More Rudder Parts Priming

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A quick night in the shop tonight.  The next step on the rudder is to get the counterbalance rib and counterbalance skin installed on the skeleton.

First thing, I need to bevel the outside edge of the counterbalance skin to allow less of a bump as the leading edge of the rudder skin jumps from the spar to the counterbalance skin. I clecoed the rudder skins and counterbalance skin together and drew a line on the counterbalance skin, forward of which I don’t want any beveling or scuffing or primer.

Right side of the counterbalance skin marked.

Then, I put a piece of tape down to protect the part of the skin I didn't want to touch.

I repeated these steps for the other side, then beveled in the indicated places (over the spar and tip rib locations along the edge) and scuffed with a scotchbrite pad.

All scuffed up.

Then, I dimpled with the tank dies (because the rudder skin’s normal dimples will sit in these “tank” or larger dimples.)

Dimpled, ready for priming.

Then, I prepped the inside of the skins and primed the whole thing.

Counterbalance skin waiting to dry.

While I was priming, I decided to edge prep, scuff, dimple, clean, and prime the R-912 counterbalance rib, also. Here it is drying.

R-912 drying.

Then, I pulled the vinyl off the inside of the counterbalance skin.

I saved a ton of primer weight here. /sarcasm off.

And that was all for the night. 30 minutes of airplane working glory.

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