don't go taking it as a personal attack, it's not. i had CA hinge failure too when i didn't know the proper technique to installing them and as you i said many times 'I won't use those again" and my breakages were always the bottom rudder where it got the blunt force of tail dragger 3 point landings. when i got out of the mind set to keep gluing the hinges past the 3-4 drops, i stopped getting failures.

kc