Fetchbot DIY Ball Launcher for Dogs
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Uploader Comments (dinomaui)
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All Comments (20)
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Really great. So did Sophie ever manage to learn how to drop the ball in the right place?
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That's awesome man! :P
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did you make the release mechanism yourself? I was wondering were i could find an elbow piece and hinge to recreate the mechanism
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Where did you get the relay from? and what kind of switches did you use? Do you have a schematic circuit diagram for your slingshot?
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Great Job! I'm looking at making one of these for my parents who are in their 70's... they have a Boston Terrier that is constantly bugging them to throw a ball... this is going to save them some frustration.
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did you make the release mechanism yourself? I was wondering were i could find an elbow piece and hinge to recreate the mechanism Also what kind of toy would i find a similar gearbox inside? im having trouble finding a similar gearbox
cancer1907 11 months ago
@cancer1907
Yes I made the release thingy myself. I don't remember where I got the gearbox. No one told me where to get it, I just found it in some toy from a thrift store. Thrift stores are great places to find hackable toys and stuff...
dinomaui 11 months ago
The relay is a common part available from most auto parts stores. The switches are just micro switches from Radio shack.
If you go on the flickr website and search for "ball launcher schematic" you'll find a schematic and some other pics. Sorry I can't post links in the comments.
dinomaui 11 months ago
what kind of release mechanism did u used?
cancer1907 1 year ago
@cancer1907
At 2:10 I show a close up of the mechanism that I made by hand. It's just a right angle piece of metal with a sort of tooth sticking up off it that catches the "sled".
dinomaui 1 year ago
What did you use for guide rails?
solysol5 3 years ago
Drawer slides and for the little wheels on the sled I used sliding shower door wheels. Both avaiable from any hardware store.
dinomaui 2 years ago