Hung on the rail, straight line without transversal skid, our fin should not curbing us. Surfboards will remain long without fins, rail is the only way to hang in the wave: The first surfboards observed during Cook's voyages (1769) to sandwich islands describe long boards without fins, and the first photographs of surfing (1890) Gene n☂ : Variations in the angle of attack of the fin as needed Travel narratives in West Africa (1600) report the agility of paddlers in waves, in this case, the oar is used as fin that is oriented to direct the boat in the wave So we will not be debating here in anticipation of the discovery because the instinct of surfing is universal. Style="margin-left:35.4pt">In history, every civilization of fishermen, has developed its own experience of waves and a way to surf it. Gene n☁ : Continual variation of the shape of the fin depending on the environment. No historical track of the inventor, perhaps we should be looking at prehistoric level, and certainly beyond, in our genetic memory.or closer to us, in the sensation of the present moment. Style="margin-left:35.4pt">The need creates the function of the fin instinctively, by varying the shapes of our hands to guide us in the wave. Style="margin-left:35.4pt">In the beginning, there were the waves. For a more detailed study of the history of the fin, I invite you to consult the page We put aside the purely aesthetic factor, which remains an important argument in an environment where the fashion effect has strong anchors. We will mention here only basic genes in the genealogy of the fin, as dozens of models deserve to be mentioned for their participation in this development. Since 1934 (Tomīlake), the fins designers brings up various forms with different objectives. Intuitive experience & Search of natural sensations.ġ: Historical study of the evolution of the fin in surfing: genes to maintain: the 11 basic genes :īefore going further in the description of the system ADAC fins,and demonstrate the real contribution that it provides to technical state, check that the system integrates the best of what has been done in its genes. ADAC Safety surf fins (anti cuts fins).Influence ADAC on reducing eddy losses (winglet effect).Influence ADAC on hanging rail by limiting cant effect.Influence ADAC on acceleration of surf.Influence ADAC on the efficiency range and stall.Influences of the camber and the angle of attack of hydrodynamic profiles.ĪDAC on the drag resistance of surf fins.Analogy with the types of turns in skiing or Snowboarding.Theoretical study of hydrodynamics, mechanics and kinematics of surf fins. Historical study of the evolution of the fin in surfing: genes to maintain. The technology of surf fins, results from three research & development areas, which we will summarize here:: (Adaptive Dynamics Attack & Camber SYSTEM US patent & Europe 2014 applied by Fyn to surfing, since spring 2015 ) So build the description of this technology of biomechanics fins, leaving the specific arguments and quantified designers, establish the usefulness and innovative character of patents ADAC. Let's get out of clichés considering that the surfer is only sensitive to the correspondence of the color of its fins with those of his shorts, and forge our estimate of quality and utility of a surf fin, on technical and scientific argumentation, to confront our surfing intuition. This technology brings the fin design in a new area, introducing a biomechanical adaptation logic, for variable geometry profiles This evolution the active principle of the surf fin, marks a real evolution in the hydrodynamics of fins, providing a exeptionnelle fluidity in the experience of surfing !. FYN dynamic fins ADAC system: a real technological breakthrough in the field of surf fins and surboard foils.
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