Thingiverse
Wave Pendulum via 3D printing
door mgg942
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This is derived from the writings of Paul Liu, in particular: http://hippomath.blogspot.com.au/2011/06/making-your-own-pendulum-wave-machine.html
Still a 'work in progress' but can be seen in action here:
http://youtu.be/LVjnVPLGuDc
I made the 'bobs' like little pill bottles so weight can be added - which I've yet to do though I do have some lead shot on order. I hope that the shot will make the bobs swing more accurately and reduce the tendency to crash into one another.
Once I have the weights then I will retime each pendulum again (the centre of gravity will have changed) and do it more precisely which I hope will extend the time that the bobs swing in a coherent manner.
Still a 'work in progress' but can be seen in action here:
http://youtu.be/LVjnVPLGuDc
I made the 'bobs' like little pill bottles so weight can be added - which I've yet to do though I do have some lead shot on order. I hope that the shot will make the bobs swing more accurately and reduce the tendency to crash into one another.
Once I have the weights then I will retime each pendulum again (the centre of gravity will have changed) and do it more precisely which I hope will extend the time that the bobs swing in a coherent manner.
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