[nuclearnerd]

I'm a bit confused, this picture shows a big old mounting flange, but others show the versaplanetary mounting pattern. Did you draw both? I ask because we used 3 stage versaplanetaries this year at 250:1 reduction. We found we were really pushing it with the strength of the hex shaft, and especially the holding power of the two #10 screws. If you've got such a big reduction, consider engineering it to use another output and mounting arrangement to bolt directly to frame members and/or sprocket bolt circles.