Author: "Merems" <merems@...> Time: Fri Nov 11, 2005 11:09 pm PST Link
Fellow RV-9/7 fuselage builders,
I am just about complete with my riveting of my RV-7 fuselage (upside down). I am having troubles setting the forward most AN426AD4 rivet that joins the side skin, bottom skin, longeron and firewall weldment. I have tried several different bucking bars. Most of them are lighter then I would normally use to set 1/8 rivets, but due to the flanges on the weldment I can't use my larger and heavier bucking bars. I believe most of the energy is going into the structure and not the rivet. I am using a 3X gun and running 50 psi.
Any thoughts?
Paul
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Author: LR Frey <lrogerfrey@...> Time: Sat Nov 12, 2005 1:26 pm PST Link
Yea Paul they are tough to get to. Make sure the sandwich is tight together or the rivets will expand "between" the layers. Try setting the gun to 55, and tape a heavy bar to the little one any way you can and still get the little guy in there. Hope this works for you.
Larry
Fellow RV-9/7 fuselage builders,
I am just about complete with my riveting of my RV-7 fuselage (upside down). I am having troubles setting the forward most AN426AD4 rivet that joins the side skin, bottom skin, longeron and firewall weldment. I have tried several different bucking bars. Most of them are lighter then I would normally use to set 1/8 rivets, but due to the flanges on the weldment I can't use my larger and heavier bucking bars. I believe most of the energy is going into the structure and not the rivet. I am using a 3X gun and running 50 psi.
Any thoughts?
Paul
[Non-text portions of this message have been removed]
Van's Air Force - World Wide Wing
www.vansaircraft.net
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