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03-27-2013, 06:32 PM
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Join Date: Jan 2013
Location: FL
Posts: 100
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RV-6 Wing Screws
Hey guys, I'm new here and I'm trying to buy a flying RV-6.
We noticed that there are some screws that seem to be called for in the plans missing from underneath the wings, where they attach to the belly skin of the aircraft.
I've been told various things as to that they are important and that they are not, and I'm just trying to get to the bottom of it.
Thanks!
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03-27-2013, 06:42 PM
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Join Date: Jul 2005
Location: North Atlanta
Posts: 1,120
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If the wing skin meets the belly flush then I see no reason to put them in. Mostly the screws help make the skin flush. I guess they could flex over time and crack if it is not flush but not really a huge concern.
__________________
Sid Lambert
RV-7 Sold
RV-4 - Flying - O-320 Fixed Pitch - Red over Yellow
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03-27-2013, 07:09 PM
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Join Date: Jan 2013
Location: FL
Posts: 100
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This is actually where the belly skin overlaps the wing. I'm never built one, but from my rookie level of reading plans it appears like 10-ish screws that go through each belly skin->wing skin->inner wing rib and attach to nutplates mounted in the wing. 20 or so screw/nutplates in total, 10 each side.
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03-27-2013, 07:38 PM
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Join Date: Jan 2007
Location: Battleground
Posts: 4,348
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This has come up before, perhaps with the same airplane. They are absolutely structural and required.
__________________
Smart People do Stupid things all the time. I know, I've seen me do'em.
RV6 - Builder/Flying
Bucker Jungmann
Fiat G.46 -(restoration in progress, if I have enough life left in me)
RV1 - Proud Pilot.
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03-27-2013, 07:45 PM
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Join Date: Jan 2007
Location: Battleground
Posts: 4,348
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__________________
Smart People do Stupid things all the time. I know, I've seen me do'em.
RV6 - Builder/Flying
Bucker Jungmann
Fiat G.46 -(restoration in progress, if I have enough life left in me)
RV1 - Proud Pilot.
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03-27-2013, 07:45 PM
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Join Date: Jan 2013
Location: FL
Posts: 100
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But I was told that there are no airworthiness directives or service bulletins that exist for this issue. (I'm not really sure what all that means, it's just what I was told)
How long would it take to fix something like this?
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03-27-2013, 07:49 PM
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Join Date: Jan 2007
Location: Battleground
Posts: 4,348
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It is not a service or airframe issue, it is a construction issue. Who knows what impact it may or may not have on the strength of the wing. I posted a link to a post about a 7 with the same issue.
The fix would require wing removal, not an easy job. I would be more concerned with what else the builder felt was "unnecessary".
__________________
Smart People do Stupid things all the time. I know, I've seen me do'em.
RV6 - Builder/Flying
Bucker Jungmann
Fiat G.46 -(restoration in progress, if I have enough life left in me)
RV1 - Proud Pilot.
Last edited by JonJay : 03-27-2013 at 07:52 PM.
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03-27-2013, 08:45 PM
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Join Date: Oct 2009
Location: Victoria, BC, Canada
Posts: 3,932
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Has anyone got any pictures of this? I'm having a hard time visualizing it and I own a -6... But I didn't build mine either. Doesn't the wing root fairing go all the way around? Guess I'll find out again at this year's annual (due in about a week...).
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Rob Prior
1996 RV-6 "Tweety" C-FRBP (formerly N196RV)
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03-27-2013, 08:46 PM
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Join Date: Jul 2008
Location: Santa Rosa, CA
Posts: 580
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Absolutely JonJay
I fully concur and for all the same reasons. If you call Van's and ask them, the answer is, it absolutely is a structural matter.
Steve "The Builders Coach"
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03-27-2013, 08:53 PM
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Join Date: Jan 2005
Location: Twin Cities, MN
Posts: 1,565
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Quote:
Originally Posted by Snowflake
Has anyone got any pictures of this? I'm having a hard time visualizing it and I own a -6... But I didn't build mine either. Doesn't the wing root fairing go all the way around? Guess I'll find out again at this year's annual (due in about a week...).
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No, underneath it stops just aft of the tanks.
__________________
Brad Benson, Maplewood MN.
RV-6A N164BL, Flying since Nov 2012!
If you're not making mistakes, you're probably not making anything
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