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Old 11-12-2019, 08:39 PM
JackW794 JackW794 is offline
Join Date: Jul 2019
Location: Borger, Texas
Posts: 13
Default AN426AD3-3.5 Rivet Blind Equivalent

I bought a partially completed RV-6 kit with about 20 AN426AD3-3.5 rivets missing for attaching the rudder skin to the rudder spar. Holes are in place but they haven't been dimpled.

I can't think of any way I could buck the AN rivets since the leading edge skins have been blind riveted in place.

Are there blind rivets that would be ok in place of the AN rivets? Any suggestions about dimpling?
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Old 11-12-2019, 09:21 PM
Girraf Girraf is offline
Join Date: Dec 2017
Location: Southern Maryland
Posts: 134

MK-319BS are the flush blind rivets I have used in place of AN426AD3-3.5.
Empennage complete!
Wings in progress
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Old 11-12-2019, 09:54 PM
az_gila's Avatar
az_gila az_gila is offline
Join Date: Jan 2005
Location: 57AZ - NW Tucson area
Posts: 10,011

Originally Posted by Girraf View Post
MK-319BS are the flush blind rivets I have used in place of AN426AD3-3.5.
The MK-319BS rivets are countersunk and need dimpled holes
Gil Alexander
EAA Technical Counselor, Airframe Mechanic
Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
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Old 11-13-2019, 08:26 AM
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bjdecker bjdecker is offline
Join Date: Jun 2005
Location: Georgetown, TX
Posts: 352
Default Fix it...

Drill out the blind rivets on the leading edge of the rudder.

Dimple the holes on the rudder spar and skin, and use the AN426AD3-3.5 rivets to attach the skin to the spar flange.

Brian Decker
Retired Firmware Guy and Airplane Builder

2020 RV-14 QB -- Under construction - Tailcone & Empennage Complete.
2018 RV-7 QB -- Built, Flying
2007 RV-7 QB -- Built, Drowned, Resurrected and flying
1998 RV-8 QB -- Started, Sold
1986 Mooney 205SE
1980 Mooney 231

Aided and abetted building a number of other RV's.
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