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  #1  
Old 07-19-2008, 10:05 PM
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danielhv danielhv is offline
 
Join Date: Jul 2007
Location: Mesquite, TX
Posts: 936
Unhappy Another "how do I fix this" post...

Had a little mis-fire with the penumatic squeezer today... put an extra hole in the elevator skin right next to an existing hole... any ideas on a work around to keep from replacing the skin? Its on the main spar right where its going to bend to form the leading edge.



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  #2  
Old 07-19-2008, 10:18 PM
Norman CYYJ Norman CYYJ is offline
 
Join Date: Feb 2005
Location: Victoria B.C.
Posts: 1,265
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Take a light hammer and tap the hole flat. don't over work the metal in the flatting process, just tap it real lightly. When it comes time to paint the plane fill the hole with filler and no one will ever know.
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  #3  
Old 07-19-2008, 10:21 PM
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LifeofReiley LifeofReiley is offline
 
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Location: Round Rock, TX
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Yep... what Norman said, fill it with left over pro-seal down the road and be done.
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  #4  
Old 07-19-2008, 10:26 PM
apatti apatti is offline
 
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Location: Middle Georgia
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Welcome to the "extra hole from pneumatic squeezer" club! I joined several years ago. Thought I was a charter member at the time but later found out that I was a little late for that. The membership is large and growing.
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  #5  
Old 07-19-2008, 10:41 PM
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airguy airguy is offline
 
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Location: Garden City, Tx
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Welcome to Hall of Shame...

I was lucky (I guess??), I ended up FUBAR'ing the spar on my HS which I had already matchdrilled the skin onto, so I ordered a new skin while I was at it and didn't have to worry about fixing mine.

http://websites.expercraft.com/airgu...y&log_id=24664

There will be worse adrenaline moments, and they too shall pass...
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  #6  
Old 07-20-2008, 08:36 AM
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flion flion is offline
 
Join Date: Dec 2007
Location: Flagstaff, AZ
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Quote:
Originally Posted by apatti View Post
Welcome to the "extra hole from pneumatic squeezer" club! I joined several years ago. Thought I was a charter member at the time but later found out that I was a little late for that. The membership is large and growing.
Is that an annex to the "extra hole from the Avery C-Frame" club? Longtime member here.
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  #7  
Old 07-20-2008, 12:05 PM
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morlino morlino is offline
 
Join Date: Mar 2007
Location: Inman, SC
Posts: 158
Default top or bottom?

I've got one on the top of my HS skin, and of course the bottom HS skins turned out beautifully.

You can also flatten it out with flush rivet sets in the same dimpling device that did the damage in the first place. Searching for "dimple 8" or "figure 8 dimple" should pull up some related threads. Reading them will make you feel better, at least it did for me. Everyone seems to have done this at least once.

I almost don't want to mention it for fear of thread-jacking this into another "blue plastic" debate but it seems like match drilling and deburring can trap AL chips under the plastic and then dimpling with the plastic in place smashes the chips into the skin. I take it all off early on, lots of folks use a soldering iron to remove strips along rivet lines. You can ask 5 people and get 5 different answers... I'm really not trying to start another debate but if you haven't already read the blue plastic threads then you probably should. This way you can find out why different people do what they do and you can form (or revise) your own opinion and practices.
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  #8  
Old 07-20-2008, 12:16 PM
Rivethead Rivethead is offline
 
Join Date: Mar 2007
Location: Corvallis Oregon.
Posts: 680
Default Just my TCW

If the repair you end up doing is to flatten and cover later with proseal or something similar at least clean up the edges with a debur and get rid of any sharp corners. That hole looks like a seed for stress cracks later on.
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  #9  
Old 07-20-2008, 01:10 PM
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Mel Mel is offline
 
Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
Default It's cosmetic only.

I believe that would be referred to as a "lightening" hole.
Of course if you fill it, it will be heavier than before, but "no problem, build on!"
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  #10  
Old 07-30-2008, 01:00 PM
BrentHumphreys BrentHumphreys is offline
 
Join Date: Sep 2006
Location: West Plains, MO
Posts: 246
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I just joined the club...

http://brentanderica.net/aviation/my...tra-hole-club/
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