Flying Tourbillon Model 1.5
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I finally got around to improving my first tourbillon model. For more information on the design and a brief lesson in amateur horology, see the original at: https://www.thingiverse.com/thing:1991251. See this one in action at: https://www.youtube.com/watch?v=QvW-A2oI-O0
Changes include the following:
- Guard pin to prevent mis-alignment of the fork
- Spring powered (about 40s run time (or you can pretend that it's a fidget spinner and keep winding it)).
- Replacing 3mm bearings with one 608 bearing so that now one must only cut 3 x 2mm shafts (I use a small piece of PLA filament to pin the balance spring in place).
UPDATE 25JAN18: I added some exploded views to assist with assembly. Also, my record for runtime is now 58 seconds.
UPDATE 30JAN18: I uploaded new versions of five parts with narrowed holes to support PLA filament shafts so that there isn't too much slop. All have "-PLA shaft" in their title. I have yet to test them (soon, I hope), but they use hole diameters that have worked previously with PLA shafts in my designs.
If one wants to avoid metal parts entirely, (smuggling plastic tourbillons through the TSA?) here is a list of 608 bearing replacements located on Thingiverse. I have not tested these designs personally and I'm sure that there are many other suitable variants.
Using 4.5mm BBs:
https://www.thingiverse.com/thing:2598427
Fully printed:
https://www.thingiverse.com/thing:2375580
More of a bushing but should still work…
