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Old 08-15-2022, 10:48 AM
RV8 Builder 84943 RV8 Builder 84943 is offline
Join Date: Jan 2021
Location: Enid, OK
Posts: 14
Default RV8 Rudder Skin Pillowing/Movement

Hi All. I just bent my rudder skin, and that went well, with only minor adjustments needed. After clecoing on the skin to the skeleton, I have noticed that there is some slight movement in the skin. It's basically like there's slightly too much material between the top and bottom; along the vertical axis. If I apply light pressure to one area of the skin, it will pop down and the adjacent section will pop up. Mind you, this movement is very slight, yet unexpected.

Is this something I should be concerned about, or is it normal to have a little movement in the skin?

My radius looks very nice, and I can't find any significant issues with the bend. A Straight edge lays nicely flush perpendicular to the bend all the way to the radius. The only tiny variance occurs towards the bottom in the area of play, but hard to tell what's going on because it moves.

The issue seems more related to the amount of metal between the top and bottom ribs, and that's not something I can't change. Any thoughts on what the cause is? Has anyone else had this occur?

I'll try to capture it on a video if that's not clear.
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