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04-06-2012, 10:48 AM
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Join Date: Aug 2011
Location: Passau
Posts: 37
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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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04-06-2012, 11:09 AM
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crusty
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Join Date: Sep 2005
Location: Cameron Park Ca "o61"
Posts: 8,365
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Looks like you need to lighten up on your riveting.
What pressure are you running to the gun??
__________________
Mike Starkey
Rv-10, N210LM.
VAF 909
EAA 512
Flying as of 12/4/2010 
Phase 1 done, 2/4/2011
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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04-06-2012, 11:12 AM
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Uber Moderator
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Join Date: Dec 2004
Location: Gold Hill, NC25
Posts: 1,741
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It will be just fine.
You can do nothing and no one will know but you.
Quote:
Originally Posted by Anna
What shall I do now? Thanks for your help!
Best wishes,
Anna
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04-06-2012, 11:28 AM
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Join Date: Dec 2007
Location: Flagstaff, AZ
Posts: 1,918
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Second that
Quote:
Originally Posted by Kahuna
It will be just fine.
You can do nothing and no one will know but you.
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Your best fix is to leave it alone.
__________________
Patrick Kelley - Flagstaff, AZ
RV-6A N156PK - Flying too much to paint
RV-10 14MX(reserved) - Fuselage on gear
http://www.mykitlog.com/flion/
EAA Technical Counselor #5357
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04-06-2012, 05:06 PM
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Join Date: Jan 2006
Location: Tucson, AZ
Posts: 516
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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.
__________________
Paul Merems
ExperimentalAero- "The Simpler Dimpler"
www.experimentalaero.com
RV-7A (Flying since 2010)/RV-4 (sold 1990)
Tucson, Arizona 85749
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04-06-2012, 05:07 PM
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Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 2,474
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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.
__________________
Walt Aronow, Dallas, TX (52F) RV7A, O360, C/S, 1300+hrs
EXP Aircraft Services ExpAircraft.com
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
RV Condition/Pre-buy Inspections, Aircraft Maintenance, Avionics
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Contact: walt@expaircraft.com, Cell: 972-746-5154
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