Adidas Jabulani
Jabulani is the official name of the match ball of the FIFA World Cup 2010 in South Africa and the FIFA U-20 World Cup 2010 Women in Germany.
Properties
Jabulani, which is sold by sports manufacturer Adidas, was developed in the UK at Loughborough University, and on December 4, 2009 - presented in Cape Town - during the preliminary round group draw for the World Cup. Jabulani is isiZulu and means " rejoice " or " convey joy and happiness." For the final of the World Cup in South Africa ( as first presented in 2006 ) was specifically used designter ball with golden color and the name JO'BULANI, playing games in the snow, an orange version called Jabulani could serve Orange Power.
" Our development team has been working for more than three years at Jabulani. [ ... ] Its surface is composed of eight three-dimensionally shaped panels that enclose the inner carcass. Unlike in the past, the individual elements are no longer sewn but thermally welded. Thus, the ball is as round as never before. Grooves in the surface ensure optimum aerodynamics. "
The materials come from China, India and Taiwan. Are thermoplastic polyurethane elastomers ( TPU), ethylene vinyl acetate (EVA) and polyester, and cotton fabrics. The printing ink for the design of a latex mixture. The carcass is stretched, and the cotton fabric laminated with a latex, then the white EVA panels are cut to size and cured with UV radiation. TPU film is flat printed with the 11 colors in the print line with a printing form as the web so that after the molding, the image is undistorted. The two webs (TPU & EVA) of be aufeinanderverklebt and formed into a high-frequency method. There are two ball halves from each of four panels together and centered the hole for the valve. Then carcass and ball halves are secured with air pressure and cooled. 1760 balls are produced exclusively in China per day.
2008, the practice test at Bayern Munich, AC Milan, Ajax Cape Town took place (a subsidiary of Ajax Amsterdam ) and Orlando Pirates from Johannesburg. The England international Carragher expressed criticism of the fact that the ball will used among others in the German Bundesliga for some time and they would thus have the disadvantage of less match practice with the ball.
The eleven Ball colors symbolize an eleven players, but the eleven languages of the South African tribes.
Criticism
Like the team spirit in 2006, received the Jabulani - predominantly for goalkeepers - a lot of criticism.
Among other things, Júlio César, Giampaolo Pazzini, Claudio Bravo and Iker Casillas critical of the ball, the Italian goalkeeper Gianluigi Buffon has expressed disappointment about the fact that such a ball would be used in a World Cup.
However, Jabulani also received positive criticism, including, among others, Petr Čech, which expresses that the ball was due to its colors very easily recognizable and to hold on tight and controlled could repel.
While older balls start to wobble even at 48 km / h, the ball fluttering only from a speed of 72 up to 80 km / h