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  #1  
Old 07-13-2011, 07:30 PM
CDBridgesRV7A CDBridgesRV7A is offline
 
Join Date: Oct 2010
Location: Berwick, Nova Scotia, Canada
Posts: 83
Default I Really Need HELP On This One.

Well Folks, I really messed up this mistake and I',m not too sure how to fix it. I'm building my HS. I've riveted the left skin to the ribs and spars. I then riveted 706 to 702 (spar). The first 472 AD 4-4 rivet went in OK but the second one did not. I drilled it out and unfortunately enlarged the hole. So I decided to enlarge the hole IOT take a 470 AD 5-4. No worries there either. I switched up bucking bars and went with my tungsten one vice the one I had been using all night. I hit the rivet for way too long with the tungsten bucking bar and pancaked the 5-4 rivet. The machine head was flattened as well as the shop head. I attemted to drill the rivet out to replace it (I should have left it) but the only way it was coming out was to tear the metal. As I didn't want to order a whole new 702 spar and 706 tip rib (as the skin was already attached) I've left it for now.

Here are my options, as I see them. 1). Can you rivet through a rivet? There is a hole drilled through the rivet from where I tried to remove it. I could try to rivet a 4-4 rivet through the 5-4 rivet. 2) Insert a bolt through the hole instead of a rivet. I'll leave the 5-4 rivet in place and insert a bolt through the hole in the rivet and secure with a washer and nut.

Any suggestions would be more than appreciated.

Thanks

Chris
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  #2  
Old 07-13-2011, 07:49 PM
lorne green lorne green is offline
 
Join Date: Dec 2005
Location: Oliver, B.C. Canada (Okanagan valley)
Posts: 786
Default It sucks.....

but every so often, we have to settle for an an3 bolt. Not often we hope because it adds weight. Short of that replace the part(s).
regards
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Lorne
RV 7a tip-up
Pre-cover MD-RA Inspected.
Canopy completed. Bonded with Sika-Flex.
Up on her mains, Firewall Fwd and wiring on going.
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  #3  
Old 07-14-2011, 08:39 AM
kentb's Avatar
kentb kentb is offline
 
Join Date: May 2005
Location: Canby, Oregon
Posts: 1,786
Default It is hard to tell without seeing a picture.

It might be possible to drill a new rivet hole on each side of your bad rivet and set those correctly.

Kent
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Kent Byerley
RV9A N94KJ - IO320, CS, tipup
AFS 3500, TT AP, FLYING....
Canby, Or
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