The crank arm presents challenges for turning the spindle area on a lathe. Long radius, and off-center mass. I would mount it to a rotary table, then spin the crank against an end mill.
- Andrew, my basement overflows with tools, Berkeley On Friday, May 20, 2016 at 11:27:20 AM UTC-7, Bill Lindsay wrote: > > Did you use the mill or the lathe? Both present their own challenges in > set-up I'd imagine. The lathe would let you take a pass at an angle, > making it kind of conical. Then you fit inside the BB while maintaining > the surface engagement between crank arm and spindle. With the mill you're > more likely just going to face it flat, which might make you a little more > nervous. Even if something did fail I would not expect it to be > catastrophic. I say go for it, either way. > > Bill > > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at https://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
