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01-29-2010, 11:48 PM
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Join Date: Jul 2009
Location: lake constance
Posts: 244
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rivet pattern bottom wing skins rv-7 ...???
 Hi,
right now i rivet the bottom wing skins to the understructure and i'm a bit confused about the drawings. on the wing drawing it says that i should rivet everey second hole at the most inboard rib to the skins, the rest will be connected later to the fuse. there is a pointer to drawing 38. but regarding drawing 38, you leave only every third hole unriveted to connect it later on to the fuse...
which one is valid? do i miss here something? i don't want to drill out a couple of rivets later...
thank you very much for any help...
Kay |
01-30-2010, 06:43 AM
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Join Date: Apr 2008
Location: Indianapolis, IN
Posts: 1,069
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Just checked my wings...I left every other hole open.
__________________
Ryan Allen, CFII
RV7 N612RA, flying since july 2012
E-170/175
RV10 Tail Kit complete, Wings 90%, fuse on order
Acro Sport 2, building
Last edited by miyu1975 : 01-30-2010 at 07:01 AM.
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01-30-2010, 08:38 AM
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Join Date: Jul 2009
Location: lake constance
Posts: 244
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hey ryan, thank you. the question is if you did it right.  the bottom wing skins will be connected to the prepunched fuse bottom skin 776. does that skin has the same pattern?
Kay |
01-30-2010, 10:04 AM
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Join Date: Apr 2008
Location: Indianapolis, IN
Posts: 1,069
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the "lip" of the 776 to where the bottom of the wing will attach is not predrilled.
__________________
Ryan Allen, CFII
RV7 N612RA, flying since july 2012
E-170/175
RV10 Tail Kit complete, Wings 90%, fuse on order
Acro Sport 2, building
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01-30-2010, 10:16 AM
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Join Date: Apr 2008
Location: Indianapolis, IN
Posts: 1,069
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I believe these are attached to the wing fairing anyways..will have to look over the plans again when I get home...
__________________
Ryan Allen, CFII
RV7 N612RA, flying since july 2012
E-170/175
RV10 Tail Kit complete, Wings 90%, fuse on order
Acro Sport 2, building
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01-30-2010, 10:21 AM
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Join Date: Apr 2008
Location: Indianapolis, IN
Posts: 1,069
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also...looking at the pics again...the top and bottom skins are different. the top is every 3rd..the bottom is every other. see pic above..which I stole from chad's site.
__________________
Ryan Allen, CFII
RV7 N612RA, flying since july 2012
E-170/175
RV10 Tail Kit complete, Wings 90%, fuse on order
Acro Sport 2, building
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01-30-2010, 04:38 PM
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Join Date: Jul 2009
Location: lake constance
Posts: 244
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thank you ryan. if the 776 fuse skin is not prepunched for the bottom wing skins... then i guess you can do what you want here...
Kay
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01-30-2010, 05:56 PM
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Join Date: Sep 2005
Location: Dothan, Alabama
Posts: 1,487
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Your are going to put a nutplate on the wing rib. You want the hole you drill in the fuse bottom to be centered up on a rivet. I screwed up and riveted every hole on the bottom. No big deal, just drew my lines and it drilled the bottom skin and the wing rib almost perfectly.
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Alton DeWeese
N526RV RV7A Tip Up, IO360 180 W/Hartzel BA prop.
Flying ~950 hours since Aug 2010
N4IDH
Construction Log
?The secret of getting ahead is getting started. The secret of getting started is breaking your complex overwhelming tasks into small manageable tasks, and then starting on the first one.?
?Mark Twain
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01-30-2010, 06:31 PM
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Moderator/Tech Counselor
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Join Date: Jan 2005
Location: East Troy, WI
Posts: 1,983
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When you fit the wings to the fuselage, you will see how the fairing on the fuselage bottom overlaps the wing. This is attached to the wing with screws. Nut plates are installed in the rivet locations that are ommitted on the wing rib. These nutplates and screws hold the lower fuselage wing fairings to the bottoms of the wings. All this needs to be fitted up after you set the wing sweep and incidence. Then the skins are marked and drilled. Do both the upper and lower fairings when the wings are set.
Hope this helps,
Roberta
__________________
Roberta Hegy
Built/Flew an RV-7A
Air Troy Estates, East Troy, WI
Ford Expedition and TRICE "Q"
Built Glen L "ZIP" Classic Outboard Runabout and Super Spartan Hydroplane
Glen L Torpedo
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01-30-2010, 09:48 PM
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Join Date: Jul 2009
Location: lake constance
Posts: 244
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ok... i understand, i will put some nutplates on the wing ribs later on to attach it with screws to the bottom fuse. so, on the bottom wing skins i leave every other hole or every third one unriveted?
sorry, but i'm still,confused, although in could rivet the most inboard rib much later....
thank you very much...
Kay
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