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02-07-2013, 11:31 PM
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Join Date: Feb 2008
Location: Snohomish, WA
Posts: 9
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Wing Fuse Attack - skins?
I'm ready to attach the wings for the first time on my RV7, and have not yet completed rivet installation on bottom wing skins. Does anyone believe this is a significant issue? My main concern is potential of alignment change at final install.
Thanks,
Z
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02-08-2013, 06:10 AM
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Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 5,668
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Sounds to me like you are not ready to install the wings if the wing skins are not riveted on yet. The wing structure can twist if the skins are not installed.
__________________
Walt Aronow, DFW, TX (52F)
EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 1700+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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02-08-2013, 12:01 PM
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Join Date: Oct 2006
Location: Garden City, Tx
Posts: 5,122
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Yes, you'll definitely need all the wing skins riveted on before mounting the wings. The wing skins carry a good deal of structural load and need to be in place.
__________________
Greg Niehues - SEL, IFR, Repairman Cert.
Garden City, TX VAF 2020 dues paid 
N16GN flying 700 hrs and counting; IO360, SDS, WWRV200, Dynon HDX, 430W
Built an off-plan RV9A with too much fuel and too much HP. Should drop dead any minute now. 
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02-08-2013, 12:58 PM
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Join Date: Jun 2006
Location: 8I3
Posts: 3,562
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If this is a QB wing, with the top and LE skins riveted on, you will be fine. In fact I think its a good idea because it allows you to dimple the holes drilled for the fuselage skin overhang, instead of countersinking them. In older kits (-3,-4,-6) if there is a problem with the rear spar stub, its a lot easier to correct if the bottom skins and wing walk ribs aren't riveted.
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Please don't PM me! Email only!
Bob Japundza CFI A&PIA
N9187P PA-24-260B Comanche, flying
N678X F1 Rocket, under const.
N244BJ RV-6 "victim of SNF tornado" 1200+ hrs, rebuilding
N8155F C150 flying
N7925P PA-24-250 Comanche, restoring
Not a thing I own is stock.
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