While practice your swing music , have you ever question how that tennis ball launcher could cope a perfect serve every sentence ? Go to the next trope to see how the tennis formal launcher appear on the inside .

This launcher will elicit as long as it has electrical energy and a provision of tennis ballock . To do this , it employ gentle wind press . Continue to see where that press come from .

When the catapult is power on , an electric fan draw air from the outside into the tin . The airwave flows through a piece of foam and protective silver screen . These protect the devotee motor from junk .

Tennis ball launcher

The air then flows upward through the hopper .

The line leaves the hopper and then moves out through the barrel .

Let ’s add tennis balls to the equation .

interior

An electric motor inside the hopper keep enter the ball moving .

The motor turns a rotor coil inside the hopper . As the rotor work , it roll the bollock through a hole one at a time . Each ball falls into the plastic tube that execute through the canister .

The ball rolls through the underground until it reaches a soft , cartilaginous anchor ring called a detent . The pawl get the clump to seal off the end of the tube-shaped structure and squeeze a plastic pother to cut across the incoming to the tube . Now , air pressure starts to build up .

Electric Fan

When the breeze press behind the ball subdue the resistance from the detent , the egg vanish down the barrel . With this pressure eliminated in the underground , the fluttering at the incoming falls back down . Another ball falls into the pipe , and the process starts again .

The conciliatory piece of tubing that connects the barrel to the canister permit you to change the angle of the barrel . This pneumatic design is also used in T - shirt and confetti launchers , as well as to create special result such as fly debris or fake snow .

Hopper

barrel

tennis balls

Electric motor

rotor

Flexible Tube

Canister

Snow cannon