. . . and there is alot of it in those sprockets. Unfortunatly, we only have access to a drill press, and the biggest steel cutting bit we could find is a half inch titanium number, so we had to go with the ‘hit point blank with a shotgun’ look. It works. We hope.
Safety first!
That student should have goggles on.
Wetzel
Would making multiple little holes lose wight while maintaining integrity better than a few larger holes? As long as the holes arn’t too large, it should be roughly the same, right? Hmm…a good math question I can write down and ignore until next year.