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  #1  
Old 08-16-2019, 05:42 PM
bobnoffs bobnoffs is offline
 
Join Date: Jul 2012
Location: n. wi
Posts: 806
Default removing pop rivets

i guess i have been doing ok removing rivets by pounding out the mandrel with a small punch. a lot of the success depends on how rigid the material is around the rivet. is there any tool made that would deliver maybe a spring loaded hit on the mandrel? or anything better than the hammer and punch?
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dakota hawk/jab 3300 built and flying. sold 6/18.getting serious about the 12. in the hangar now as of 10/15/19
RV-12 kit as of 9/13
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  #2  
Old 08-16-2019, 06:20 PM
Mike S's Avatar
Mike S Mike S is online now
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,693
Default

Spring loaded automatic center punch.

Harbor Fright has them.

https://www.harborfreight.com/automa...d+center+punch
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Mike Starkey
VAF 909

Rv-10, N210LM.

Flying as of 12/4/2010

Phase 1 done, 2/4/2011

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  #3  
Old 08-16-2019, 06:41 PM
DHeal DHeal is online now
 
Join Date: Sep 2006
Location: Windsor, California
Posts: 952
Default

As Mike said, get a spring-loaded automatic center punch. You should grind down the diameter of the center punch's pointy-part to fit the rivet mandrel hole. In some cases you might want to support the skin material on the backside of the rivet to prevent denting of the surrounding skin -- a wood or metal block with a 3/16" hole for the rivet body works well.

ps -- I like to try to collect the little steel mandrel nibs that pop out of the backside of the rivet to keep them from rattling around -- you will likely not get them all. A magnet on a stick is useful in collecting the little buggers.
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EAA #23982 (circa 1965) - EAA Technical Counselor and Flight Advisor; CFI - A&I
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Last edited by DHeal : 08-16-2019 at 06:47 PM.
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  #4  
Old 08-17-2019, 06:12 AM
bobnoffs bobnoffs is offline
 
Join Date: Jul 2012
Location: n. wi
Posts: 806
Default

great idea. motorcycle ride to h.f. today.
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Bob Noffs
n. wi.
dakota hawk/jab 3300 built and flying. sold 6/18.getting serious about the 12. in the hangar now as of 10/15/19
RV-12 kit as of 9/13
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  #5  
Old 08-17-2019, 09:44 AM
rongawer rongawer is offline
 
Join Date: Dec 2007
Location: Brentwood, CA
Posts: 695
Default

This little fun toy removes pulled rivets in about two seconds with no "oops" required. https://www.aircraft-tool.com/shop/detail.aspx?id=1341S

Not HF cheap, but it's not cheap either... nice product.
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