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  #1  
Old 05-19-2023, 11:58 AM
Desert Rat Desert Rat is offline
 
Join Date: Aug 2018
Location: Wichita KS
Posts: 1,351
Default how to shoot this rivet?

How the heck did you guys shoot this rivet? I must have 15 bucking bars including a couple made from tungsten helicopter mast weights that aren't much bigger than my thumb, and I cant figure out how to get any sort of bar on the back side of this thing. I can barely get my finger on it without a bar?

It's common to the skin overlap, longeron, and the strap that ties into the F-704 Vertical member, so I suspect it's kind of an important little fella. I'm going to call vans this afternoon and see if they approve a pull rivet here unless somebody offers up a better solution before then.
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  #2  
Old 05-19-2023, 12:15 PM
Stoo Stoo is offline
 
Join Date: May 2006
Location: LL10, Naperville, IL.
Posts: 121
Default

Put a Cherrymax rivet in there. I had to use several in that area on my 6 due to access problems.
Stewart Willoughby, 6
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  #3  
Old 05-19-2023, 12:23 PM
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scrollF4 scrollF4 is offline
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Default

Quote:
Originally Posted by Stoo View Post
Put a Cherrymax rivet in there. I had to use several in that area on my 6 due to access problems.
Stewart Willoughby, 6
What Stew said. You can fill the center hole with epoxy so it looks fine under paint, then build on!

The Mothership can offer specific cherrymax options, of course.
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  #4  
Old 05-19-2023, 01:19 PM
doug_rv7 doug_rv7 is offline
 
Join Date: May 2005
Location: Lincoln, NE
Posts: 85
Default Back rivet strike plate?

Will the strike plate to your back rivet set fit in there? I used that in some tight fitting places. It took a couple extra bursts with the rivet gun but it worked fine.

Doug
RV-7
Flying!!!
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  #5  
Old 05-19-2023, 01:22 PM
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bjdecker bjdecker is offline
 
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Location: Georgetown, TX
Posts: 1,657
Default

For this rivet, and the rest of them along the side rails, I used a squeezer yoke for the bucking bar.
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  #6  
Old 05-19-2023, 04:17 PM
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wirejock wirejock is online now
 
Join Date: Oct 2005
Location: Estes Park, CO
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Default Home brew bar

No CherryMax in 3/32. You might ask Vans about going up to #4 and using a CherryMax.
I have a variety of home brew bars. I have a thin tungsten that fits almost everywhere. I often taped the heavy tungsten to it for extra mass.
The tight spots were done with a piece of steel thin enough to fit. Even a flat blade screwdriver will work. The heavy tungsten was taped to the steel bar as close to the impact point as possible. It adds the mass. Same problem with rivets near the roll bar if you have a slider.
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  #7  
Old 05-19-2023, 05:51 PM
Taltruda Taltruda is online now
 
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Quote:
Originally Posted by wirejock View Post
No CherryMax in 3/32. You might ask Vans about going up to #4 and using a CherryMax.
I think this would work.. while not a Cherry Max, its a Cherry..

https://www.aircraftspruce.com/catal...erryRivets.php
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  #8  
Old 05-19-2023, 06:31 PM
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wirejock wirejock is online now
 
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Default Cherry

Quote:
Originally Posted by Taltruda View Post
I think this would work.. while not a Cherry Max, its a Cherry..

https://www.aircraftspruce.com/catal...erryRivets.php
Not structural. I have some. They are marginal for holding nutplates. Best ask Vans if it's approved.
A MK-319-BS would be stronger but the grip length probably isn't long enough.
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Builder Blog: http://wirejockrv7a.blogspot.com
Donated 12/2022, plus a little extra.
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  #9  
Old 05-19-2023, 08:14 PM
Tommy123 Tommy123 is offline
 
Join Date: Jul 2018
Location: Naples fl
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Quote:
Originally Posted by wirejock View Post
No CherryMax in 3/32. You might ask Vans about going up to #4 and using a CherryMax.
I have a variety of home brew bars. I have a thin tungsten that fits almost everywhere. I often taped the heavy tungsten to it for extra mass.
The tight spots were done with a piece of steel thin enough to fit. Even a flat blade screwdriver will work. The heavy tungsten was taped to the steel bar as close to the impact point as possible. It adds the mass. Same problem with rivets near the roll bar if you have a slider.
There are no structural 3/32 Cherry Max rivets. 3/32 Cherry is NOT a Max and NOT structural.
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  #10  
Old 05-19-2023, 08:23 PM
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wirejock wirejock is online now
 
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Default CherryMax

Quote:
Originally Posted by Tommy123 View Post
There are no structural 3/32 Cherry Max rivets. 3/32 Cherry is NOT a Max and NOT structural.
Isn't that what I said?
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Donated 12/2022, plus a little extra.
RV-7A #73391, N511RV reserved
Disclaimer
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
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