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  #1  
Old 01-21-2020, 09:43 PM
Cannon Cannon is offline
 
Join Date: Dec 2013
Location: Moorpark, CA
Posts: 175
Default Can this be fixed (belly sheet metal bend)?

I finally got my second-hand RV-8 on a rotisserie, and when we spun it upside down, I could see that the belly skin that becomes the lower wing root fairing was creased.

It looks like the previous builder set the fuselage on some padding and bent the belly skin where it extends past the fuselage sides.

Would something like a wood block and some light taps with a flush rivet set work? It?s on the belly, so I?m not really concerned, but if there?s an easy fix I?m all ears.


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  #2  
Old 01-22-2020, 02:12 AM
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rv8ch rv8ch is offline
 
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Default metal shaping

Quote:
Originally Posted by Cannon View Post
...Would something like a wood block and some light taps with a flush rivet set work? It?s on the belly, so I?m not really concerned, but if there?s an easy fix I?m all ears.
Can't see the photo since I'm at work and they are blocking smugmug, but if you watch a few of this guy's videos you will feel that you can do anything with sheet metal. https://www.lazzemetalshaping.com/
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  #3  
Old 01-22-2020, 07:09 AM
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BobbyLucas BobbyLucas is offline
 
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Location: Belleville, MI
Posts: 347
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Quote:
Originally Posted by rv8ch View Post
Can't see the photo since I'm at work and they are blocking smugmug, but if you watch a few of this guy's videos you will feel that you can do anything with sheet metal. https://www.lazzemetalshaping.com/
Same with 1st Track Dents on YouTube: https://www.youtube.com/channel/UCUy...n64Ppd34qCtAvw

It's absolutely insane what this guy can do with paintless dent removal, both steel and aluminum. I couldn't stop watching his videos. But I'm a dork, so YMMV.

Looks like Lazze has a YouTube channel as well, I'll have to check that out: https://www.youtube.com/user/lazzemetalshaping
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  #4  
Old 01-22-2020, 07:18 AM
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BobbyLucas BobbyLucas is offline
 
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Quote:
Originally Posted by Cannon View Post
Would something like a wood block and some light taps with a flush rivet set work?
Maybe a Nylon peening tool? Might just end up making things worse and work-hardening the thin aluminum in the process though.

https://www.aircraft-tool.com/shop/d...ookieSupport=1
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  • My opinions are JUST my opinions, not facts
  • Regardless of phrasing or colorfulness, my opinion does not imply that any opposing opinions are wrong or ANY less valid than my own
  • Respect people by giving your own opinion without attacking or belittling others
  • Passive-aggressive is not better than overt-aggressive
  • When I fail to meet these standards, please call me out, gently
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  #5  
Old 01-22-2020, 07:58 AM
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Mark Dickens Mark Dickens is offline
 
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It's a little difficult to tell from the photo, but when you interface that area with the wing, some of that may disappear. I wouldn't mess with it right now because I think it's highly likely that you'll work harden the area by messing with it. Plus since it's on the bottom, who will notice?
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  #6  
Old 01-22-2020, 09:31 AM
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JonJay JonJay is offline
 
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Have the wings and flaps ever been on ?
Can?t tell from the pic but the flap to fuselage interface sometimes doesn?t match up. This is the area the folks bend up or down to close that gap over the flap push rod hole.
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  #7  
Old 01-22-2020, 10:17 AM
David Paule David Paule is offline
 
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Go to a good auto body shop and hire their best sheet metal guy for some after-hours work. It's remarkable what they can do.

Dave
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  #8  
Old 01-22-2020, 10:54 AM
Cannon Cannon is offline
 
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Quote:
Originally Posted by Mark Dickens View Post
Plus since it's on the bottom, who will notice?
Agreed - that?s the way I?m leaning at the moment.

Chris
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  #9  
Old 01-22-2020, 10:56 AM
Cannon Cannon is offline
 
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Location: Moorpark, CA
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Quote:
Originally Posted by JonJay View Post
Have the wings and flaps ever been on ?
Can?t tell from the pic but the flap to fuselage interface sometimes doesn?t match up. This is the area the folks bend up or down to close that gap over the flap push rod hole.
Wings have never been on.
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  #10  
Old 01-22-2020, 10:58 AM
Cannon Cannon is offline
 
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Quote:
Originally Posted by David Paule View Post
Go to a good auto body shop and hire their best sheet metal guy for some after-hours work. It's remarkable what they can do.

Dave
Thanks, David. Hadn?t thought of that. Do any of those guys work with aluminum? I?m assuming it works differently to steel.
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