Eureka Tool For relieveing Gear cutters

[DLM]

I would like to know if any one has made the Eureka tool that is in the
Gears & Gear Cutting book by Ivan Law? If so does it work i made one but i don't see how the spec. for the large eccentric can be wright, it just does not move the ratchet far enough to pick up the next notch. On a 2 inch
diameter with 12 notches they are .5236 apart & the way i read the print
the eccentric is .168 off center. I must be missing something some where.
Can anyone shed some light on this?

Thanks Don

 

[crueby]

On page 124 it mentions that the tool will work on cutters from 1.25" up to 1.5" diameter. You say you tried a 2" blank, so maybe that is the problem? Never seen or tried to make that tool, I made fly cutters then bought a set of multitooth. That tool looks really clever if you can make it work.