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RMR-Reefing masts
RMR reef masts are constantly updated and with their proven drive technology are particularly designed for sailors who need to reef the mainsail simply and safely when sailing with a small crew.
The RMR system makes it easier to handle both large and small yachts. Reefing the mainsail to the required size can be done by one person from the safety of the cockpit.
The drive for the luff rod is provided by a virtually maintenance-free hydraulic drive with self-braking worm gear, spiral bevel gears and helical drive gears in combination with a robust Danfoss hydraulic motor.
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Rondal constantly strives to optimise style and structural soundness. The combination of engineering and style found in our winch bases, mast/spreader connections, spreader lights and so on reflect our attention to detail. Masthead, gooseneck and many other components are designed, cut and milled with the aid of computer assisted machinery to ensure accuracy and cost-effective production. To counteract any problems associated with corrosion, Rondal welds all aluminium tangs, brackets and other fittings. When stainless parts are fitted, maximum effort is made to avoid corrosion in the future. The mastheels are constructed from plate material, either to fit in a standard Rondal maststep or on a Rondal hydraulic mastjack. All masts are completed with a two component polyurethane paint finish. Clients can choose almost every possible colour.
Made of Alustar aluminium plate
In order to bring down the weight and the centre of gravity of our aluminium masts, Rondal developed the alternative method by utilizing ALUSTAR aluminium plate material for the construction of masts.
These masts are engineered and produced to just cover the required Moments of Inertia over the full length of the mast in both longitudinal and transversal direction.
When decided to request price information please send a deck- and sailplan. With this information we can inform you better.
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For dinghies and small cruisers
LEASURE/CLUBS MASTS
untappered tubes, outer yard ropes.
Delivered with tenon heel plug.
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For dinghies and small cruisers
REGATA MASTS
Tappered tube, if authorized by the class rules. Inner yard ropes
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C-Tech manufactures masts for sports boats in:
- Round section, suitable for boats like Thompson 590
- Oval section, suitable for larger size masts
Construction techniques
- available in standard, intermediate or high modulus carbon fiber
- reinforcing for fittings can be built into laminate
- shrink-wrapped and heat cured
- black carbon finish or painted
- can be built to any size specifications
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The demand for lighter masts (and booms) shows no sign of abating as owners request ever-lighter displacement cruising yachts. Anticipating this trend, Rondal became involved in the carbon fibre field at an early stage. Assisted by the Dutch Aerospace Laboratory at the design stage, it is believed that Rondal has chosen the best way of production.
Characteristic for the Rondal carbon fibre mast is that, whatever the length, the mast is built in one piece. Building the mast in one piece has the huge advantage that the fibres in the 0° layers run from top to bottom without any interruption in the fibres. All compression forces can be guided safely through the laminate.
When decided to request price information please send a deck- and sailplan. With this information we can inform you better.
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Extruded aluminium is an excellent material for making masts. This is where Selden has earned its reputation as world leader in mast making. Today Selden offers a full range of masts and rig equipment in both aluminium and carbon including booms, spinnaker poles, Rodkicker rigid vangs, furling systems and rig linings. All rigs are custom-made, through every calculation and detail, lor each individual boat. We know how much depends on the rig, and there is no room for compromise.
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It's no coincidence that carbon fibre is used in aeroplanes. Carbon composite combines stiffness and strength with low weight. Selden low-weight carbon spars have accentuated longitudinal stiffness. This means that forestay tension can be substantially increased. All experienced racing sailors know what this means in terms of increased performance. The combination of greater stiffness and reduced weight will bring you beyond the speed limits.
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A Seldén furling mast lets you operate your mainsail from the cockpit, simply ans easily. Its unique features for reducing friction and initial sail resistance make furling and reefing child's play. And it also makes sailing safer and far easier for you and your crew.
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PERFORMANCE is a range specifically designed to suit the needs of the performed racing or cruising/racing riggings.
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The Sparcraft Custom DPt ensures the interface between the designer, the manufacturer and the customer, by a scrupulous following of the terms of the contract.
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Carbon composites are known for their:
High fatigue tolerance
Stability under environmental exposure
Exceptional strength to weight
All these features make carbon composites attractive not just for the construction of mast tubes and fittings, but also for standing rigging.
Composite Rigging installed the first full set of Element C6 carbon composite rigging on the Farr 52 Georgia in Auckland in March 2003. This set includes all shrouds, jumpers, running backstays and headstay. These pieces now have over five years of service without incident.
Since that time EC6 has been installed on a variety of yachts ranging from 30’ sport boats to 50+ meter Megayachts.
The first set of EC6+ continuous rigging was installed on the Farr 60 Numbers in the spring of 2005. More recently the Open 60 Paprec-Virbac won the Barcelona doubled handed nonstop round the world race with EC6+ carbon shrouds. Post-race testing confirmed that there was no strength degradation. The rigging has been refurbished and reinstalled for the next event.
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OCEAN is a full range of standard and furling masts to suit all production cruising yachts from coastal cruisers to blue water offshore passage makers.
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Multihull sailboat masts experience much more load and acceleration than monohulls and require careful planning and engineering. SPARCRAFT%u2018s range of multihull spars is especially designed to meet the ever-changing nature of catamaran design requirements.
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Further a great experience in manufacturing racing mast equipment, Sparcraft offers products adapted to one design boat performances and racing rules .
Rigging wise, Sparcraft has become for a long time the favourite partner of shipyards, racers, and architects thanks to a permanent dialog with different protagonists of each class. The one design requires the biggest reactivity and rigour in terms of conception and manufacturing in order to guarantee the performance, the equity of the products and the control of cost.
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Established in 2004, our One Design business is dedicated to supplying production rigs, from high performance dinghies up to 60 foot performance cruisers. We apply the lessons learned at the grand prix end of the spectrum to create superb high performing consistent production rigs. Our tools are scientific analysis, sound knowledge and a passion for high performance yachting.
Southern Spars One Design is committed to producing high performance carbon rigs with an emphasis on value for money - spending money where it counts. The experience from 15 years of building the most successful custom carbon rigs in the world is being used in the manufacture and design of production One Design rigs.
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Southern Spars has established its place as a world leader in the design, construction, installation and servicing of carbon-fibre masts, booms, composite components and EC6 rigging. Its rigs power a wide range of yachts, from one-design to grand prix racing, cruising yachts and superyachts.
Innovation, quality and an insatiable desire to produce what the customer requires runs through the company’s culture. These qualities have contributed to producing product for numerous race victories, including the Volvo Ocean Race, Vendee Globe, Sydney-Hobart, plus supplying rigs to some of the hottest one-design classes. The same design expertise, manufacturing methods, materials and components utilised on these racing rigs are applied to every rig built by Southern.
Southern’s operations extend to four corners of the world, with centres in New Zealand, USA, France, and South Africa
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Hand operated SPARCRAFT furling masts use exclusively furling systems equipped with endless screws. This system is the only one allowing for a safe guidance of the furling control while avoiding overfurling, and also it is the only one which may be operated by a single person ( two hands control).
The sections range from 4,9 kg/ml to 17,6 kg/ml and are a perfect alternative to the traditional SPARCRAFT profiles. It is now possible to offer to the yards, professionals or private customers, either a furling or a traditional mast with the same mast base reference and the same running and standing riggings.
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Hall seamless carbon spars are the perfect complement to the high-performance cruising yacht. The light weight means less pitching and motion in a seaway. It also gives the designer flexibility to put weight into the interior instead of the keel (righting moment).
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Hall seamless carbon-fiber masts have no peer in the combination of light weight, stiffness, and the ability to tune easily for changing conditions. Hall is the choice of the winning Cup crew in the last two events.
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Hall seamless carbon-fiber spars are light and strong, and tested around the world on racing boats from Cup racers, Volvo 70s, TP52s to J24s.
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SPARS, POLES & TUBES
We have amassed a broad selection of mandrels over the years and can provide spinnaker poles, bow sprit tubes and whisker poles for just about any boat from 14 to 90 feet.
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Two ranges of masts of cruisings: Z-SPARS Silhouette and Z-SPARS Furlers, results of a vast investigation near the customers which were led then put to the point by the team of Z-Diffusion.
While treating it in an industrial way, we privileged the quality of the production, instituting in our factories the Japanese principles, namely: "quality circle and another motivation of the personnel".
Guarantee of a product of quality, each mast is identified by the personal code of the assembler who carried it out.
All these profiles are equipped with exclusivenesses "Z":
- head of mast with hat with integrated anchoring (model deposited),
- fitting of spreader with integrated anchoring (model deposited),
- possibility of storing its spinnaker pole on the mast.
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All Sparcraft boom sections are available for furling masts. Outhaul cars are mounted in or on top using tracks.
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Whisker poles are used to "wing out" the jib when sailing downwind. Sailors who have experienced downwind sailing without one can appreciate the value of being able to stabilize the jib, enabling the sail to work more efficiently.
Forespar® manufactures the finest and most complete line of Whisker Poles in the world. All Whisker Poles are constructed of high strength anodized aluminum tubing, and both telescoping and fixed-length models are available. Two styles of telescoping poles are offered - the Twist-Lock style and the Line-Control style.
Where wind conditions tend to be gusty, the double latch option is recommended to avoid accidental detachmanet of the sheet from the pole end (Twist-Lock style poles).
The table below is meant to be used as a general guidline for selecting the ptoper whisker pole. Shown are pole recommendations relative to the following three variables: Boat Length, Sail Choice, and Wind Conditions.
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Selden aluminium spinnaker poles give you fast and safe spinnaker handling. All the fittings have well-rounded edges to prevent personal injury and damage to equipment. The extrusions are lightweight and very durable, and are fitted with pole savers to shield the pole against damage from forestay and shrouds.
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We have developed our own computer controlled manufacturing method in which prepreg (pre-impregnated) tows are wound onto a mandrel (cylinder) prior to oven curing. This method enables us to exercise full control over every stage of the manufacturing process and guarantee products of consistently high quality. One of the big advantages of this Selden production method is that it enables us to achieve sufficient durability in the areas subject to the greatest loads and wear.
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