On Fri, 12 Nov 2010 17:53:47 -0500, Gene
wrote:

personally, I would have machined that out of one piece and employed
healthy sized radii...... it may be fine.....

but, I worry....

Gene, I'd be happy to send you some drawings if you'd like to cut some
metal on my behalf. It's a fairly simple piece with only a few
critical dimensions.