Here is my progress on the walking shoe cleats. I think now we'll be able to walk up a 10% grade. Definitely on level ground too. I should add about 15-20lbs ballast in the rear of the revolving frame to compensate for the boom now installed because the edge of the tub is somewhat heavy and not sliding along easily while walking.
Roughed in pieces:
Cutting a 45deg. bevel:
Beveling the ends:
Attached with #1-72 screws:
Ready to walk again: