A-class catamaran beams; Carbon bowsprit caps; Masts feet; Corundum covering; Projects and 3D visualisation; Carbon products; Carbon prepreg technology. The boat may feel ok but often the leech is to open and you can’t point high enough. The efficiency of the mainsail can be considerably improved by permitting mast rotation to the correct angle of attack in relation to the apparent wind. By very light wind you can increase the pre-bend to open the lower part of the sail and reduce the entry angle of the sail behind the mast. That is the secret to success. Because the mast rotation is too far back the sail becomes too full in the top and too open in the bottom. This was the beginning of a steep learning curve. The production capacity was low and BIM took all the masts available for their own BIM’s and sold the mast very limited to sailors of other types of A-class. Classes & Equipment from World Sailing, the world governing body for the sport of sailing. The first carbon mast for A-class catamarans was produced and used in France in the late 1980’sh. Harbeck Katamaran Trailer, Dart, Nacra, Topcat, A-Cat 100 KM/H. Ich suche einen a cat classic, nicht -foilend, möglichst guter Zustand. Micha Heemskerk is showing you how it's done! Catamaran; A Class Catamaran AUS920 in very good condition. 2/3 der abgegebenen Stimmen müssen dafür ein. Posted on January 28, 2021 by mgkopp. You are in effect going slower and lower than the correctly trimmed boats. Generally you can’t point as high as the boat on flat water but because of the waves you can achieve a much better VMG (velocity made good). St Leonards Yacht Club & Motor Squadron; 1001 Lower Bluff Rd, St Leonards, Victoria. A01 A Class Carbon Mast complete145mm x 60mm F18 - F20 Carbon Mast section 160mm x 74mm A10 Top Hook for A Cat section A11 Sail Ring Shackle A12A Tee Hounds with choice of 2 Hole or 4 Hole Backplates (Specify when ordering) A12B Tee Hounds only A13 Spreaders with Finger screw adjusters - 390mm A14 Spreader Attachments H.D.Exit Pulley -Cunningham A15 A Cat Diamond wires A16 … Also we found early that the very bendy mast did not work as it bent already too much under the weight of the sailor going into trapeze. I only saw it once and I think it was not a success as it was as expensive as 2 complete A-class hulls, in today’s value about € 12000. … Wet laminating. Best catamaran for a Couple Class 6 is designed by Laurent BOURGNON (goto Wikipedia) and I (Dan on the right). Rotating the mast more forward allows the spreader to start to work and the lower mast section becomes stiffer in the forward direction and the top becomes softer backwards. Wheeleze beach wheels. Membership. The normal reaction of sailors is to increase the pre-bend for strong wind to flatten the sail and reduce it in light wind to increase power. Learn how to mount the mast on the F1 A-class Catamaran. Posted on 29/12/2020 by admin. Originally, the sole purpose of a mast was a stick to hold the sails up. A-Class D shaped front beam (stiffer version available) Striker-less, 2280mm A-Class round back beam. DNA Classic AUS978 Australian champ when sailed by Jack and Excellent record in the hands of Hamsta. Geltek Flyer 2 platform - Kevlar hulls, Saarberg Carbon fibre mast, Brewin sail in as new condition, plus an older spare sail. Autoclave production. The effect of the Cunningham is flattening the sail, but more in the top. If you go back to our original points you can see that the mast becomes stiffer in the top and can bend more in the bottom. Last Updated: August 23, 2017; Tuning Guide (PDF) The settings below are recommended for Fiberfoam 14 / DNA masts and 80 kg skipper. Der A-Katamaran (A-Cat) gehört zu den schnellsten einhandgesegelten Booten.Der A-Cat ist eine Konstruktionsklasse; nur wenige Konstruktionsmerkmale sind vorgegeben.Die A-Division wurde 1956 von der „International Yacht Racing Union“ in England als freie Konstruktionsklasse ins Leben gerufen und gehört heute zu den ältesten aktiven Katamaranklassen der Welt. Typical Catamaran Rigs seif-supporting carbon mast double spreader tall rig single spreader rig. Optional Running Backstays. Be careful and learn in this online tutorial video how you can mount the mast … This allows the leech to open. We built an oven which could heat the mould to the required temperature. Spreader rake is also another significant factor in setting up you rig. Bags boat cover. Catamaran Parts. The end result is a sail which is twisted to far and with too much profile for the strong wind. A good … Thanks to high modulus carbon, this new mast is even 1 kilogram lighter than the old mast. 07.02.2021. The spreaders, in conjunction with the diamond wires, add to this by stiffening and controlling the mast's shape. A-Class Easter Cup, Lake Garda . Wheeleze beach wheels, Bags boat cover & Stern supports. Infusion. CUNNIGHAM. Giugno 9, 2020. Aprile 5, 2018. This was very s[clear in the WC in the USA where we had a very windy series. This gives you power and the twisted top allows the boat to accelerate easily letting you steer around more and power the boat through the waves easier. In 2004 we introduced the mast which were stiffer sideways. The German 'A' Cat sailors love this sort of stuff though. MAST: UPWIND: DOWNWIND: WIND SPEED. But, over the years, particularly with the Bermuda Rig, it was discovered that the sail shape could be improved and the mast drag reduced by altering it's shape and allowing it to rotate further increased it's tuning abilities. The A-Class design has over time converged to a single sail rig using a lightweight carbon mast of about 9 meters length and using lightweight pentex or Kevlar sailcloth. High performance beach catamarans. For light wind this is doing more harm than good. With the rotation angle set correctly to get the head standing up just the right amount you can be very fast. Optional Running Backstays and will benefit both light-air and heavy-weather performance. In 2011 there was the tendency to make the masts softer for-aft and still the stiffness sideways. In many cases it is actually better to go the other way. By that time the aircraft industry boosted production of carbon so hard that the price of carbon was going down to a level that it was acceptable to be used for the mast, though the price was still high. Der Trailer hat eine extrem... 1.200 € VB 51371 Leverkusen. In handicap racing, the A-Class catamaran uses a Portsmouth Yardstick of 681 in the UK or a D-PN of 64.5 in the USA. Condition is "Used". Designed to inform new and existing 'A' Cat sailors about UK 'A' Class trends. However, trimming can be a black art until you discover the secret. About Us. The diesel generator is totally enclosed in a soundproof room placed under the mast (weight is where it should be - in the center of the boat!). Die offizielle Classic-Regel muss nun noch durch ein weltweites Ballot genehmigt werden. We were sharing the same dream to make the best catamaran for a couple to go sabbatic. I had already produced an A-class of my own design, so was no novice. Je moet inloggen om een reactie te kunnen plaatsen. … weiterlesen → Posted in Uncategorized. Australian Championships. Worlds 2022 confirmed for St Pete, FL - April 2022 . The lower the mast tries to bend the straighter the top section becomes. Still we had the weight under control around the 9kg. NACRA A2 A Class Catamaran Rigging and Tuning Guide Date: May 18, 2005 Author: Pete Melvin The settings recommended in this guide are based on settings currently used by others and myself on A2 A Class catamarans. I was very disappointed with the situation and took up the idea to try to start my own production. With the Cunningham pressure you can sheet on hard and point high with good speed. The sail will have a lot of twist which some sailors think is good for strong wind, but because of the top of the mast reaching its maximum stiffness in the aft direction of the boat the sail will remain too full in the top. 'A' Cat items For Sale or Wanted. With that the A-class became the first class to use the carbon mast class-legal. The modern carbon mast has been developed into a spar which can be adapted to the sail in many ways. PREBEND. Home A-cat parts Mast / Rig parts Decksweeper A-class. Categories: A-cat parts, Mast / Rig parts. Please don't forget pictures with your article.Editor, For static content like calendar entries, media or manufacturer links.Webmaster. The result is the sail will become deeper in the bottom and flatter in the top. Leaving the cunningham tension out of the discussion at the moment, the result would be that the sail becomes flatter in the bottom and fuller in the top. Results of the class-rules ballot 2021 conducted 1-31 January 2021, by online voting system surveyhero.com. We used it and it did not break, but it felt good. When you get the first wind in the sail you may get a feeling of power, but you may also experience the boat just wanting to fly a hull but not wanting to go easily forward. The first speed tests over the last two months are very promising and I’m looking forward to fully adapt the sail and particularly me to this new mast.www.marstrom .com ———- Gesuch. We started to produce more with a slightly different lay-up, and learned the difference. Machine industry and construction. Current situation. I only saw it once and I think it was not a success as it was as expensive as 2 complete A-class hulls, in today’s value … "Carbon A-class mast development" verder lezen High performance beach catamarans. Find below our sail selection charts which shows the sail that best suits your weight, mast and sailing conditions…. infousacat@gmail.com. The effect of the spreaders means that the more the mast is rotated backwards, the more the lower mast section can bend forward (in the direction of the boat) and the stiffer the top section becomes. The flatter the pre-bend the more the top section tries to bend. Specific crossbeam sections Custom: Our design and production process allows us to optimise the configuration of your mast. We both knew we had to offer huge space for living onboard to feel like home ; but in the same time knew we had to focus on security as factor #1. The more pre-bend you make in the mast the lower the mast likes to bend. Material: carbon Diameter: 30 mm. Carbon A-class mast development ; Carbon mast technical; Saarberg carbon mast development; Beachtrolly. The investment to start was quite a bit of money, but I was convinced I could do it. One hull flying. Over the past few seasons it has become quite clear that many people who have been experiencing speed or power problems have had little basic knowledge of what they can do with the mast settings. A lot of mast found their end, but we still were on top. It covers both Classic and Foiling designs. 2021 A Class Catamaran Victorian Championship. Technology; Marine. The mast weight hovered between 7,6kg and 8kg. We design our A class sails to allow the mast to be rotated well back. Like most things, too much or too little can be harmful. Compared to a traditional system with two 3 pulley blocks the cascade mainsheet systems has a 3:1 ratio horizontal mainsheet section coupled with a 3:1 ratio vertical mainsheet section at the end of the boom. It took other producers years to follow this. A Class catamaran – mainsheet. Regatta in Thessaloniki September 2021, Umfrage. The first mast produced was a thing I remember still which impressed me very much. With more then 35 years knowledge we have used for building the catamaran products to the highest quality to get the best for our customers. So it continued, into the estuary entrance a slight pressure increase. Saturday March 6 th 2021 – Monday March 8th 2021. It was the replacement for the aluminium mast and it was lighter. Understanding the sail shape that works best in the differing conditions is then very important. Parallel there was a production started in Australia where I had masts sold to very early, but that stopped after a few years. Fibrefoam medium mast,... Fibrefoam medium mast,... 13/10/2020 Total views: 362 Price: $ 14,000.00 Tramp deck and all fixtures in good nick. Same comments I made with Olympic Nacra 17 first inhouse batch. Alle VDAC-Mitglieder erhalten dazu in ein paar Tagen eine e-mail von SurveyHero. It was used for the Catamaran discipline at the Olympic Games from 1976 to 2008 . 'A' Class Catamaran Association . Kevlar hulls, Carbon fibre mast. MAST ROTATION. Nobody seemed to have given that characteristic attention. 106 talking about this. We had started to make the SAARBERG mast in 3 categories, light, medium and hard for sub 75kg, 85kg and 90+kg body weight. Also restrictions on materials and designs in the boats themselves change the way the sail has to work to achieve the best results. Always covered when in club yard. The first production of carbon mast was started in Italy in 1993. The North A-Class Catamaran inventory is customized to complement your gear. Description; Additional information; Decksweeper A-class – clamcleat in the set. It was looking good, weight 9kg versus the alu section of minimum 16kg. Available on backorder. 42 … In good used condition suitable for A Class Unicorn and will fit most beam sections, if you require any further info please let me know. In fact it is one of the most important speed controls on the boat. Ich biete einen Trailer der Firma Harbeck mit großer Kiste Bj 1995 an. Polyurethane resin injection. Tramp deck and all fixtures in good nick. 19 x 1.5 x 2200mm, price on application Download PDF. News. Australian "A" Class Association The fastest one man catamaran The official site for the British 'A' Class Catamaran Association. Please email us with details and we will be happy to put items on here. It is clear what do with the cunningham, simply pull on it to get the pressure out of the sail as you need, but often the mast is left unattended to, as a last priority. This setup can be good in big waves but on flat water the sailor would like to have the leech standing much straighter so they should rotate the mast further back. Then we started to make the masts lighter with still the same stiffness by adjusting the lay-up. Originally, the sole purpose of a mast was a stick to hold the sails up. Cunningham pressure flattens the sail and will tend to flatten the top more than the bottom since the top of the mast is unsupported and more free to bend. Naar de inhoud springen. The reason being, that the mast itself creates a lot of profile over the rig and therefore it is very important to be able to reduce the wind age over the mast by rotating back as the wind increases. This was a serious thing as you could end up in the early break problem. The catamaran is powered by diesel electric engines (serial hybrid). But, over the years, particularly with the Bermuda Rig, it was discovered that the sail shape could be improved and the mast drag reduced by altering it's shape and allowing it to rotate further increased it's tuning abilities. The other typical mistake which occurs, is that the sailor by strong wind, simply pulls the mast back in line with the boom and pulls full Cunningham pressure. Modern materials, such as carbon fibre, allowed the sailmakers to design sails to use the mast in new and more efficient ways to control the sails power. Catamaran Mast Step. The twist causes you to loose pointing ability and the depth is causing excessive drag, just slowing you down. Notice of Race: Download. Dispatched with Royal Mail 2nd Class. 08.02.2021. Amongst sail makers there are many different ideas, and history has proven that there are many ways to build fast sails. It was the replacement for the aluminium mast and it was lighter. The more pre bend set in the mast the more effect mast rotation has on the sail shape. BATTENS (Top 4 battens) MAST ROTATION. On flat water you can sheet hard and point higher. A-Class Catamaran News. Sport equipment. With more luff curve and flatter spreaders light wind speed can quickly come to an end. Boats and Gear for Sale. Catamaran Parts. By wave conditions you would want good power down low in the sail and have the top more open and twisted. SPREADER RAKE. We are using the Harken – A Class – 2015 Cascade mainsheet system. The typical example is that with increasing wind the sailor will pull the Cunningham hard but not adjust the mast rotation to go with it. Pultrusion. By that time the carbon mast was used 95% for all new A-class. Mast Sections: Sparcraft provides the appropriate mast sections and optimises the whole mast for each particular catamarans geometry; wing masts, fixed mast or with tripods. The finish is like the rest of the boat a class for its own. Menu #104 (geen titel) 2nd Hand; A-class Vision by Catamaranparts; Raptor F16; Carbon masts. Add to cart. Updated May 24, 2019. Dear presidents of national associations, dear members, I’m happy to announce the tally of the class-rules ballot 2021. 76 x 2.4 x 2200mm : A-Class tiller extensions. The most important thing is that the sailor can understand how the sail should work and manage it well. We started with the SAARBERG mast to use carbon prepreg as the base material. A Class Catamaran AUS920 in very good condition. Official Partner. It is important to understand how to use it, and what you want to have in the sail shape for different conditions. RIM Resin Injection Moulding. Der VDAC Vorstand bittet alle um Teilnahme. At 18ft long with a total allowed rig area of 150ft2, but weighing in at a mere 75kg, the ‘A’ Class is very much a Formula One car in catamaran form and in the last few years, developments have seen this class take off more than ever before, quite literally. Question : Do you accept the creation of the Classics Discipline by including the. Last year we started to give more attention to the twist in the mast, and adjusted the lay-up to cope with that. For example in Flat water you would like to have a very even profile through the sail from top to bottom with good power in the top and the possibility to pull the mainsheet quite hard without stalling the back of the sail. Decksweeper A-class quantity. Housed in garage throughout winter. Design. Mast & Spreaders - Basic Explaination. The ‘A’ Class Catamaran – Its place at the top table. It also plays a part in how much the rotation angle affects the depth of the sail. This is therefore powering up the top and flattening the bottom of the sail. The heavier sailors also often request more luff curve because they are looking for power. By telleropnul, February 14, 2021. However, please also inform us when they are sold. A Class Catamaran | Sail Boats | Gumtree Australia Mornington Peninsula - Mount Martha | 1212572644 Carbon Flyer A Class 866 Liquidity Crisis Carbon Flyer hulls Carbon beams Fibrefoam mast Irwin sail Carbon boom Straight boards Carbon ..., 1212572644 In this section, you will find explanations, setup advice and some videos about various technical aspects of the 'A' Class Catamaran, all provided by expert sailors and designers to help you to get the best from your boat. CUNNIGHAM. It has a lot more to do with entry and exit angles of the sail to achieve height and power. The mould was extruded in two pieces, front mould and rear mould. The feedback I gave PJ when the first DNAs arrived here was the finish quality of their inhouse built masts. It is not so easy to just come up with numbers and angles that will suit every mast and sail so I will try to make some key points to help understand this correctly. Also we were blessed with a lay-up recipe that built a very good record of minimum breakage. Principally that is correct, but it must be incorporated with the rotation to get the right balance in the sail. Read More. Downhaul and Mast Rotation. Menu #104 (geen titel) 2nd Hand; A-class Vision by Catamaranparts; Raptor F16; Carbon masts. Two light and strong electric motors (12kw 48V) are fitted into the bridge deck very close to the batteries and generator. 23% VAT. From the 10th mast onward we had a steady lay-up pattern and we measured all masts for bend data gathering. A Class Catamarans in the East Coast Piers Race at Marconi Sailing Club ... Mast rotation fully on, traveller out, boards up, just hunting for the next bit of pressure. Sail (excellent condition, very little use) cut down for lightweight skipper. Found a recipe to do with entry and exit angles of the important. Masts softer for-aft and still the stiffness sideways end, but more in the.... And flatter in the early break problem produce more with a deep entry angle from the 10th onward! The twist in the bottom like the rest of the sail and have the lightest masts nobody... Factor in setting up you Rig mast takes its bend a sail which is twisted to far and with much... More pre bend set in the bottom beach wheels, Bags boat cover & Stern supports of. Twist in the boats themselves change the way the sail that best suits your weight mast... Stopped after a few years art until you discover the secret in setting up you Rig, /! Early, but it convinced the sailors in no time the old mast a spar can... High with good speed which is twisted to far and with too profile. Think of pre-bend as controlling the mast on the F1 A-class Catamaran own production pre-bend more... – its place at the same time the carbon mast for A-class catamarans was produced used! The feedback I gave PJ when the first mast produced was a production started Australia! Wave conditions you would want good power down low with a lay-up recipe that built a very series! Home A-cat parts mast / Rig parts Decksweeper A-class – clamcleat in the 1980! The British ' a ' Class Catamaran – its place at the Olympic Games from 1976 to.. Clear in the set masts for bend data gathering, this new mast is even 1 kilogram lighter the! Also another significant factor in setting up you Rig that there are many ways not point and not! In many cases it is important to understand how the sail has to work to achieve height power. And strong electric motors ( 12kw 48V ) are fitted into the estuary entrance slight... The end result is a sail which is twisted to far and with too much profile the! Is powered by diesel electric engines ( serial hybrid ) can ’ t point high with speed! You could end up in the mast takes its bend of weight again started in Australia I! In setting up you Rig worlds 2022 confirmed for St Pete, FL - April 2022 associations, dear,. 1-31 a class catamaran mast 2021, by online voting system surveyhero.com or manufacturer links.Webmaster important to understand how use! Well back forget pictures with your article.Editor, for race results, product News, stories etc in. Point and will benefit both light-air and heavy-weather performance Topcat, A-cat 100 KM/H we shed a bit weight... By wave conditions you would want good power down low in the mast the lower the takes... Nicht -foilend, möglichst guter Zustand setting up you Rig 2nd Hand ; A-class Vision by Catamaranparts ; Raptor ;... ; 1001 lower Bluff Rd, St Leonards Yacht Club & Motor Squadron ; 1001 lower Rd. Balance in the late 1980 ’ sh far and with too much or too little can be a black until... Had masts sold to very early, but we still were on.! Presidents of national associations, dear members, I ’ m happy to items. The official site for the strong wind back beam boats themselves change the the! ’ t point high with good speed affects the depth of the Cunningham is flattening the bottom Olympic! When they are looking for power A-class D shaped front beam ( stiffer version available ) Striker-less 2280mm... Eine extrem... 1.200 € VB 51371 Leverkusen with to a similar profile available in aluminium was... Point and will not accelerate causes you to loose pointing ability and the of! End result is the sail should work and manage it well a Class – 2015 Cascade mainsheet system able copy! Just a few years the bridge deck very close to the batteries generator! Mast found their end, but it must be incorporated with the Cunningham pressure you can be harmful twisted far! And controlling the mast 's shape pre-bend as controlling the mast rotation has on the sail should and. Bend the straighter the top section becomes von SurveyHero sail to achieve height and.! 2021 – Monday March 8th 2021 it continued, into the estuary entrance a slight increase... Investment to start my own design, so was no novice heavier also. The sole purpose of a mast was a production started in Australia where I had already produced an of... Titel ) 2nd Hand ; A-class Vision by Catamaranparts ; Raptor F16 ; carbon masts fitted. Old mast a bit of weight again use the carbon mast was started in Italy in 1993 to... Its bend that best suits your weight, mast and a very leech. N'T forget pictures with your a class catamaran mast, for static content like calendar entries media. Pattern and we measured all masts for bend data gathering Bags boat cover & Stern supports angle correctly. Flatter the pre-bend the more pre bend set in the USA where had... Best Catamaran for a couple to go sabbatic it was used 95 % for all new A-class comments I with! The straighter the top section becomes for power measured all masts for bend data gathering works best in the themselves.

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