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  #1  
Old 12-04-2019, 12:09 PM
HEllison HEllison is offline
 
Join Date: Dec 2015
Location: Atlanta, GA
Posts: 15
Default RV-7 to RV-12: jigs and tools question

Hello All,

Iíve decided to change projects from my RV-7 to a RV-12. Iíve found a potential buyer for the RV-7 wing kit. My question is, do I get rid of the wing stand and leading edge cradle or are they needed for the 12. Also, is their a use for the C-frame for dimpling?

Thanks,

Hans
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  #2  
Old 12-04-2019, 03:17 PM
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rvbuilder2002 rvbuilder2002 is offline
 
Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 8,746
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The RV-12 still has wings that need to be stored so a wing stand is useful. Depending on its design, it may need to be modified slightly.

All the rest of the items you mentioned are not needed.
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Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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  #3  
Old 12-04-2019, 03:33 PM
HEllison HEllison is offline
 
Join Date: Dec 2015
Location: Atlanta, GA
Posts: 15
Default Build sequence question

Thanks. So to clarify, I donít need the wing stand that was used for drilling the wing? But the wing cradle for storage would be useful.

Also, since storage is an issue. Do you see any problems with starting with fuselage and finishing kit? Then doing wings and empennage last? Iím wondering if plowing through the lengthy parts of the build first would help. Iíve completed the -7 emp and wings recently so I have that experience under my belt.

Thanks.
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  #4  
Old 12-05-2019, 10:35 AM
JwWright57 JwWright57 is offline
 
Join Date: Dec 2016
Location: Charlotte, NC
Posts: 170
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You can construct the 12 in this order;

Emp Kit
Fuse kit
wing kit
finish kit

Part of the finish kit is the final assembly so you would want the wings done first.

FYI I followed Vans directions and did them in the normal order and storing the wings is a pain i'll admit.
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Jeff Wright, Charlotte NC
Rv-12 started!
Tail 99% done
Wings 99% done
12IS fuse kit 99% done
Finish kit is Here!! 50% done :-)
Dues paid 2020
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  #5  
Old 12-05-2019, 10:44 AM
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rvbuilder2002 rvbuilder2002 is offline
 
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Location: Hubbard Oregon
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It is recommended in the plans that the wings be built first so that the fit of a couple of parts on the fuselage can be checked during construction.
Some people have bypassed that.
In reality, it is easier to store the wings than the fuselage. They can be leaned close to a wall or strapped up tight to a ceiling. The fuselage takes up a lot more space. Especially once it is on the gear.

You do not need a fixture to hold the wings during construction (you actually don't need it for 7 wings either)
__________________
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.

Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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  #6  
Old 12-05-2019, 10:56 AM
rv9builder rv9builder is offline
 
Join Date: Jan 2005
Location: Irvine, CA
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I'm building in the order Jeff mentions. Like Scott says, when I ordered my fuselage, it was suggested I order a couple of parts from the wing kit (stub spars and rear spar doublers) to test fit the receptacles where the wings attach to the fuselage. The folks at the factory told me exactly which wing parts to order and said I could deduct these from my wing kit.
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Last edited by rv9builder : 12-05-2019 at 11:14 AM.
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  #7  
Old 12-22-2019, 03:39 PM
scorkey scorkey is offline
 
Join Date: Jun 2018
Location: Bonaire, GA
Posts: 7
Default

Quote:
Originally Posted by rvbuilder2002 View Post
The RV-12 still has wings that need to be stored so a wing stand is useful. Depending on its design, it may need to be modified slightly.

All the rest of the items you mentioned are not needed.
Scott, does Vans have a set of plans (or recommend one) for a RV-12 wing stand?
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  #8  
Old 04-06-2020, 08:44 AM
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BobbyLucas BobbyLucas is offline
 
Join Date: Oct 2019
Location: Belleville, MI
Posts: 229
Default

Quote:
Originally Posted by JwWright57 View Post
You can construct the 12 in this order;

Emp Kit
Fuse kit
wing kit
finish kit

Part of the finish kit is the final assembly so you would want the wings done first.

FYI I followed Vans directions and did them in the normal order and storing the wings is a pain i'll admit.
Jeff - could you educate me more on wanting the wings done before the finish kit? I was toying with the idea of building the wings dead last as theoretically they are only needed to get airborne, which probably shouldn't be attempted until the end of the build anyway.
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Van Buren TWP, MI
Student Pilot, Mechanical Engineer
RV-12is Empennage Kit, Fuse Kit, #121228
N781PT Reserved
Donated 2020
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  #9  
Old 04-06-2020, 12:15 PM
JwWright57 JwWright57 is offline
 
Join Date: Dec 2016
Location: Charlotte, NC
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Quote:
Originally Posted by BobbyLucas View Post
Jeff - could you educate me more on wanting the wings done before the finish kit? I was toying with the idea of building the wings dead last as theoretically they are only needed to get airborne, which probably shouldn't be attempted until the end of the build anyway.
Bobby - during the finish kit you need to fit the wings to the fuse also there are several steps where the wings are needed (like drilling the flaparon brackets).
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Jeff Wright, Charlotte NC
Rv-12 started!
Tail 99% done
Wings 99% done
12IS fuse kit 99% done
Finish kit is Here!! 50% done :-)
Dues paid 2020
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  #10  
Old 04-06-2020, 12:24 PM
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BobbyLucas BobbyLucas is offline
 
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Location: Belleville, MI
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Quote:
Originally Posted by JwWright57 View Post
Bobby - during the finish kit you need to fit the wings to the fuse also there are several steps where the wings are needed (like drilling the flaparon brackets).
So is waiting on the wings a no-go, or does it just mean I'll have to come back to a couple unfinished steps once I do get the wings complete?
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Van Buren TWP, MI
Student Pilot, Mechanical Engineer
RV-12is Empennage Kit, Fuse Kit, #121228
N781PT Reserved
Donated 2020
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