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QB Wings: Page 16-2 Step 3

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poneill(at)irealms.com
Guest

Posted: Tue Sep 25, 2007 3:46 am Post subject: QB Wings: Page 16-2 Step 3

I'm still working through double checking all the QB Wings+Fuse plan steps

and encountered an issue with one of the uncompleted wing steps.



Page 16-2 Step 3 where you #19 drill the center nut plate holes for the wing

root fairing attach.  The center holes have not been drilled, so I am

drilling them.  The problem is that there are 3 layers of aluminum already

riveted together which must be drilled through: rib, wing walk doubler, and

top skin.  When drilling out the center hole, I am getting bur/chip

production between the layers.  



I'm using a #19 jobber bit and going slow, but I am not able to avoid

separation of the layers due to chips.  It's too tight to use a chip chaser

without damaging the skins.  I was able to clean out the first two and then

stopped to research before proceeding.



Was this step completed for any others with QB wings or is this a standard

task for the builder to complete?



Any suggestions for avoiding the burrs/chips in between the layers while

drilling?



Best Regards,

Patrick 40715

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ScooterF15

Joined: 19 Jun 2006
Posts: 136

Posted: Tue Sep 25, 2007 5:49 am Post subject: QB Wings: Page 16-2 Step 3

Patrick,

  

 I had the same issue with my QB kit, although, I don't have any suggestions  for you. Just do the best you can. It is certainly a good idea to check  every step in the plans to make sure it was done and done correctly. I spent  probably a week checking/fixing stuff before actually starting work. I  found it quite disturbing that they failed to drill the center holes  for almost every single nut plate installed in the QB fuse. That makes  it pretty hard to drill and properly debur those holes (especially when  there are multiple layers of aluminum). Good luck. 

  

 -Jim

 40134 

  

 In a message dated 9/25/2007 7:47:50 A.M. Eastern Daylight Time,  poneill(at)irealms.com writes:

  	  Quote: 	
		  -->    RV10-List message posted by: "Patrick ONeill"    <poneill(at)irealms.com>



I'm still working through double checking    all the QB Wings+Fuse plan steps

and encountered an issue with one of the    uncompleted wing steps.



Page 16-2 Step 3 where you #19 drill the center    nut plate holes for the wing

root fairing attach.  The center holes    have not been drilled, so I am

drilling them.  The problem is that    there are 3 layers of aluminum already

riveted together which must be    drilled through: rib, wing walk doubler, and

top skin.  When drilling    out the center hole, I am getting bur/chip

production between the    layers.  



I'm using a #19 jobber bit and going slow, but I am not    able to avoid

separation of the layers due to chips.  It's too tight    to use a chip chaser

without damaging the skins.  I was able to clean    out the first two and then

stopped to research before    proceeding.



Was this step completed for any others with QB wings or is    this a standard

task for the builder to complete?



Any suggestions    for avoiding the burrs/chips in between the layers    while

drilling?



Best Regards,

Patrick  40715 	


 



  

 Jim "Scooter"  McGrew

http://www.mit.edu/~jsmcgrew



See what's new at AOL.com and .

  [quote][b]

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jesse(at)saintaviation.co
Guest

Posted: Tue Sep 25, 2007 7:07 am Post subject: QB Wings: Page 16-2 Step 3

If you use a couple of cleco clamps to hold the skins together, then run a #40 bit first, then #30 and then go up to #19, that should help a lot on the burrs.  The cleco clamps should do a fairly good job of holding the skins together.  Also, if you just put a little bit of pressure and let the bit do the work, the skins will not be separated as much while drilling.  

     

Jesse Saint  

Saint Aviation, Inc.  

jesse(at)saintaviation.com (jesse(at)saintaviation.com)  

www.saintaviation.com  

Cell: 352-427-0285  

Fax: 815-377-3694  

        

  

From: JSMcGrew(at)aol.com [mailto:JSMcGrew(at)aol.com] 

 Sent: Tuesday, September 25, 2007 9:48 AM

 To: rv10-list(at)matronics.com

 Subject: Re: QB Wings: Page 16-2 Step 3  

  

         

Patrick,  

    

   

    

I had the same issue with my QB kit, although, I don't have any suggestions for you. Just do the best you can. It is certainly a good idea to check every step in the plans to make sure it was done and done correctly. I spent probably a week checking/fixing stuff before actually starting work. I found it quite disturbing that they failed to drill the center holes for almost every single nut plate installed in the QB fuse. That makes it pretty hard to drill and properly debur those holes (especially when there are multiple layers of aluminum). Good luck.   

    

   

    

-Jim  

    

40134   

    

   

    

In a message dated 9/25/2007 7:47:50 A.M. Eastern Daylight Time, poneill(at)irealms.com writes:  

   	  Quote: 	
		    

--> RV10-List message posted by: "Patrick ONeill" <poneill(at)irealms.com>

 

 I'm still working through double checking all the QB Wings+Fuse plan steps

 and encountered an issue with one of the uncompleted wing steps.

 

 Page 16-2 Step 3 where you #19 drill the center nut plate holes for the wing

 root fairing attach.  The center holes have not been drilled, so I am

 drilling them.  The problem is that there are 3 layers of aluminum already

 riveted together which must be drilled through: rib, wing walk doubler, and

 top skin.  When drilling out the center hole, I am getting bur/chip

 production between the layers.  

 

 I'm using a #19 jobber bit and going slow, but I am not able to avoid

 separation of the layers due to chips.  It's too tight to use a chip chaser

 without damaging the skins.  I was able to clean out the first two and then

 stopped to research before proceeding.

 

 Was this step completed for any others with QB wings or is this a standard

 task for the builder to complete?

 

 Any suggestions for avoiding the burrs/chips in between the layers while

 drilling?

 

 Best Regards,

 Patrick 40715  	
  

  

    

   

    

Jim "Scooter" McGrew

 http://www.mit.edu/~jsmcgrew  

  



 

         

  

See what's new at AOL.com and .  

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Bill Reining

Joined: 13 Aug 2007
Posts: 13
Location: Oakland, California

Posted: Tue Sep 25, 2007 8:57 am Post subject: Re: QB Wings: Page 16-2 Step 3

Be careful, there is a gotcha here.  One of the nutplates is different, such that the screw hole is on the side, rather than the middle.  The plans are correct.  See Tim Olsen's comments in his gotchas section here: http://www.myrv10.com/tips/gotchas.html

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_________________
Bill (and Jon) Reining
40514

VHMUM(at)bigpond.com
Guest

Posted: Tue Sep 25, 2007 12:35 pm Post subject: QB Wings: Page 16-2 Step 3

Use a step drill to just under 19 and then 19 drill and then it will be 

perfect



Chris

---

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