and it needs to be perfectly perpendicular to the surface. I am working on an abandoned treadle lathe project and I may have finally stumbled on the main reason why it was abandoned. The center hole in the flywheel is not square to the surface. I expanded it concentrically to fit bearings without checking for squareness and made it worse. So now I am going to turn a hub to set the bearings into and then drill a big hole over the whole mess to set the hub into. But the only thing I have that will do it is a hole saw attachment for the drill that only approximates a true circle and would depend on me getting it square freehand. Anyone near by that can offer me a better solution? :eusa_pray
EDIT - Done! :eusa_danc Pictures and explanation of process further down. Many thanks to DaveD :eusa_clap for loaning me the tool and advising me on best practices to get accuracy and to others :eusa_clap who offered other solutions. Another NCWW success story! :icon_thum
EDIT - Done! :eusa_danc Pictures and explanation of process further down. Many thanks to DaveD :eusa_clap for loaning me the tool and advising me on best practices to get accuracy and to others :eusa_clap who offered other solutions. Another NCWW success story! :icon_thum