Not too long ago Make magazine No.22 hit the shelves,I have the digital version,and one of the interesting things in it was the double pendulum.Something I wanted to build for awhile and I guess this was the sign it was time to do so.
I didn't had enough good bearings,just three instead of the 6 or 7 you need.But luckily I have enough spacers and other salvaged parts to create a pivoting point.After a few hours of work I cobbled together a working pendulum,but it needs some improvements and I'm thinking of buying some more bearings because these double pendulums are really fun things to make and watch.
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