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Nove fatos sobre bolas de tênis

1. No início as bolas de tênis eram produzidas de couro.

2. Em 1887 a Slazenger patenteou um sistema resistência a água para a bolas de tênis.

3. Bolas de tênis coloridas (um ou dois tons de cores) foram usadas em partidas não oficiais no início do século 20.

4. Originalmente as bolas de tênis eram preenchidas com ar para garantir um quique ideal e homogêneo, hoje é usado gases especiais que não agridem o meio ambiente.

5. Na década de 50 eram produzidas bolas de borracha sem revestimento para serem usadas em quadras duras (cimento).

6. Para qualificar uma bola de tênis para torneios oficiais, cada bola deve quicar entre 134.62cm e 147.32cm quando é solta – em uma superfície rígida – de uma altura de 254cm.

7. Cada bola de tênis deve pesar entre 56.7g e 58.7g.

8. Durante uma partida, uma bola de tênis deve ter uma deformação inferior a 5.97cm.

9. Atualmente, o torneio de Wimbledon consome 36.000 bolas de tênis.