Tennis Instructions Online
How do you make a simple tennis launcher?
I need to make a tennis ball launcher, for my physics projectile project. It has to go a reasonable distance. I have searched online, and found no luck but things that involve fire. If anyone could lead me to a site it would be much appreciated, or give me a list/instruction guide from their own experience, Id thank you forever 
!
There are several ways to launch it.
1) You can use a water balloon launcher. This is an over sized sling shot, usually made with bicycle tire tubes or surgical tubing.
2) You can whack it with a paddle. Getting a spinning paddle on a stationary bike and dropping the ball in front of it.
3) A spinning wheel like a baseball or tennis ball server.
4) Tennis ball antenna launcher. These come in a couple of flavors. One is explosive. The other uses compressed air. This one is the link I have included. You may be able to modify it to be charged with a bicycle pump that you power have to power it completely yourself.
(plus it looks kind of cool!)
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