Some secrets about tennis ball

Author: Rhoden at 26-11-2011, 23:06, Views: 60

How many tennis balls are there? Why they are Optic Yellow and are numbered? What kind of balls is suitable for which tennis court? All the secrets of tennis balls will be clear as below:

A regular tennis ball always consists of two parts, the intestine and skin. The intestine is made of hollow rubber (core) and the shell is the outside wool (felt). Currently, there are two main color tennis balls are allowed in the tournament using the white and Optic Yellow. Tennis ball with a diameter of 65.41-68.58 mm (2.575-2.700 inches) weighing between 56.0 g and 59.4 g (1.975-2.095 ounces). According to the provisions in the tennis law, when released from a height of 100 inches (2.54 m) to the cement floor, the ball must be bounced from 53 and 58 inches (1.3462 - 1.4732 m).

The questions related to tennis balls:

1. Why is ball changed in one game?
High bounce of the ball will decrease significantly, and does not meet the standard if about three hours of continuous play. When not in use, it is best to put the ball in the tin box, in order not to reduce the pressure.

Category: Recreation and Sports » Tennis