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QB Wing Questions

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Kearney(at)shaw.ca
Guest

Posted: Sun Aug 24, 2008 7:37 pm Post subject: QB Wing Questions

Hi

  

 This wekend I started fininihsing off my QB wings. When installing the botton skins, the plans reference step 5 on pag 16-2 that describe how to improve the "aesthetics" of the wing overlaps.

  

 While the plans suggest removing material from the overlapped skins, they neglect to say how to do this. The range of possibilities go from a chain saw to a jeweler's file. I think a sanding block with a fine grit sandpaper might work but was wondering what others have used.

  

 As well, I have a couple of tie down rings for the wings. Looking at the ring attachment points, it looks like the there is not enough material to allow tapping holes for the rings. Am I missing something ?

  

 Inquiring minds need to know.

  

 Les Kearney

 #40643 - some assembly required

  

  

  

  

  

  [quote][b]

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daveleikam(at)wi.rr.com
Guest

Posted: Sun Aug 24, 2008 8:42 pm Post subject: QB Wing Questions

Hi Les,

  

 There should be plenty of material for tapping the  tie downs.  I had no problem here.  Just go slow, use plenty of oil,  and reverse out the tap often to clear the threads.  I then used a small  angled pick to remove chips from the holes.  I used a small Vixen file to  put a bevel on the skin edges for overlapping.  Again, go slow and steady  and keep a constant angle.  Be sure to remove some material from the aft  edge of the skins so they do not buckle and cause oil canning.  You'll see  what I mean after you cleco the skins on the first time.

  

 Dave Leikam

RV-10 #40496

N89DA  (Reserved)

Muskego, WI



 [quote]   ---

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dlm46007(at)cox.net
Guest

Posted: Mon Aug 25, 2008 2:22 am Post subject: QB Wing Questions

trim the forward edge of the skin with a file or sanding  block because riveting causes flattening of the skin and extends it .010-.015.  results in a slight ridge.

   From: owner-rv10-list-server(at)matronics.com  [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Dave  Leikam

Sent: Sunday, August 24, 2008 9:41 PM

To:  rv10-list(at)matronics.com

Subject: Re: QB Wing  Questions

 Hi Les,

 There should be plenty of material for tapping the  tie downs.  I had no problem here.  Just go slow, use plenty of oil,  and reverse out the tap often to clear the threads.  I then used a small  angled pick to remove chips from the holes.  I used a small Vixen file to  put a bevel on the skin edges for overlapping.  Again, go slow and steady  and keep a constant angle.  Be sure to remove some material from the aft  edge of the skins so they do not buckle and cause oil canning.  You'll see  what I mean after you cleco the skins on the first time.

 Dave Leikam

RV-10 #40496

N89DA  (Reserved)

Muskego, WI

 [quote]   ---

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Lew Gallagher

Joined: 04 Jan 2008
Posts: 402
Location: Greenville , SC

Posted: Mon Aug 25, 2008 3:23 am Post subject: Re: QB Wing Questions

Hey Les,



On the forward edge (I think Dave may have also meant forward instead of aft ...?) I headed the advice of others and paid attention when clecoing to see what they were talking about.  Sure enough, the forward edge needed to be trimmed on both finishing panels.  



Since the amount that needed to come off was consistent, I ran the edge of a felt sharpie along the edge of the aluminum to give me a guide mark, then just used the belt sander to shave it off.  Then debur and it gave a nice straight edge -- no oil canning, but bruised upper arms stretching to the max to back those hard to reach rivets!



Here's a copy of a previously posted rivet pattern, if you didn't see it.



Later, - Lew

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Bottom wing skin rivetting pattern.pdf

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Bottom wing skin rivetting pattern.pdf

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_________________
non-pilot
crazy about building
NOW OFICIALLY BUILDER #40549
Fly off completed !

orchidman

Joined: 10 Jul 2006
Posts: 277
Location: Oklahoma City - KRCE

Posted: Mon Aug 25, 2008 3:42 am Post subject: Re: QB Wing Questions

I also used the belt sander.  Goes much quicker and I think you can get a very uniform taper.  Watch it that you don't stay in one spot to long as the AL can get very hot.

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_________________
Gary Blankenbiller
RV10 - # 40674
(N2GB Flying)

kearney(at)shaw.ca
Guest

Posted: Mon Aug 25, 2008 4:33 am Post subject: QB Wing Questions

Thanks Dave et all. I appreciate the advice. Damn, no chain saw….  

   

Cheers  

   

Les  

#40643 – Some assembly required  

   

Do not archive  

         

  

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of David McNeill

 Sent: August-25-08 4:21 AM

 To: rv10-list(at)matronics.com

 Subject: RE: QB Wing Questions  

  

   

trim the forward edge of the skin with a file or sanding block because riveting causes flattening of the skin and extends it .010-.015. results in a slight ridge.  

       

  

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Dave Leikam

 Sent: Sunday, August 24, 2008 9:41 PM

 To: rv10-list(at)matronics.com

 Subject: Re: QB Wing Questions    

Hi Les,  

    

   

    

There should be plenty of material for tapping the tie downs.  I had no problem here.  Just go slow, use plenty of oil, and reverse out the tap often to clear the threads.  I then used a small angled pick to remove chips from the holes.  I used a small Vixen file to put a bevel on the skin edges for overlapping.  Again, go slow and steady and keep a constant angle.  Be sure to remove some material from the aft edge of the skins so they do not buckle and cause oil canning.  You'll see what I mean after you cleco the skins on the first time.  

    

   

    

Dave Leikam

 RV-10 #40496

 N89DA (Reserved)

 Muskego, WI  

  [quote]    

---

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dlm46007(at)cox.net
Guest

Posted: Mon Aug 25, 2008 5:17 am Post subject: QB Wing Questions

if you check the top skins on the QB wings you will find  that Vans did not always follow its own advice.

   From: owner-rv10-list-server(at)matronics.com  [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Les  Kearney

Sent: Monday, August 25, 2008 5:32 AM

To:  rv10-list(at)matronics.com

Subject: RE: QB Wing  Questions

Thanks Dave et all. I  appreciate the advice. Damn, no chain saw…. 

Cheers 

Les 

#40643 – Some assembly  required 

Do not  archive 

From:  owner-rv10-list-server(at)matronics.com  [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of David McNeill

Sent: August-25-08 4:21 AM

To: rv10-list(at)matronics.com

Subject: RE: QB Wing  Questions

trim the forward edge  of the skin with a file or sanding block because riveting causes flattening of  the skin and extends it .010-.015. results in a slight  ridge. 

From:  owner-rv10-list-server(at)matronics.com  [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Dave Leikam

Sent: Sunday, August 24, 2008 9:41  PM

To: rv10-list(at)matronics.com

Subject: Re: QB Wing  Questions  

Hi  Les,

There should be plenty of material  for tapping the tie downs.  I had no problem here.  Just go slow, use  plenty of oil, and reverse out the tap often to clear the threads.  I then  used a small angled pick to remove chips from the holes.  I used a small  Vixen file to put a bevel on the skin edges for overlapping.  Again, go  slow and steady and keep a constant angle.  Be sure to remove some material  from the aft edge of the skins so they do not buckle and cause oil  canning.  You'll see what I mean after you cleco the skins on the first  time.

Dave Leikam

RV-10 #40496

N89DA  (Reserved)

Muskego,  WI

 [quote]      

---

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MauleDriver(at)nc.rr.com
Guest

Posted: Mon Aug 25, 2008 7:33 am Post subject: QB Wing Questions

I did the 'scarf' on one wing using a variety of things.  A die grinder mounted disk sander was most effective.  I know it sounds like the wrong tool but it worked well.  Sanding a scarf using a block with fine paper may exhaust your patience. 

 

 Having done it, I did not think it worthwhile.   Yes, look at what the QB builders did on the top skin overlap.  They just knocked the exposed corner off at 45 degrees.  Looks nice.  I ended up not even doing that for the bottoms.

 

 I found enough material to tap the tiedowns.  As recommended by others, use plenty of lube and back out often.  This is not a place you want to break off a tap (as if there is anywhere you want to break off a tap).  I used a vacuum to clean out the chips.

 

 Bill Watson

 

 LES KEARNEY wrote: [quote]   Hi

    

   This wekend I started fininihsing off my QB wings. When installing the botton skins, the plans reference step 5 on pag 16-2 that describe how to improve the "aesthetics" of the wing overlaps.

    

   While the plans suggest removing material from the overlapped skins, they neglect to say how to do this. The range of possibilities go from a chain saw to a jeweler's file. I think a sanding block with a fine grit sandpaper might work but was wondering what others have used.

    

   As well, I have a couple of tie down rings for the wings. Looking at the ring attachment points, it looks like the there is not enough material to allow tapping holes for the rings. Am I missing something ?

    

   Inquiring minds need to know.

    

   Les Kearney

   #40643 - some assembly required

    

    

    

    

    

    	  Quote: 	
		  



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 [b]

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daveleikam(at)wi.rr.com
Guest

Posted: Mon Aug 25, 2008 9:09 am Post subject: QB Wing Questions

Oops!  Yes I meant forward, sorry.



Dave

---

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