AntiGravity
Well Known Member
I'm a little confused here and not sure how to proceed. I've match drilled all the ribs to the main spar and rear spars. Van's instructions now say to deburr, prime and then rivet the ribs to the main and rear spar. All well and good, but then I wondered about the rear spar flange. The skin flange and rib all get rivetted together. Looking further on in the instructions (page 7-8) it says to dimple the rib and the rear spar. Trouble is, by that time the rib will already be riveted on; so I won't be able to. No problem, thinks I, dimple now. Of course, that may potentially lead to an alignment problem when match drilling the wing skin since the underlying hole will already have been opened out to #40. If the wing skin hole is a little off to one side I could end up with an oval hole underneath. Checked DanC's website, but the only thing I noticed was a photo on this page (http://www.rvproject.com/20020711.html) which shows (I think) that the rear spar is countersunk. Looks that way to me anyway. No other mention is made that I have found (Dan, you reading this? [in the 'wrong' forum!!]).
What did you other boys do?
What did you other boys do?