AC-K z19 | three cam SLALOM
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POINT-7 AC-K 2019 - THREE CAM SLALOM
Designed for: Slalom speed seekers, who are looking for an easier race cambered sail.
Easier to jibe and water start against a full race sail. If you are still looking to be a national champion, with the AC-K there is no need to look for a full race sail to win, as all the race details are integrated with quality. You can fight for the top speed on the water for hours without having to use the energy of a full race sail.
Simply all about speed
Medium sized luff pocket
Sweet smooth rotating 3-cam set-up
low-end power to get planing nice and early
High-speed powerhouse that is easy to handle
Sits ridiculously light in your hands
Incredibly fast and light handling sail to use
The faster you sail, the lighter the AC-K’s handling
Winner of many national slalom championships in different categories
The tests on magazines say: Test Winner in Planche mag and Wind Mag. 10+ in speed and no other sail to match its performance. Windsurf UK ‘The AC-K is simply all about speed – the reward awaiting and requiring little technical input from the rider to access. It is highly addictive; you have been warned!
Its character: Take all the goodies from a full-on competition slalom sail, put them into a manageable package and you’ve got the AC-K. Featuring a medium sized luff pocket, a sweet smooth rotating 3-cam set-up combined with a lot of low-end power to get planing nice and early. The AC-K is a high-speed powerhouse that is easy to handle and sits ridiculously light in your hands, keeping the board at a steady hover above the water to give you the best possible control and speed out of your kit. The AC-K is an incredibly fast and light handling sail to use, flattering even the nervous rider with a blistering performance. In light marginal winds, the high skin tension and shallow-draft combination does mean that the AC-K will leave the passive sailor wanting, when others in the group have long since pumped their way onto the plane. An experienced sailor will work around this and counter any loss of direct feedback with good technique. Instead, take the AC-K out in comfortably powered conditions and you instantly understand its qualities – it is simply all about speed, and makes going fast easy! Let the pressure build steadily, lock your stance in place, hold on and let the magic happen. Slicing through the air, it is effortless to cover ground on and whilst rapid on all points of sail, seemed to point beautifully close to the wind. The center of effort is low and quite far back, focused around the rider and providing feedback through both hands. It is just so balanced and requires little technical input or energy expenditure from the pilot, enabling them to prolong their drag-racing sessions. The faster you sail, the lighter the AC-K’s handling, which is also very apparent in transition, thereby encouraging you to enter and maintain your speed throughout
On the Water AC-K: It’s not about freeriding, it’s nothing less than pure acceleration, speed and control. This is what is experienced as soon as you close the gap of the AC-K. The power is balanced between both arms and the sail keeps accelerating without having to pull or work with your arms. Just relax them and let your body weight sit comfortable on the balanced profile from the sail. The light feels and easy rotation of the sail, will let you enjoy and execute perfect fast jibing without having to lose energy and power. As the wind picks up the sail becomes lighter, more fun and will not demand to switch to a smaller sail so easily.
Race Results: Winner of many national slalom championships in different categories.
Developed and designed by: The Point-7 Black Team. A team of professional sailors and designers who have proved themselves by designing the winning sail for the World Champion in the PWA Slalom World Tour.
Development Target: The target is done by comparing the differences between the AC-K and AC-One. Reducing the differences in terms of performance, keeping in mind that it needs to stay a user-friendly sail especially on the water, when rotating the sail after the jibe, and keeping a high speed with a lighter feel in the hands. All this whilst still allowing the rider to save more energy, allowing you to stay on the water all day.
Outline: A real slalom sail figure. The base allows you to close the gap on your slalom or free race board as with any racing sail. A negative leach to allow extra speed and acceleration whilst keeping a light feeling on the back hand. The top of the sail has a smaller head for more stability in stronger wind. The right mix between low and high aspect ratio duties.
Battens: 7 tubular battens to follow the pure slalom foil profile from the sail. Each batten exactly copies the set-up of our AC-One racing sail.
Eyelets: One eyelet, one position. This is the concept. We have worked on the leach to the millimeter, and the eyelet positioning is extremely important to make sure the leach gets the right tension. The eyelet it’s in the sweet spot, and that’s where it must be for the best performance.
Profile: For 2018 we have brought an increase of profile in the front to increase the drive for earlier planing and acceleration in lighter winds. The drive is fundamental for carving the board better in the jibes. A deep front profile allows stability in stronger wind, therefore increasing comfort and control.
Foil: The front profile, due to its deeper profile set by the 3 cams, allows an existing smooth and stable entry for the wind to sit comfortably, and give the stability and pressure which transforms into drive and power. The wind swiftly moves to give power exactly where the stance of our body is comfortably centered on the board, and releases quickly and smoothly through the back of the sail, to allow light back hand pressure for pushing on the fin. As the wind increases, the sail will automatically self-adjust its power, thanks to the S-Shaping, along the whole middle upper leach opening.
Cut out: A medium size cut-out is introduced to allow a comfortable S-shaping release: Not as big as a race sail which would lose power in light-wind, but big enough to have the board to rail comfortably and allow the wind and speed to increase through the foil as the wind picks up. This results in giving us the chance to increase our water performance without having to act with power and energy. The shape of the cut out comfortably welcomes the back end of the boom.
Body Material: Mostly assembled by the 4mil Anti UV-Black Laminate. Highly responsive and reactive for world champion performance. 5mil Anti UV-Black X-ply base panel for protection from accidents. Clear monofilm window for perfect vision through the sail. X-ply batten pockets for lighter weight and reflex.
Cams: Different size cams are placed in the sail to determine the light pressure and fast rotation on the higher cam, stability, profile and power on the lower cams.
Rigging: The AC-K needs to have the mast inserted on top of the cams. After pulling downhaul to 15cm of its final setting you can either put on the boom, and later slide in the cams before putting the final downhaul on, or place the cams on with the right technique, pulling on the full downhaul, and later putting the boom on. It requires a reasonable amount of force to counter its moderate luff curve and be guided by the visual aid in the second top panel. It rigs rdm masts on the 5.2 and 5.8 size and sdm mast on the other sizes. Playing with the outhaul will boost up power or increase control. Tighten the lower 2 battens and the top batten, but just remove wrinkles on the other battens, without overtightening them.
CHIEF DEVELOPMENT COMMENT: It’s amazing fast, so it’s less to be surprised when we saw it as a test winner on Planche Mag for over the years. We really pushed the development of this sail and have left no gaps. We ride it with our full slalom boards, and fins, to feel each corner of the sail and work on it to make it go better and better. We are being selfish to want our windsurfers who chose this sail to be the fastest on the water. Enjoy being kings out there!