Vans Aircraft RV-12 Build, Section 15: Wing Ribs (part 6)

Reference: page 15-04; 1 hour

Step 5: Select five more of the W-1210-R Main Ribs and cleco then rivet to the next inboard attach angles on the Spar Assembly.



Step 6: Cleco then rivet the W-1210-L Main Rib with the attached W-1210B-L Rib Doubler to the remaining attach angle on the Left Spar Assembly.



Step 7: Cleco the Left Rear Spar Assembly to the aft flanges of the W-1210 Main Ribs.



Step 8: Match-drill #30 the hole locations in the flange of the main rib. Remove the clecos and the left Spar Assembly and deburr the match-drilled holes.





Step 9: Cleco then rivet the Left Rear Spar Assembly to the aft flanges of the W-1210 Main Ribs.



Builders note LP-4-4 must be used on these four holes in the picture above!



Builders note: For the two ribs with the flaperon hinge use the inboard holes to mount the ribs, as pictured above.