Waynerr, if you've already installed CA Hinges twice, I won't recommend trying them again on this plane, so I would suggest going with the Robarts. The wing will be plenty strong enough to hold them.

But for future reference, read this article on the proper way to install CA Hinges.

[link=http://www.rcuniverse.com/magazine/article_display.cfm?article_id=55]Installing CA Hinges[/link]