If you believe that tennis balls are only yellow-colored fluffy balls, each just like another, you’re most surely incorrect. Tennis balls are a lot more than that. Here are a few details about tennis balls which you may or may not already know:
There are 2 principal kinds of tennis balls: pressurised and pressureless. Pressurized versions have got a hollowed out core, stuffed with air. A few tennis ball companies use nitrogen in the middle, simply because this gas can be preserved longer – pressurized balls are going to lose their pressure around a month after opening the pressurized can that they come in. As they lose their pressure, they come to be “dead” and will not bounce so nicely.
Pressureless balls have got a solid core. These types of balls are fantastic for everyone who doesn’t play tennis very often and/or for you to use as training balls. These kinds of balls tend not to lose their bounce. However, the felt will gradually wear off, and so they will eventually end up being replaced.
Whenever you purchase new tennis balls, the package which they are available in needs to be obviously marked with what sort of balls it has – regular duty, extra duty, or high altitude.
Regular duty types must be used on indoor and clay-based courts, while the extra duty kind are recommended on grass courts. High altitude tennis balls are used in sites such as Denver where you are trying to play 4,000 feet or even more above sea level. These types of balls have different pressure – regular balls will bounce excessively at this elevation.
With no yellow (or white…) fuzziness on the balls, the game of tennis would be a great deal different. The fuzz of the balls generates friction. which creates drag in the air, enhancing topspin and backspin and making these shots easier to carry out.
Ever thought about what the figures on your tennis-balls mean? These are simply for your benefit, to ensure that you can differentiate your ball from others playing on the tennis courts.