The soccer is the world's most popular and widely watched game. Due to increasing technological advancement and demand for performance, the ball manufacturers have been developing new designs progressively. A traditional spherical football made of 32 leather panels stitched together in 1970s has become only 14 synthetic curved panels thermally bonded without stitches ball in 2006 and more recently 8 panels football in 2010. Despite being most popular game in the world, scan data is available on aerodynamic properties of footballs especially Jabulani, Teamgeist and Fevernova balls. The primary objectives of this study were to evaluate aerodynamic performances of these three soccer balls. The aerodynamic forces and moments were measured experimentally for a range of wind speeds. The aerodynamic forces and their non-dimensional coefficients were determined and compared.
Used Nike Ordem 4 Official Match ball. Professional grade rating from FIFA. Used within the NCAA 2 seasons ago. Ball has MINOR surface wear that does not affect play of ball. Official balls run close to $160, get this one for a fraction of the price. Will not come with original packaging. Ball will ship deflated to make shipping cheaper. only shipping within North America NO RETURNS WILL SHIP FAST
While using the soccer balls above, kids can learn an abundant amount of things and develop a variety of traits. The textures and vibrant designs of each soccer ball on our list can aid in visual and tactile stimulation. The materials used in each soccer ball can help to develop auditory sensory skills as each ball makes a unique sound when it is hit by a cleat.
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