Smitty's RV-9A from Van's Aircraft

RV-9A: Project Entry

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Time to starting riveting the spars and ribs together
After doin' some head scratching I decided that the front spar needed to be riveted first, since it would probably be the most difficult. I pulled the whole rig off the work table and put it on a smaller table with a saw horse on each end. Then I put an 8 ft 1x4 board under the ribs and across the small table to hold the ribs up. Then I removed the rear spar, replacing it with a 4 foot piece of aluminum angle with #30 holes drilled in it to cleco back on to four of the center ribs. I pull out the 1x4 allowed the weight of the rig to be supported by 4 of the ribs which were attached to the aluminum angle. Now I would be able to walk in between the outer ribs to get better access to the riveting of the front spar. UPDATE 12/14/2006: I did the right wing a little different during this stage. I think it's a little easier. Check it out.

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