Left Aileron Drilled (3/2/11)

1.6 Hours -

I started working simultaneously on both ailerons, but limited bench space quickly made force me to focus on one at a time.

The aileron skeletons were relatively easy to assemble.  The nose ribs (A-704) are clecoed to the spar and drilled.

The first step in assembling the aileron skeleton is to cleco and drill the A-704 nose ribs to the spar.

Then, the main ribs (A-705) are clecoed to the spar and drilled.

After the nose ribs are drilled, the A-705 are clecoed and drilled to the spar.

Once all the ribs are drilled to the spar, both the leading edge skin (A-802PP) and the trailing edge skin (A-801PP) are clecoed to the skeleton along with the counterbalance pipe.  In the empennage, cast lead weights were used as counterbalances, but the ailerons simply use a length of steel water pipe that runs the length of the leading edge of each aileron.  For now, I just assembled the left aileron.

After drilling the ribs, the skins and counterbalance are clecoed on and drilled.

With everything clecoed together, I final drilled the skins to the skeleton and match drilled the counterbalance pipe using the holes in the leading edge skin as a guide.  During my next work session, I’ll repeat this process for the right aileron.

The left aileron is drilled and ready to be taken apart for finishing.

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