RV-9A Wing Construction Log
Saturday, December 27, 2003
 
Drilled rib assemblies to spar
I cleco'd the nose rib assemblies to the spar and match drilled. I made the FL-906C spacer and drilled it in place with the spar and then match-drilled the FL-906A with the spar. You are supposed to drill these all together but I got ahead of myself and drilled the spacer and then realized I need to drill the 906B. I think this might actually work out better in some ways.

Caution: Check the clearance of the 906B with the web of the nose rib. When I went to cleco it all back together, the 906B was too long and wouldn't sit flat on the flange of the nose rib. I ground off some of the edge and also put a bit of an angle on it. (See picture.)

Interference area.
End of spar with all cleco'd on.

Next I cleco'd the spar assembly to the bottom skin and drilled the holes into the flap table.

(Time: 2 hours)


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