HeliCooper
Well Known Member
I've riveted the skins to the rear spars and ribs. The right skin turned out great but while riveting the left skin to the rear spar I noticed the skin starting to push up. When I finished riveting to the rear spar I noticed the oil canning. Thinking the ribs would help stiffen it up I back riveted those on. The oil canning is awful and needs to be fixed I'm just not sure the best track to take. Reorder the rear spar, ribs, top skin and hinge? Drill out the rear spar rivets and try to re rivet it and smooth the skin?
Additionally what can I do when I redo the elevator in order to make sure I do not have the same problem? I had the ribs shimmed up approximately .150 inches, I started at the inboard section on the rear spar and clecoed every other hole towards the outboard side going up the ribs when I came to them. I then riveted every hole starting from the inboard side working out.
Additionally what can I do when I redo the elevator in order to make sure I do not have the same problem? I had the ribs shimmed up approximately .150 inches, I started at the inboard section on the rear spar and clecoed every other hole towards the outboard side going up the ribs when I came to them. I then riveted every hole starting from the inboard side working out.