One more…
57.7 mm diameter
43.3 mm wide
65.3 gr
17 Likes
Looks like it would play nice! 1). Did you make that? 2). Is it delrin?
Yup, made it myself. It’s ertacetal, probably just another name for delrin (not sure but I always thought delrin is a brand name).
1 Like
Looks fun!
This looks really neat
From what I see, Ertacetyl is Mitsubishi’s brand name for various types of POM. POM-H (homopolymer acetal) is also called delrin. Not sure if POM-C (copolymer acetal) is the one typically classified as POM in yoyo designs, or if that’s something else. Maybe someone can clarify.
Thanks for making me look that up - at least I learned a little. And props on doing it yourself! Would be cool to see your process sometime.
3 Likes
This actually looks really fun. Congrats!
1 Like
Most of these are made when I’m working at a nuclear power plant, I work there a few months a year when they do large repairs, there’s a lot of waiting involved so I make yoyo’s to make time go by.
Camera’s are prohibited, but I’ll remember to take some pics if I ever find some time to make some yoyo’s after hours at the workshop I usually work at.
I don’t mind showing how I machine yoyo’s. I’d love to see how others make them, to learn new tricks 
4 Likes