Any idea what this is?

Saw this after I removed the fabric from the rudder. Any idea what this little box would be for? The rib is fine, not broke, so not any kind of "wild" looking doubler. Also notice the wood inseert at the trailing edge tubing. Maybe that is for a nav light attachment, or something to screw into if a rudder tab is needed?? Any ideas?


Attachment 13908

It looks like mounting points for a servo & a trim tab.

that was my guess as well.

Quote:

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Originally Posted by jrevens

It looks like mounting points for a servo & a trim tab.

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Could be, funny thing is, he had the rudder all covered, I removed the fabric to inspect things.