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Old 02-13-2015, 05:15 PM
rvbuilder2002 rvbuilder2002 is offline
Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 7,999

Originally Posted by LettersFromFlyoverCountry View Post
I want to start building an airplane again JUST so i can use old mandrels in a pull rivet.

This is one of those tips that's so obvious, I never thought of it.

Great suggestion.
Bob, you can't use old mandrels. You have to remove them from uninstalled rivets so that they still have the nub on the end.
Any opinions expressed in this message are my own and not necessarily those of my employer.

Scott McDaniels
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")

Last edited by rvbuilder2002 : 02-15-2015 at 11:31 AM. Reason: Typo
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Old 02-14-2015, 10:41 PM
koda2 koda2 is offline
Join Date: Mar 2007
Location: West Texas
Posts: 265
Default good rivet gun

I have used both the pull dimples and a rivet gun. The pulled dimples seem to be a little shallow with my set.

If you use the rivet gun, the technique already described with a female die attached to a large bucking bar or steel tool works best for me. It is very important to have a rivet gun with a true teasing trigger on it. I have an old Chicago Pneumatic gun that does this.

By turning the air pressure down carefully you can get the gun to deliver just one soft "pop". That usually does it. An experienced IA at a repair station showed me how to do it.

It also works for stubborn rivets that should fit but which won't go all the way in and now won't come out. A little tap does it.

Get the best rivet gun you can afford.
Dave A.

Last edited by koda2 : 02-14-2015 at 10:43 PM. Reason: text
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Old 02-15-2015, 10:34 AM
Wicked Stick's Avatar
Wicked Stick Wicked Stick is offline
Join Date: Feb 2005
Location: Marion, MA
Posts: 236

I'd recommend the pulled dies as well.
I've done a few using the rivet gun and the dimple dies and found you can turn the pressure WAY down and after only a few taps with my 3X gun it turned out well, but try the pulled method first.
Dave "WS" Rogers
RV-8 N173DR
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