How do you handle water? Can you wash the dish it? Swimming pool? Cooking bread (flour is nasty)? Oil? Direct sunlight for 4 hours?
> We went through multiple prototypes dealing with ball size, raceway depth, and surface finishing before getting consistent 20s spins.
So you have some photos or data collected during these attempts? They may be an interesting technical post. (My lab notebook was a disaster, so I don't expect a very systematic report.)
What are the materials? For some small device we had to use bronce "nuts" over aluminum threads, because apparently aluminium over aluminium get stuck too easily.)
How do you handle water? Can you wash the dish it? Swimming pool? Cooking bread (flour is nasty)? Oil? Direct sunlight for 4 hours?
> We went through multiple prototypes dealing with ball size, raceway depth, and surface finishing before getting consistent 20s spins.
So you have some photos or data collected during these attempts? They may be an interesting technical post. (My lab notebook was a disaster, so I don't expect a very systematic report.)
What are the materials? For some small device we had to use bronce "nuts" over aluminum threads, because apparently aluminium over aluminium get stuck too easily.)