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RV-8a Wing Mounting

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JAPhillipsGA(at)aol.com
Guest

Posted: Sun Feb 10, 2008 5:11 pm Post subject: RV-8a Wing Mounting

Fellow Builders, I'm about to mount my wings for the first time. Any of you fellows got any good tips for success and happiness?  Is there a best side to mount first? When fitting is it recommended to install all eight bolts in the main spar ? Hope to hear something and best regards, Bill of Georgia

**************

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Paul Valovich

Joined: 11 Jan 2006
Posts: 75

Posted: Mon Feb 11, 2008 6:38 am Post subject: RV-8a Wing Mounting

Three bodies to do my wings.. Drift pins, Boelube, hardware store bolts, remember to provide dihedral (someone lifting the wingtip) to get final bolts aligned. Use “persuasion”. Digital level and measured a bunch of times.  Ended up +/- 0.1 degree – or so. When drilling aft spar, make sure drill didn’t slip off intended location (ask me how I know ). 4 plumb bobs and a laser line work great for eliminating sweep. After getting wings on, don’t forget the bottom nut plates and wing fairings – may have to adjust fuselage alignment on cradle to provide access. Bottom line – follow Vans instructions – including the download from the website.   

Booger  

N192NM  

      [quote][b]

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rice737(at)msn.com
Guest

Posted: Mon Feb 11, 2008 7:20 am Post subject: RV-8a Wing Mounting

Also, you may want to put your bolts in the freezer overnight to help get them in, it is a very tight fit.  Getting them out is fun too.  I also under drilled my rear spare so that after my first flight I could move the aft spar up or down to off set a heavy wing.  Luckily, I didn't have to, it flew straight and level first time, so I just brought them up to size and installed the proper bolts.  

  

 Paul Rice

 RV8 

 60 hours flying fun



 [quote]  From: pvalovich(at)dcscorp.com

To: rv8-list(at)matronics.com

Date: Mon, 11 Feb 2008 09:34:58 -0500

Subject: Re: RV-8a Wing Mounting



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Three bodies to do my wings.. Drift pins, Boelube, hardware store bolts, remember to provide dihedral (someone lifting the wingtip) to get final bolts aligned. Use “persuasion”. Digital level and measured a bunch of times.  Ended up +/- 0.1 degree – or so. When drilling aft spar, make sure drill didn’t slip off intended location (ask me how I know ). 4 plumb bobs and a laser line work great for eliminating sweep. After getting wings on, don’t forget the bottom nut plates and wing fairings – may have to adjust fuselage alignment on cradle to provide access. Bottom line – follow Vans instructions – including the download from the website.  

Booger 

N192NM

 	  Quote: 	
		  



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p://forums.matronics.com

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ghinman(at)mts.net
Guest

Posted: Mon Feb 11, 2008 7:48 am Post subject: RV-8a Wing Mounting

Fellow Builders, I'm about to mount my wings for the first time. Any of you 

fellows got any good tips for success and happiness?  Is there a best side to 

mount first? When fitting is it recommended to install all eight bolts in the 

main spar ? Hope to hear something and best regards, Bill of Georgia

     Bill

       I made alignment pins by forming a point on some

store bought bolts.

    Buy some store bought 7/16' bolts to mount the wings

temporary.

    You will remove the wings at least once to attach

platenuts after match drilling the holes where fuselage

 meets wing at bottom.

     If you have the Quickbuild make sure they did not

put rivets where you will put platenuts.remove them

before first mounting of wings.

  When final mounting ,the close tolerance bolts are

a tight fit.I taped them in with a brass hammer and a

bucking bar on the opposite side.I also used some

LP lubricant.

   I had three people to hold the wing while I 

taped in bolts.

  I installed the bolts from rear,because you cannot

insert bottom bolts from forward.

  I do not think there is a reason to mount a side first.

  Any questions feel free to send me an E-Mail



-- 



George H. Inman

ghinman(at)mts.net

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aerobubba(at)earthlink.ne
Guest

Posted: Mon Feb 11, 2008 7:52 am Post subject: RV-8a Wing Mounting

Hi Bill-



I'm chipping away at an 8, not an 8A, but I don't think there are any

differences in mounting the wings.  



I believe the only drivers for picking an installation order are logistics.

IE, what are the physical constraints in the assembly location that will

make one assembly order preferential over another? 



I had no trouble installing the wings with the aid of one other person. 

Once the wings were in place and pinned, I did all the rest myself.



Also, I didn't install any of the bolts.  They are cad plated expensive

bolts, and I didn't want to necessarily damage the plating or threads. 

Also, the ends are fairly square and don't lend themselves to being used to

align the holes very well.  Consequently, I got an appropriate variety and

number of hardware store bolts and ground them all to drift pins.  That

allowed me to use them to coax the final alignment of the wings and to

verify that all the bolt holes lined up at the same time.



The lack of edge distance in the rear attach hardware limits how much

wiggle room you have rigging the wings.  You probably will need very

little, anyway.  One thing I discovered in this process was the number of

inaccuracies in my QB kit.  The canopy rails aren't parallel, which was

cause for me to scratch my head trying to set / determine the true fuselage

attitude.  Likewise, the planar section of the aft upper surface of the

wing really isn't all that planar.  I ended up averaging the values for the

canopy rails as well as taking a reading adjacent to each wing rib, writing

it at each station, and averaging them.  This gave me a 'fudge factor' to

apply to the raw reading at the station where the rigging measurements were

taken.



FWIW- 



glen matejcek

aerobubba(at)earthlink.net



 	  Quote: 	
		  

 Fellow Builders, I'm about to mount my wings for the first time. Any of

you 
	


 	  Quote: 	
		   fellows got any good tips for success and happiness?  Is there a best

side to 
	


 	  Quote: 	
		   mount first? When fitting is it recommended to install all eight bolts in

the 
	


 	  Quote: 	
		   main spar ? Hope to hear something and best regards, Bill of Georgia

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ulf(at)megadoor.com
Guest

Posted: Mon Feb 11, 2008 4:07 pm Post subject: RV-8a Wing Mounting

My bolts had both boelube and freezer visit and they went in extremy hard. If you have an RV 8A DO NOT DRIVE THE BOLTS ALL THE WAY IN BEFORE YOU PUT ON THE NUT.

It was hard to get them in but it was ten times harder to get them out so you could get the nu on. 



Otherwise a piece of cake HA HA.



Ulf



--

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