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Hole tolerances for my poor drilling??

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Andrewlieser

Joined: 15 Mar 2008
Posts: 43
Location: Chicagoland

Posted: Sat Apr 12, 2008 8:45 pm Post subject: Hole tolerances for my poor drilling??

Hey everyone yesterday I was drilling the holes out between the doubler angle and the rudder spar.  Long story short one of my clamps slipped by a fraction and caused some of my holes 2 of my holes to be 2 mm off or enlongated by the same amount.  Will the rivet still seat right in these holes or is it time to scrap those pieces?



Thanks,

Andrew

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Andrew Lieser
S/N 6-7045
http://websites.expercraft.com/andrewlieser

countzero

Joined: 25 Oct 2007
Posts: 25

Posted: Sun Apr 13, 2008 1:06 am Post subject: Re: Hole tolerances for my poor drilling??

Andrew, a new doubler will only cost you $15. If you are drilling pilot holes you may be able to take out the misalignment when you open them up to full size, or even dill out for the next size up if that doesn't clear it out.

Rob

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psm(at)att.net
Guest

Posted: Sun Apr 13, 2008 1:36 am Post subject: Hole tolerances for my poor drilling??

At 09:46 PM 4/12/2008, you wrote:

 	  Quote: 	
		  of my holes to be 2 mm off or enlongated by the same amount.  Will 

the rivet still seat right in these holes or is it time to scrap those pieces?


	


Hi Andrew,



All is not lost.  You can drill out the holes, with proper alignment, 

to a larger size and use a larger rivet.  Another solution is to add 

new rivets with sufficient edge spacing on each side of the bad holes 

and rivet the two new holes or all three.



Welcome to the club.



Paul

XL fuselage

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ifly4fun2(at)sbcglobal.ne
Guest

Posted: Sun Apr 13, 2008 8:16 pm Post subject: Hole tolerances for my poor drilling??

Andrew,

Can you up size the rivets to AN5's?



do not archive

Art

--- Andrewlieser <Andrewlieser(at)gmail.com> wrote:



 	  Quote: 	
		   

 

 Hey everyone yesterday I was drilling the holes out between the doubler angle and the rudder

 spar.  Long story short one of my clamps slipped by a fraction and caused some of my holes 2 of

 my holes to be 2 mm off or enlongated by the same amount.  Will the rivet still seat right in

 these holes or is it time to scrap those pieces?

 

 Thanks,

 Andrew

 

 --------

 Andrew Lieser

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=176499#176499

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Andrewlieser

Joined: 15 Mar 2008
Posts: 43
Location: Chicagoland

Posted: Mon Apr 14, 2008 6:45 am Post subject: Re: Hole tolerances for my poor drilling??

I think I am going to order some of the larger rivets to see if they will fit first.  How much area will  they cover once they've been pulled?  If I'm not comfortable with the fit after that I will probably add rivets to each side of the mis drilled holes.  I could always just reorder the parts but I'm trying to learn as I go and trying these things will probably help most in the long run anyway!  The rest of the holes were all drilled very well on both the ribs  and the spar so hopefully one of these suggestions works!  I appreciate eveyones suggestion I'm having a lot of fun with this!

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_________________
Andrew Lieser
S/N 6-7045
http://websites.expercraft.com/andrewlieser

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