are typically three reefs that are progressively pulled down to shorten sail as the wind increases. Roller Reefing. Most yachts are fitted with one of three mainsail-furling systems: slab, in-boom and in-mast. 1. September 26, 2018 by. And so flatten a mainsail. The boom was turned with a crank to wrap the main around the boom and reduce sail. The geometry of the sail slot and cavity is vital, as is the cut and construction of the mainsail. reef point along the leach of the sail then lowered the halyard till the boom was horizontal then pulled in the reef by the luff. Unlike in-mast furling systems, with a boom furler the mainsail can still be lowered if the mechanism fails or jams. Lowering the mast in this manner is A mainsail may also be furled by a similar system, whereby the sail is furled within the mast or around a rotating boom (or around a rotating shaft within a boom). Anchor with chain 80m; Electric anchor windlass (remote also from stern) Sprayhood; Bimini; … Never winch the unit without checking for jams or snarls. A good benchmark is 1m and 2m. Jiffy Reefing System. > High resistance reefing locks for Mainsails and boat from 35′. Mainsail outhaul 12:1 internal on boom; BELOW DECK. Take in the reefing clew line, or luff cringle, via a boom winch or tackle as much as … Some systems have a furling drum, rather like those on a furling headsail, on the leading edge of the mast, from which a furling line can be led aft to a manual or electric winch in the cockpit for simplified reefing. Just lower the sail to a pre-determined mark on the halyard, tension the reefing line and trim the sail – all from the cockpit. A proper reefing system is a must for both racers and cruisers . Although more popular than ever, a furling mainsail is still not 100% standard equipment on today’s boats. Hoisting or reefing the mainsail is a simple and safe operation as the control of mainsail is performed from the safety of the cockpit thanks to the furling line. Once rolled up in the mast, it has stowed itself away. 2. 2 INDEX The reliability of a simple reefing system is imperative. FREE SHIPPING* US Continental (min order $98) International (min order $750) * Does not apply to oversized items. Mainsail Slab reefing is the most traditional & simplest form of reefing. 3. Keep all unused halyards clear of the Mainsail Reefing System and under slight tension.