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Dumb Rivet Question

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rbjjr

Joined: 18 Mar 2007
Posts: 36

Posted: Mon Mar 31, 2008 4:45 pm Post subject: Dumb Rivet Question

All the parts are done and I'm just about ready to rivet the whole rudder together.  In practicing with a couple of rivets on some scrap I noticed that in several cases, once the rivet is pulled, a tiny but sharp piece of steel from the center protrudes a bit.  Is this normal?  Am I pulling it too slowly or something?  I hate to think of hundreds of those sticking out all over the finished product.  I also hate to think of filing them off...



Thanks,



Burke Johnson

CH701

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lrm(at)skyhawg.com
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Posted: Mon Mar 31, 2008 5:59 pm Post subject: Dumb Rivet Question

It happens sometimes.  If it happens a lot, you are either holding your 

riveter crooked or not holding it tight.  It is bouncing and popping away 

from the top.  When it happens to me I use a die grinder and just touch the 

tip.  Take care, LRM www.skyhawg.com

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Kevin Bonds

Joined: 09 Jan 2006
Posts: 171
Location: Nashville, Tn

Posted: Mon Mar 31, 2008 6:08 pm Post subject: Dumb Rivet Question

How thick are the pieces you are working on? This will probably happen more with small grip lengths? This happens to me every once in a while, but not often. Otherwise mess around with your air pressure and make a few tests. The worst thing about what you describe is (even if you file them) if you have to drill out these rivets, for some reason, it is more difficult to get the mandrel to push through. 



Kevin Bonds



 -------------- Original message ----------------------

From: "rbjjr" <burkeandsusan(at)verizon.net>

 	  Quote: 	
		   

 

 All the parts are done and I'm just about ready to rivet the whole rudder 

 together.  In practicing with a couple of rivets on some scrap I noticed that in 

 several cases, once the rivet is pulled, a tiny but sharp piece of steel from

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_________________
KevinBonds
Nashville, TN
Plans-building Zenith CH601XL w/Corvair Power
http://home.comcast.net/~kevinbonds

planecrazydld(at)yahoo.co
Guest

Posted: Tue Apr 01, 2008 2:37 am Post subject: Dumb Rivet Question

if they do remain the best way to remove them is with a 30,000 rpm 90° angle grinder and a 180-220 grit silicon carbide sanding disk. This allows you to gently remove the point (just kiss it lightly) without hitting the rivet head or starting to loosen the pintail from the vibrations generated when you file across a fine point.



I have not had that effect on more than a couple of Avex rivets.



rbjjr <burkeandsusan(at)verizon.net> wrote:[quote] --> Zenith-List message posted by: "rbjjr" 



All the parts are done and I'm just about ready to rivet the whole rudder together.  In practicing with a couple of rivets on some scrap I noticed that in several cases, once the rivet is pulled, a tiny but sharp piece of steel from the center protrudes a bit.  Is this normal?  Am I pulling it too slowly or something?  I ">one month of Blockbuster Total Access, No Cost.  [quote][b]

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