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wing top skins

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jeffrey_davidson(at)earth
Guest

Posted: Sat Sep 08, 2007 7:36 am Post subject: wing top skins

John,

	I have used the principle of not riveting anything until I have to

after having to open up the top skins on the center HD wing section after

they were fully riveted.  I appreciate that I learned a new skill to remove

rivets without causing damage, but it did not help me move along on the

project.  I am currently mounting my HD wings with the nose skin only

clecoed on the top side.  I have Leading Edge tanks that will need attention

after the wings are on.  The rear Z is also clecoed where the aileron

attaches.  With enough clecos my opinion is that the top skin can be held in

place just fine for your purpose.  The assumption here is that the bottom

skin is riveted.  Others may worry that there may be some movement, but that

probably is not critical until you make the final adjustments to the wing

attachments.

	Jeff Davidson 



i hope to move my machine to a hanger soon for final

assembly.  i was wondering if it would be a

disadvantage to leave the top skins clecoed on until

all adjustments were complete and the wiring, fuel

lines, control rigging and everything else is complete

and ready to close up.  the only worry i have is

hanging the wings on and not having enough strength

due to the fact that the top skin is not riveted in

place, or that there will be extra sag due to the same

reason.  it seems that the final assembly would be

much easier with access to the interior wing.

still am waiting to see if any changes are recommended

to beef up the wing before i close them up

regards

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ter_turn(at)yahoo.com
Guest

Posted: Sat Sep 08, 2007 1:59 pm Post subject: wing top skins

John, you could consider throwing just a few rivets into the top skin which will 

stabilize it. You can use hardware store rivets for cost and ease of removal.

Save your clecos for the fuse.



Terry Turnquist



john butterfield <jdbutterfield(at)yahoo.com> wrote:[quote] --> Zenith-List message posted by: john butterfield 



hi list:



i hope to move my machine to a hanger soon for final

assembly.  i was wondering if it would be a

disadvantage to leave the top skins clecoed on until

all adjustments were complete and the wiring, fuel

lines, control rigging and everything else is complete

and ready to close up.  the only worry i have is

hanging the wings on and not having enough strength

due to the fact that the top skin is not riveted in

place, or that there will be extra sag       Sick sense of humor? Visit Yahoo! TV's     [quote][b]

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dave.thompson(at)verizon.
Guest

Posted: Sun Sep 09, 2007 10:32 am Post subject: wing top skins

 	  Quote: 	
		  Terry Turnquist said:  John, you could consider throwing just a few rivets into the top skin which will          stabilize it. You can use hardware store rivets for cost and ease of removal.      Save your clecos for the fuse.      	
  

To me, that sounds like a great idea even though I’m not building. An added thought, if you use hardware store POP-Rivets, paint them red or something to be able to quickly identify them. That way you have less of a chance missing one that will need to be replaced before flight. Simply take a cardboard box, punch a bunch of holes in it and stick the rivets in the holes. Then just use a rattle can to spray paint them. A quality paint job is not the goal, just quick identification of the “wrong” rivets. Harbor Freight Tools have 1/8” X 1/4” pop rivets in a box of 500 for $2.99.   

   

Just my two cents worth…  

   

Dave Thompson   

        [quote][b]

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Ron Lendon

Joined: 10 Jan 2006
Posts: 685
Location: Clinton Twp., MI

Posted: Mon Sep 10, 2007 6:59 am Post subject: Re: wing top skins

I am planning to rivet my skins on now then building up the other wing.  I see no need to not rivet them.  I may eat those words also, but that is the risk I take.  



All of the wiring and plumbing will be in and tested before closure and I will be able to check the wing one final time fixtured to the table before placing the final rivets.  If there is any shape changing required I would rather do that on a known good surface (my build table).



YMMV

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_________________
Ron Lendon
WW Corvair with Roy's Garage 5th bearing
CH 601 XLB
N601LT - Flying
http://www.mykitlog.com/rlendon
Corvair Engine Prints:
https://sites.google.com/site/corvairenginedata/

ter_turn(at)yahoo.com
Guest

Posted: Mon Sep 10, 2007 7:43 am Post subject: wing top skins

You might check with a couple of DAR'S in your area..some of them require access to the inside of the wing before signing off an inspection. At least so I've heard. Not there yet!



do not archive



Terry Turnquist



Ron Lendon <rlendon(at)comcast.net> wrote:[quote] --> Zenith-List message posted by: "Ron Lendon" 



I am planning to rivet my skins on now then building up the other wing.  I see no need to not rivet them.  I may eat those words also, but that is the risk I take.  



All of the wiring and plumbing will be in and tested before closure and I will be able to check the wing one final time fixtured to the table before placing the final rivets.  If there is any shape changing required I would rather do that on a known good surface (my build table).



YMMV



--------

Ron Lendon,   [quote][b]

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bryanmmartin

Joined: 10 Jan 2006
Posts: 1018

Posted: Mon Sep 10, 2007 8:12 am Post subject: wing top skins

If you get a visit by an EAA technical counselor before you close the 

wing and document it, you shouldn't have any such trouble. The FAA 

recommends that you have a tech counselor look over major assemblies 

before closing them. I had three visits, before closing up the tail 

feathers, before closing up the first wing and before closing up the 

fuselage.



Terry Turnquist wrote:

Terry Turnquist wrote:

 	  Quote: 	
		   You might check with a couple of DAR'S in your area..some of them 

 require access to the inside of the wing before signing off an 

 inspection. At least so I've heard. Not there yet!

 

 

     

> 

>     I am planning to rivet my skins on now then building up the other

>     wing. I see no need to not rivet them. I may eat those words also,

>     but that is the risk I take.

> 


	


-- 

Bryan Martin

Zenith 601XL N61BM

Ram Subaru, Stratus redrive

Do Not Archive

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_________________
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.

Ron Lendon

Joined: 10 Jan 2006
Posts: 685
Location: Clinton Twp., MI

Posted: Mon Sep 10, 2007 10:23 am Post subject: Re: wing top skins

Thanks Bryan,



I did forget to mention the Tech Counselor has seen and written documentation about what he has seen.  I actually called him last night and asked if he wanted to see it again before final closure, he said "no, button it up".

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Gig Giacona

Joined: 10 Jan 2006
Posts: 1416
Location: El Dorado Arkansas USA

Posted: Mon Sep 10, 2007 12:29 pm Post subject: Re: wing top skins

Not in the US they don't. Now an EAA tech adviser might want to see. Mine didn't

 	  ter_turn(at)yahoo.com wrote: 	
		  You might check with a couple of DAR'S in your area..some of them require access to the inside of the wing before signing off an inspection. At least so I've heard. Not there yet!



do not archive



Terry Turnquist

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_________________
W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR

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