Braces
at the corners of the cradle greatly strengthen the cradle.
cutting
braces from ¼” masonite 1” deck screws and glue braces top and bottom
8”
plywood disks backed by ¼” masonite disks 9 inches in
diameter, screwed onto the cradle sides at balance points earlier determined
when the tubes were attached, form the altitude bearings.
plywood and masonite
disks attached at balance
point with 1 ½” deck screws
and glue