Computer Design and Manufacture Image Source: Computer Design and Manufacture Image Source: Ī “real” Surfboard is made by a master shaper and then Scanned to store all of its 3D Geometrical characteristics. Modern Surfboards are mass produced using computerised design / scanning equipment as well as shaping machines. “Shapers” and “Glassers” hand make custom surfboards. Making Surfboards Image Source: htttp://Īn order form and detailed plan is used to measure and make each surfboard to the customer’s requirements. ![]() “Shapers” turn a foam blank into a proper surfboard using cutting and measuring tools, sanders, fibreglass, and resins. ĭecks are either flat or domed and slippery fibreglass needsthick wax or rubber grips applied to it.Fin Configurations Images Source: Google Imagesīottom contours influence how water travels under the surfboard, and assists lift, planing and manoeuverability. (Five fin boxes under the board allows for Tri or Quad). FCS Fins Australia Images Source: htttp://ĭepending on Surfboard Type, there can be 1 to 4 fins used. Evolution of Fin Technology Source: įCS Fins Australia are world leaders in Fin Technology, and continue to create exciting new products. The incredible acrobatic surfing we see today is due to the evolution of Fins over the last ten years. Bulbous Bullet Fin Image Source: htttp:// There are four common Fin Profiles or “Foils” Foils on Fins Information Source: ĭrive, (Speed), Pivot (turning) and Hold/Release Foils on Fins Image Source: įlex and Cant on Fins Original Images Source: Google Imagesĭetailed Fin Measurements Image Source: htttp://įin Base Profile pushes up a “Bulbous Wave” at 180 degrees to the fin cutting wave to create cancellation. Fin Characteristics Source: įin Profile called “Foil” critically affects turning, hold on the wave face, drive acceleration, and stability. There are key measurements which define each fin type. There are many Fin Types, Shapes, and Arrangements. Round / Pin – stable in big surf, smooth round turns Squash / Square – more lift, plane, pivot, loose sharp turns Swallow / Angular – Quick water release for mushy waves Tail Shapes Image Source: įins are required to turn the board, stop sideways slipping, and hold the board onto the face of the wave. The Rails Squared off bottom “Hard” Rail profile along the edge of a Fish Board from Nose to Tail. The “Rail” edges of the surfboard are rounded (“soft”)on Longboards for stability and tracking, but go to a right Angle (“hard”) shape where they meet the bottom of Shortboards to give acceleration and tight turning. Stringer - stiffener placed down the middle of the board to strengthen the core and add rigidity. Rocker is the curving upwards of the deck (nose and tail) Fish and Longboard (small waves) have minimal rocker. Pointy - dropping into big waves, and paddling in chop Round - easier to paddle, glide, and plane on the surface. Choosing a Surfboard Image Source: Ĭhanging the Geometrical Shape of each part significantly changes acceleration, stability, hold, and manoeuverability. Other Types / SUP Images Source: Google Imagesĭetailed Sizing Charts are used for the Type of Board you need for your height, weight, and surfing style. ![]() Tow-InBoards with Jet-Skis used for Big Wave entries. The Stand Up Paddle Board “SUP” gives four times the Paddling power of a normal surfboard. The typical hybrid is a larger and wider version of either the Shortboard or the Fish. ![]() Designed for very High Speeds and Control. Smaller than Longboard, thick and long giving Buoyancy volume, paddling power, and stability. The Longboard Image Source: īrazilian Surfers Nose Riding on Longboards. Oldest design, Rounded Nose, Long and Wide, Great for small waves and Beginner Surfers. Shorter, Wider, and Flatter than the Shortboard works well in small mushy surf. High Performance, Sharp Nose, Thin Rail Edges, Highly Curved Deck, Three or Four Underside Fins The Shortboard Image Purchased by Passy World from Computer Design and Manufacture Surfboard Geometry and Design.Surfboard Geometry and Design Image Source:
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