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RV-9A: Project Entry

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Trial fit of the flap actuator and blocks

Looks good! Tomorrow I tighten the blocks bolts on each end block and drill the center bolt holes into the floor rib.
Update: 12/9/2009.Well, I torqued the bolts on each end only to realize that the center bolts go into nutplates (not yet installed) after you drill the holes using the center block as a drill guide. The only way to install the nutplates in the center section is to remove the flap actuator. Then it was "back to the forums" to find out whether I could reinstall the nylock nuts again after they were already torqued once. Turns out you can reinstall previously torqued nylock nuts. See this thread on Van's Air Force, especially Mel Asberrys comment. He really knows his stuff. Here is his comment: "It is perfectly acceptable to reuse nylock nuts as long as you cannot install them by hand. The locking mechanism is secondary to the nut being torqued. If you want to use them once and throw them away, that's you choice, but it is certainly not necessary."

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