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The repetition develops basic skills and muscle memory - essential building blocks for a developing game. More advanced players can take advantage of a long list of available features. Spins, strokes, high speeds, programs, randomisation, and a host of other specific attributes are designed to challenge the skills of even the game's elite athletes.
How does a ball machine work?There are mainly two ways for tennis ball machines to work and the more popular is through the use of counter rotating wheels. You can see the two wheels inside the machine. They spin at high speed to propel the ball. The other method which is not as effective is pneumatic. This method uses a similar technology to a vacuum cleaner in reverse mode. The pressure build up inside the chamber forces the ball out and projects it through a long tube. The problem with pneumatic is it's noisy, it can't provide spin (without the use of an adaptor), has low top speeds & is generally outdated. Most pneumatic machines have now been discontinued.
How do ball machines create spin on the ball?Tennis ball machines with counter rotating wheels spin the ball by rotating one wheel faster than the other. So if the top wheel spins at a higher speed than the bottom, the machine will impart topspin on the ball. If the bottom wheel spins faster, you will get a slice.
Why some machines cannot create spin?Some tennis ball machines use the counter rotating wheel system, but choose to place the wheels on horizontal sides of the ball, rather than on the top and bottom. Therefore they are unable to get any top spin or slice.
What is random oscillation?Random oscillation is where the tennis ball machine replicates a match situation by shooting balls randomly around the court. This allows a player to focus on footwork, fitness and practice shots in a more realistic environment.
Can I use any type of tennis balls in a tennis ball machine?
First, you should avoid oversized balls like Wilson Rally. The balls are designed for kids making them easier to hit. They will not fit into the chamber of a ball machine which will cause the machine to jam.
You should also replace your tennis balls once they have lost too much felt, otherwise they will not propel properly from the machine. To get the most out of your machines, we recommend you use pressureless balls. The balls you use every day for tennis are pressurised. After a couple of days of hitting they are considerably flatter and you may decide to open a new tin. If you throw these old balls into the tennis ball machine, you will get varying results. For example, if you set the tennis ball machine to hit the baseline every time, you won't be able to achieve this because each ball will have a different pressure. When a flat ball comes out it will hit the net, and when a new ball comes out it will go over the baseline. To avoid this, pressureless balls are the answer. These balls have been designed without using pressurised air. This means that the balls will have the same bounce & shape for years to come. The average person will get at least 1 - 2 years out of pressureless balls (depends on court surface, amount of usage, etc). The only reason you have to replace them is because they lose their felt.