17-12-2017, 07:09 PM
(17-12-2017, 04:18 PM)BobĀ Culver Wrote: Sometimes see "belt and braces" safety brackets on similar lines. However if the arm fails at the shoulder instead of at the more usual radius may be of limitedĀ assistance.
Very much less likely to fail now, the arm is effectively triangulated, there will little or no deflection of the arm itself.