Flying the flag: Prototype Sun, 17 Apr 2011 mechanismpendulumprototype Description A flag waving device to deploy at the upcoming royal wedding. Effortless celebration. Working mechanism prototype for a new project. Comments (2) miz April 18, 2011 at 6:47 pm Hi Rob! Is it similar to your Hi Rob! Is it similar to your zen hand ?! robives April 18, 2011 at 6:58 pm I’d forgotten about that! The I'd forgotten about that! The flag model uses a pendulum. Nearly done! Here's the YouTube clip. Comments are closed.