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  #1  
Old 01-03-2019, 11:50 PM
bkmerrill bkmerrill is offline
 
Join Date: Mar 2013
Location: Houston, TX
Posts: 14
Angry How bad is it? (back riveting oops)

Well, I did it. The thing I said I wouldn't do. I riveted off the edge of my back rivet plate and damaged my rudder skin. SEE PHOTOS HERE.

Will be putting a call into Vans, but hoping someone here can talk me off the cliff. Is this a, "Buy a new skin don't even think about continuing," OR "A little paint filler after completion will take care of that?"

Few positives: 1) It was barely off the plate, so wasn't able to push down to workbench and punch through, 2) I caught it on about the 3rd hit of the rivet gun. I went ahead and dimpled the hole again, and that looks fine along with the stiffener, but wondering about the dent/crease on the outside of the skin. Thoughts?
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  #2  
Old 01-04-2019, 01:27 AM
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nzrv8 nzrv8 is offline
 
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Doesn’t look too bad to me, as long as the crease isn’t too sharp/deep? If the dimpled hole is compromised, you could just add an extra rivet either side and fill before paint, the same as you would treat the inevitable double dimple or smiley. My opinion only
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  #3  
Old 01-04-2019, 01:28 AM
Aero_Octaveus Aero_Octaveus is offline
 
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I don't think that looks bad at all. Honestly do not beat yourself up. Many, many builders have done the same thing and quite frankly in my opinion every RV needs to have one of these somewhere for it to be a real plane . I suspect they will get you to buff out the sharp edges and build on. A little filler and paint makes it disappear.

Call Vans and tell them the web address to see your photos. They always give the best advice.
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  #4  
Old 01-04-2019, 06:14 AM
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maniago maniago is offline
 
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You have nothing to worry about structurally. Do a very slight bit of buffing at the edges and move on; this is nothing to be concerned about. Your ego may be bruised, but your plane isnt.

Build on MacDuff!
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  #5  
Old 01-04-2019, 06:27 AM
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Bruce Bruce is offline
 
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Brandon,
You can also flip your dies in the dimple machine and you can get rid of the drag marks from hole to hole.

Boomer
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  #6  
Old 01-04-2019, 07:20 AM
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BrianDC BrianDC is offline
 
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Default Welcome to the club!

As others have said, eventually all of us make an "oops" like this. Sometimes more spectacular, sometimes less.

It's all part of the building / learning process. Doesn't looks like it's too bad and hopefully you can clean it up and build on. (If you are stressing over it, just order new parts) Just about anything can be fixed one way or another.

(I was worried you had a crack in photo 4, but looks like that was just the lighting for that one photo).
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  #7  
Old 01-04-2019, 07:39 AM
BillL BillL is offline
 
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Quote:
Originally Posted by Aero_Octaveus View Post
I don't think that looks bad at all. Honestly do not beat yourself up. Many, many builders have done the same thing and quite frankly in my opinion every RV needs to have one of these somewhere for it to be a real plane . I suspect they will get you to buff out the sharp edges and build on. A little filler and paint makes it disappear.

Call Vans and tell them the web address to see your photos. They always give the best advice.
+1 I did the same, and have suggested to others to use a magnet to mark the end of the backplate, or make a huge plate so ends are never met.
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  #8  
Old 01-04-2019, 08:49 AM
airtractor8 airtractor8 is offline
 
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Are you guys for real sugar coating this?

Pic 5 clearly shows a crack in the skin at the 270 degree position from the hole unless I'm mistaken?
If you look hard enough it is also visible in pic 1 & 10.
That definitely is a structural problem and will become a bigger one in time if not addressed now.
At the very least it needs to be stop drilled before moving on. ( or the skin replacing if you are building a "show plane")

Filler and paint can hide many mistakes but it does nothing for the structural integrity of the airframe.

Last edited by airtractor8 : 01-04-2019 at 09:07 AM.
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  #9  
Old 01-04-2019, 09:11 AM
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BrianDC BrianDC is offline
 
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Quote:
Originally Posted by airtractor8 View Post
Are you guys for real sugar coating this?

Pic 5 clearly shows a crack in the skin at the 270 degree position from the hole unless I'm mistaken?
If you look hard enough it is also visible in pic 1 & 10.
That definitely is a structural problem and will become a bigger one in time if not addressed now.
At the very least it needs to be stop drilled before moving on. ( or the skin replacing if you are building a "show plane")

Filler and paint can hide many mistakes but it does nothing for the structural integrity of the airframe.
I was thinking there was a crack as well, but can't 100% be sure it wasn't from the light. It looked bad on one picture, but could have just been a reflection. OP will need to verify the dimple isn't cracked.
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  #10  
Old 01-04-2019, 09:19 AM
bkmerrill bkmerrill is offline
 
Join Date: Mar 2013
Location: Houston, TX
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There is not a crack at the hole. What y’all are seeing is tape residue from the rivet tape I was using getting torn/smeared during the oops. I cleaned it off for some of the photos. The only visible damage is the dent/crease on the outside of the skin.

I cannot see the inside of the skin because the stiffener is already in place. I’m considering drilling out the stiffener enough that I can inspect the inside surface of the skin.
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