Tennis Ball Launcher Deconstructed

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Uploaded by on May 3, 2011

A detailed explanation of the inner workings of the tennis ball launcher.
I shot this at the request of an engineering student at the University of Oklahoma.

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  • hi dino thanks it help me a lot i just made one too from your help thanks. I made mine out of all steel and used a wipper motor it has park position built in it. also added a 5 sec launch delay relay that gives my dog some run time but the biggest thing was to get the dog to use it well that not a problem for me Im a dog trainer I can help you show your dog to use it. all done by baby steps. How is if sofee making out with it ? hilderheating@hotmail.com

  • TLAR is the way to go. I don't mind inventing the wheel over and over again, as long as it's MY wheel. Never had a name for it, so I'm happy to adopt your term.

    As a sign of my gratitude, allow me to share with you another methodological acronym. The IPUGA method. Ignore Problem Until Goes Away. May not sound like much of a method, but I keep being amazed at how often it is actually applicable. I hope it will prove useful to you in the future!

  • TLAR method, I use that too! It's great that you talk about your thought process.

  • This is what I like, good thinking and keeping it simple, without using an arduino ;-)

  • Correction, if either A, B or both are triggered.

  • The gate on your ball launcher is an OR gate.

    OR gate - If either A or B is triggered, current flows

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