Both your DD look awesome. I would like to try and make one of these too. I've been haunting the 2nd hand shops for parts (no luck yet )
Thanks for all the reference material
I was contemplating making an actual moving Decoy Detonator. So I disassembled a toy robot and figured out how the mechanism work. I created an AutoCAD drawing, and then had to play around with the pivot point spacing and the diameter of the eccentric. From this I generated a sequence of 24 images and with the help of zamar.com and ezgif.com, I created a short animation -
I have some thoughts on how this can actually be made, but I currently lack the tooling, time and funding it'd take to make one.:unsure
Potter fans - feel free to share this - just give me credit if asked.