|Project by PopsHuckster||posted 08-20-2013 08:31 PM||1921 views||6 times favorited||10 comments|
Saw a clock similar to this in one of those whacky catalogs you get around Christmas time. I thought it looked OK but needed some upgrades. I have a gear generator program for designing and printing out patterns for making wood gears I had used for the motor lamp I have in my projects list, so I thought I could use it to make my own ‘running timing gear clock’. The chain has 32 links. The gears have 6 (drive gear) and 18 teeth (second hand gear). I have a couple 3 rpm 110v motors (actually motors used to turn those disco balls way back when) that I use for various projects and figured with this ratio I could use the main (18 tooth) gear as a second hand too. To be really anal, I added one of those programmable cards to record the song “Little Deuce Coupe” to play when the clock hit the hour, but I could find a clock movement with a long enough shaft that had a set of remote contacts to use as the ‘play’ switch for the music. So.. the music plays when you push the small button on the left side of the back board of the clock. You can see it on the one photo that shows the clocks workings on the backboard.
To make sure the chain links were all pretty uniform i had to make a jig to drill the pin holes in the link plates. I was glad I did after having to make 32 links that had to move smoothly. The video I have of it running on the wall is too big to add on here (20 meg), so I’ll have to see if I can cut it down and post it later or as a separate blog.