Riveted my ch650b left flap, and ran into the "trailing edge opposing rivet won't fit" problem. No big deal; Will unrivet trailing edge and see if I can convince 2 rivets to share the same space!

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I found the same problem.  Here's what I do.  On one side, I place the rivet in the hole, and then use the hand riveter to lightly set it with one pull.  The rivet is lightly set, but the head isn't expanded yet.  Then I put the rivet in on the other side, and set it fully.  Now both rivets are in their holes.  Then I set the second rivet fully.  

I had to drill out a few rivets on my first flap before I came up with this method.  I did this for the ailerons, too.

Rebecca,
Thanks for the tip. I like your solution and have ran into this myself but, brawn vs brains I twisted the rivet to start. What can I say, it's in my genes. I hope to remember your solution in the future -- thanks!
Thanks Rebecca! I tried this tonight and it worked perfectly...very awesome!
Glad I could help.  Both rivets fit when they're finally expanded, there's only an interference when one's fully expanded and the other is "long and skinny."  I do conceptual design of plastic coating machinery, and I run into stuff like this all the time with our new designs.  I guess another solution could be to move one of the holes a little.

Fellow builders,

      I had same issue with my 650. Learned from other builders to drive mandrel out of rivet, cut body of rivet to a shorter length that will insert in rivet hole and clear opposing obstruction and reinsert mandrel in rivet. You may then place rivet in hole and pull with head fully seated. Do not know if this meets specs, but is how many have met challenge of opposing rivets. Jerry

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