I decided to drill out one of the -4 rivets attaching the bottom VS ribs to the spar. I ended up drilling a little too deep and damaged a hole in the rib and decided to drill out all three rivets to replace the rib. While pounding out the old rivets with a punch the holes in the spar became slightly indented. I did support the backside of the flange using clamps, but it was very tight and difficult to secure well.
Two questions.
1. Is there a better way to secure the work piece to prevent this? There is quite a bit of force required to drive out -4 rivets, so it seems unavoidable to have some indentation.
2. Is this spar still ok to use? Should I use a flat set to remove the indent? On the top spar I also drilled out a river and it left an indentation around the factory head but I didn?t remove it prior to setting a new rivet. Too late now.
http://https://eaabuilderslog.org/?blprojentry&proj=7YL1dRvO9&e=7Ye0U8q3z&listcat=
Two questions.
1. Is there a better way to secure the work piece to prevent this? There is quite a bit of force required to drive out -4 rivets, so it seems unavoidable to have some indentation.
2. Is this spar still ok to use? Should I use a flat set to remove the indent? On the top spar I also drilled out a river and it left an indentation around the factory head but I didn?t remove it prior to setting a new rivet. Too late now.
http://https://eaabuilderslog.org/?blprojentry&proj=7YL1dRvO9&e=7Ye0U8q3z&listcat=