Rolly Tasker - SPINNAKERS
We all know that the large, colourful sails seen on boats sailing downwind are called spinnakers, but few know where the name comes from. One story says the word is derived from the name of the first yacht to use such a sail, the "Sphinx". The sail was so much larger than any other sail previously seen that it became known as "Sphinx's acre", hence the term spinnacre or spinnaker.
Because of the sail's rounded shape and colourful material, most sails have a resemblance to a parachute and therefore are often called a "chute". In Australia, they are also often referred to as a "kite" because of the way they fly out in front of the boat.
Although some older spinnakers are of crosscut construction, most modern spinnakers use radial or tri-radial construction.
Because the spinnaker is only attached to the boat at three corners, all the stress radiates into the sail at these points. With a tri-radial sail, the stress is along the seams instead of across them, making a stronger sail and minimizing stretch and distortion.
We offer a comprehensive range of options for all of our spinnakers including sail numbers, racing box bags and spinnaker socks.
Rolly Tasker Symmetrical Spinnakers are the ideal downwind sail for the weekend sailor, long passage maker or serious racer. They are computer designed and cut, and hand finished to ensure precision shaped panels, strength, durability and ultimate performance. You can choose from our cost effective standard sail range or we can design a one-off spinnaker to suit your specific needs. The Symmetrical Spinnaker is used in conjunction with a spinnaker pole to get the most out of its design and shape. When combined with a spinnaker sock the Symmetrical Spinnaker becomes a sail that can be used by short-handed.
RTS Performance symmetrical spinnakerS
These are a full radial cut Symmetrical spinnaker ideally suited to the cruiser who is looking for durability, great value and all-round performance. They come in the famous Rolly Tasker tri-colour pattern of blue and white with a central red star and come complete with a large spinnaker bag for convenience.
ONe-OFF DESIGn symmetrical spinnakerS
Our one-off design Symmetrical Spinnakers use a multi-panel tri-radial or radial design, allowing for precise alignment of loads, while the increased number of panels enables the use of three dimensional shaping, creating the optimum flying shape with reduced seam loads. At the corners of the sail we use fanned radial patches, which minimise weight and greatly improve strength. They come standard with stainless steel rings, large sail bags and your choice of colours and designs. We can supply your new spinnaker in a comprehensive range of exciting colours and designs – check some of them out on this web site or design your own by clicking on the link “Design Your Own Spinnaker”.
For the racing yacht, also checkout our specific FULL RACE specification spinnakers.
Rolly Tasker Asymmetrical Spinnakers are easy to use and optimise sailing performance in light winds on courses from 75 to 160 degrees. They combine the characteristics of a reaching genoa with a spinnaker and therefore might fill a gap in your sail inventory. The typical characteristic is a longer luff than the leech. The sail tack will be fixed at the bow, anchor roller or bow sprite and is thereby flown without a spinnaker pole: hence they are much easier to handle than a Symmetrical Spinnaker. For this reason they are widely used on cruising boats, though they are also an important sail in a racer’s wardrobe to maximise reaching performance. When combined with a spinnaker sock the Asymmetrical Spinnaker becomes a sail that can be used by single or short-handed crews under all conditions.
RTS performance asymmetrical spinnakerS
These are a full radial cut Asymmetrical Spinnaker ideally suited to the cruiser who is looking for durability, great value and all-round performance. They come in the famous Rolly Tasker tri-colour pattern of blue and white with a central red star and come complete with a large spinnaker bag for convenience.
one-off design asymmetrical spinnakerS
Our one-off design asymmetrical spinnakers use a multi-panel tri-radial design, allowing for more precise alignment of loads, while the increased number of panels enables the use of three dimensional shaping, creating the optimum flying shape with reduced seam loads. At the corners of the sail we use fanned radial patches, which minimise weight,and increase strength. Naturally, they come standard with stainless steel rings, large sail bags and your choice of colours and designs. We can supply your new spinnaker in a comprehensive range of exciting colours and designs – check some of them out on this web site or design your own by clicking on the link “Design Your Own Spinnaker”.
SOME TECHNICAL FACTS ABOUT ASYMMETRICAL SPINNAKERS
With a luff that is longer than the leech, the asymmetrical spinnaker is designed to sail with the apparent wind on the beam of the boat rather than from directly behind, as is the case with a symmetrical spinnaker. With a round entry, the maximum beam being forward of the midpoint and a flatter exit, the Asymmetrical Spinnaker directs the power forward instead of sideways – hence creating boat speed rather than heeling.
At Rolly Tasker Sails we design your asymmetrical spinnaker according to the characteristics of your boat and the conditions under which it sails. A very fast racer uses a rather flat sail with smaller shoulders for high speed and tight apparent wind angels. A cruiser, or for a boat that doesn’t build that much apparent wind, would use a fuller sail with larger shoulders and wider mid girth, which in turn is more forgiving, allowing the luff to curl quite a bit before collapsing.
In addition to taking into account your halyard exit to deck and J measurements, our Asymmetrical Spinnakers are designed around a measurement of sail midgirth as a % of footgirth and typically range from around 70% for high speed to 90% for ultimate cruising.
A must have for all short handed or cruising sailors.
Our Rolly Tasker Sails Spinnaker Socks are designed to enhance your enjoyment of sailing by making the lowering of either a Symmetrical or Asymmetrical Spinnaker as fast, easy and safe as it can be. While ideal for the cruising sailor, a Spinnaker Sock is also a must for the short-handed yachtie.
Its features include:
Separate internal rope compartment to avoid tangles (one for the spinnaker and one for the up/downhaul lines);
A coloured full length stripe, so as to check that the sock is not twisted;
A large low friction mouth so that it can be pulled over the shoulders of the spinnaker with ease;
Integrated pulleys for up/down;
Spinnaker attachment strop to suit all spinnakers.
what length do i need?
We recommend that the sock should be approximately 1 metre shorter than the leech on a Symmetrical Spinnaker and approximately the same length as the leech on an Asymmetrical Spinnaker.
On order we can provide you with a full set of instructions to make your spinnaker sailing a breeze!
We also have a quick demonstration video availiable on request. Just email us. We are also here to help you with any questions you might have after ordering.
If your looking to use a furling unit with your spinnaker, we suggest a top down furler as described below.
Ronstan Furling Systems