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Tesla Snake Arm v2

By UltiErik

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gschrang
gschrang
about 8 years
Have you tried using magnets in a sleeve for the joints instead of ball joints. No friction (ie. + on +) between sections. Only pulling the string to collapse the corners.... Just a thought.
UltiErik
UltiErik
over 8 years
I just used string to keep things together and simulate it by hand to see what kind of friction the servos would need to overcome. With the big ball joints it seems like it is not feasible, it has a lot of friction. Perhaps using just the (thick) power cord as a core and leaving out the ball&sockets would even give a better result! There is a popular servo design on YouMagine, b.t.w.
nbarker88
nbarker88
over 8 years
How do you assemble it? Also, what kind of feedback mechanism is used to control the movements? It is a very interesting idea. Thanks for sharing.
UltiErik
UltiErik
over 8 years
Hi em3kay, I actually did print lots of them. See the picture in the timeline of the design or see this link: https://goo.gl/photos/KJ5dLQHzfFeZSvdX7
em3kay
em3kay
over 8 years
did you ever end up scaling this one up? to work with your car? looks good
cyclone
cyclone
almost 9 years
I love the quick eager to please action you are giving it. I'd love to see an animation with this little guy meeting Luxo Jr. Very nice to see this thing printed, can't wait for the servo control to be added.

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robot Work In Progress Electric Vehicle prototype robot arm

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