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  #1  
Old 04-06-2012, 11:48 AM
Anna Anna is offline
 
Join Date: Aug 2011
Location: Passau
Posts: 48
Default Huge bulge in wing rear spar of an RV-8

Hello Together!

In the last time I have a real streak of bad luck…

By the installation of the gap filler of the wing, I made a huge bulge in
the rear spar of the wing. (See pictures) What shall I do now? I know the
rivet is to flat, too, but drilling it out could make everything even
worse…

Thanks for your help!

Best wishes,
Anna



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  #2  
Old 04-06-2012, 12:09 PM
Mike S's Avatar
Mike S Mike S is offline
Senior Curmudgeon
 
Join Date: Sep 2005
Location: Cameron Park Ca "o61"
Posts: 10,933
Default

Looks like you need to lighten up on your riveting.

What pressure are you running to the gun??
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Rv-10, N210LM.
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  #3  
Old 04-06-2012, 12:12 PM
Kahuna's Avatar
Kahuna Kahuna is offline
Whelen LED Light Man
 
Join Date: Dec 2004
Location: Gold Hill, NC25
Posts: 2,101
Default

It will be just fine.
You can do nothing and no one will know but you.

Quote:
Originally Posted by Anna View Post
What shall I do now? Thanks for your help!

Best wishes,
Anna
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  #4  
Old 04-06-2012, 12:28 PM
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flion flion is offline
 
Join Date: Dec 2007
Location: Flagstaff, AZ
Posts: 2,145
Default Second that

Quote:
Originally Posted by Kahuna View Post
It will be just fine.
You can do nothing and no one will know but you.
Your best fix is to leave it alone.
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Patrick Kelley - Flagstaff, AZ
RV-6A N156PK - Flying too much to paint
RV-10 14MX(reserved) - Fuselage on gear
http://www.mykitlog.com/flion/
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  #5  
Old 04-06-2012, 06:06 PM
Pmerems's Avatar
Pmerems Pmerems is offline
 
Join Date: Jan 2006
Location: Tucson, AZ
Posts: 641
Default Not too bad

I would remove the rivet and flatten the bulge using wooden blocks (hardwood) and a hammer. You may need a helper to hold the blocks. If you remove the rivet carefully you shouldn't damage the hole. Then set another rivet. Possibly practice on some scrap first.

If this is the worst thing that happens when building consider yourself fortunate.
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Paul Merems
ExperimentalAero-HANGAR BANNERS
www.experimentalaero.com
RV-7A (Flying since 2010)/RV-4 (sold 1990)
Tucson, Arizona 85749
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  #6  
Old 04-06-2012, 06:07 PM
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Walt Walt is offline
 
Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 3,289
Default

If it was me, I'd probably remove the rivet for inspection, gently "tap" the area to make it flatter and then re-install the rivet. The head of the rivet is so mashed that any tension on it would likely shear it off anyway (I know it "probably" loaded in shear). I would also send the pics to Van's engineering just to get their blessing, after all we are talking about the rear spar here. Damage to the spars should not be taken lightly.
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