With Instructables you can share what you make with the world and tap into an ever-growing community of creative experts.
share what you made with text, photos, video, and files
gather your favorite instructables together
Every physics department needs a double pendulum, so here's how I built ours. The big improvement is that the bottom pendulum can be locked in place. ...
This aluminum bar is half of the top pendulum. Another similar bar forms the second half. The ball bearings are 3/8" ID x 7/8" OD x 7/32" wide (McMas...
This is the pivot for the bottom pendulum. The length is the same as the width of the top pendulum spacing block.
Download an AutoCAD .dwg and/or an Alibre Design Xpress assmebly.
Download our new apps for iOS, Android and Windows 8!
© 2014 Autodesk, Inc.
PDF DownloadsAs a Pro member, you will gain access to download any Instructable in the PDF format.
You also have the ability to customize your PDF download.