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Thursday, 29 August 2024

Wing Fold Brace

I learned a valuable lesson.... when you think something is wrong, don't do it!

When building the wings, I put the fasteners in for the wing fold eyebolts inboard on the foward spar - just like the manual and ANOR says.  I found the kit and all the pieces.  I grabbed the eyebolts that go into the fastener on the wing, under the main tank.

I thread in the right side by hand until I could not turn it any more, and then used a screwdriver through the eyebolt to wind it in the rest of the way.  No problem.  Then the left.... I start winding it in and SNAP.  The eyebolts were drilled on the shank... and it snapped at the hole.  So now I have a partial stud in the wing... and no access on one side.

After lots of thinking....

Plan A:  Try to back the fasteners out with a flat blade screwdriver using the slot in the tail.  Nope.

Plan B:  Drill the stud remaining and use an easy out.

Plan C:  Drill, and step the drill side up slowly to break the stud apart and remove the pieces.

Plan B did not go great... the drill wanted to walk on the slot, so the hole wasnt straight.  Drilled up to 1/8" and got the easy out in, but it did not want to budge.  Drilled up again and got the pieces out.

Ran a tap through the hole.  Eyebolt FITS!

New eyebolts ordered from ACS.  My god they are pricey.... but they are needed.

Forward wing braces have been fit and marked.


And the wing even folds.

I was hoping to not have to install the cups in the fuselage for the inboard flap track to tuck into.  That did not work out... it touches and the wings are not fully folded.  So they have to be installed.


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